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Allergy Testing and Immunotherapy in Los Angeles, California

In Los Angeles, California, allergens like ragweed, dust mites, and mold are common. Allergy immunotherapy can help build resistance against these allergens, providing relief from allergy symptoms and improving quality of life.
Start with a free quiz

Curex does not treat this allergen

Coumarin Allergy: Signs, Diagnosis & Treatment

Learn to manage Coumarin allergy with key symptom insights, Curex-based diagnosis, treatment tips, and dietary advice to avoid triggers.
Start with a free quiz
#1 Online
Allergy Clinic
curex user showing allergy treatment kita patient showing allergy treatment boxa male patient showing allergy drops vial
50,000+
users

Reviewed by Curex clinical team

Dr. Chet Tharpe, M.D..

Updated May 3, 2025

Key Symptoms of Coumarin Allergy

Skin reactions

 

Coumarin allergy may result in skin reactions such as itchiness, redness, swelling, blisters, and hives. These reactions can occur at the site of contact or spread to other parts of the body.

Respiratory symptoms

 

Coumarin allergy might trigger allergic reactions that affect the respiratory system. Symptoms could include wheezing, coughing, shortness of breath, and chest tightness. In severe cases, it could lead to an asthmatic attack.

Anaphylaxis

 

This is a severe, life-threatening allergic reaction that could occur in rare cases. Symptoms include difficulty breathing, rapid heartbeat, nausea, vomiting, dizziness, and fainting. Anaphylaxis is a medical emergency.

Gastrointestinal symptoms

 

People with coumarin allergy might experience gastrointestinal symptoms like nausea, vomiting, diarrhea, or abdominal pain. These symptoms can result from ingesting products containing coumarin, such as certain types of food or medicine.

Sore throat and mouth

 

Oral exposure to coumarin might cause symptoms like a sore mouth, tingling or swelling of the tongue, lips or throat—commonly associated with Oral Allergy Syndrome.

Swelling of eyes, face, or lips

 

Swelling of the eyes, face, or lips, also known as angioedema, is another possible symptom of a coumarin allergy. This could occur upon contact or ingestion of products containing coumarin.

Recognize your symptoms?

Take a Quiz
woman laying on a field of grass smiling

How to Recognize if You're Allergic to Coumarin

To recognize if you have a Coumarin allergy, you need to understand the symptoms associated with allergies to this compound, often found in certain fragrances and flavorings. Then it can be helpful to evaluate your exposure to Coumarin. Here's how you can proceed:

 

Recognize Common Allergy Symptoms

 

  • Skin reactions or rashes: Your skin may develop redness, rashes or hives upon exposure to products containing Coumarin.
  • Breathing difficulties: Shortness of breath, a tightness in the chest, wheezing or other breathing complications can be indicative of this allergy.
  • Swelling: Some people allergic to Coumarin may experience swelling of the skin, lips, tongue, or throat.
  • Anaphylaxis: In rare cases, exposure to Coumarin could lead to a severe, life-threatening allergic reaction known as anaphylaxis.

 

Identify Exposure to Coumarin

 

  • Assess your products: Check ingredients lists for products you use regularly. These may be skin creams, perfumes, food, or spices. Coumarin is often found in synthetic vanilla, lavender oil, and certain types of cinnamon.
  • Note any patterns: If your allergic symptoms usually appear after using a certain product or eating certain food, it could indicate a possible Coumarin allergy.
  • Seek professional advice: If you believe you are experiencing reactions to Coumarin, consult an allergist. They can conduct tests to confirm if you have a Coumarin allergy.

 

Note: The aforementioned information should not be used as a substitute for professional medical advice. If you suspect you have an allergy, it's best to consult with a health care professional.

Clinical Support

Our team is here to help!

Dr. Neeta Ogden, MD

Curex is poised to revolutionize the way allergies are treated in America, expanding access to clinical care and treatments that can meaningfully improve patients quality of life.

Dr. Ravi Patel, VP Telemedicine

At Curex, our mission is to help people improve their health and quality of life by understanding their allergies and treating them at their source.We provide more than individualized prescription treatments; we provide individualized care.

Jill Hamburg, PA - C

Immunotherapy made simple.  We enable patients to receive personalized allergy care on their own time. No more waiting rooms.

Dr. Chet Tharpe, Medical Director

Curex has set the standard for the virtual allergy experience. From the comfort of their home, patients nationwide are able to receive a personalized treatment plan from an experienced clinician, aimed at treating the source of their allergies, not just the symptoms.

Kayla Mardaga, NP

Curex offers convenient at-home allergy testing options. Our goal is to determine if a patient would benefit from immunotherapy and then customize a treatment plan that can reduce both the symptoms and the reliance on allergy medications.

Happy Customers

We love helping people!

Allie, Nevada

five stars

"I have two cats I can finally cuddle!"
‍

Cat and dog allergies

Zachary, Texas

five stars

“I can breathe through my nose for the first time in like 20 years!"

dust allergy
mold allergy

Dust and mold allergies

Erika, New York

five stars

“I've noticed less sneezing and shortness of breath.”

tree allergy
grass allergy

Tree and grass allergies

Richard, Texas

five stars


I love the convenience!
‍

tree allergy

Tree and cat allergies

curex user showing allergy treatment kita patient showing allergy treatment boxa male patient showing allergy drops vial
50,000+ users have overcome their allergies
Am I eligible?

When Coumarin Grows and Its Impacts

Coumarin is not a plant or an allergen that grows. Instead, it's a chemical compound found naturally in many plants, including common plants such as strawberries and apricots, and used in various products like perfumes, flavorings, and certain medications. The presence and concentration of coumarin in these plants can vary throughout the year, depending on the plant type and its growing conditions.

Where Coumarin Grows Across the USA?

Locations of Coumarin Sources in the USA

 

Coumarin is not an allergen in the conventional sense as it doesn't grow, but is a chemical compound found in various plants. In the USA, plants that contain coumarin grow in various regions across the country. Here are some primary sources:

 

Tonka Beans


 

  • This plant, native to Central and South America, can be found in Florida and other southern states.

 

Sweet Grass


 

  • Also known as Hierochloe odorata, this plant which contains coumarin, is widespread across North America, particularly in the northern states and along the Pacific coast.

 

Woodruff


 

  • Woodruff (Galium odoratum), a plant that contains coumarin, is often found growing in the Northeast and Midwest regions of the USA.

 

These plants with coumarin content can be found in various environments including woodlands, meadows, and even residential areas.

 

Don't wait until next season. Start now and enjoy a life free from allergies!

Am I eligible?

Diagnostic of Coumarin Allergy

At-Home Automatic Test Kit

Receive a painless automatic blood collector at-home. Takes less than 5 minutes. Ship it back when done

In-Lab Test

Take your test at a local lab location. (often available same day)
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Concierge At-Home Test

A medical professional comes to your home or office for a quick blood draw.(schedule 5-7 days in advance)

Tips for Avoiding Coumarin Allergy

‍

Avoid Sources of Coumarin

 

One of the primary ways to avoid a Coumarin allergy is by avoiding the ingestion or application of substances known to contain Coumarin. These sources commonly include certain types of cinnamon, tonka beans, lavender oil, and woodruff. Being aware of these sources and consciously avoiding them is crucial for individuals with a diagnosed Coumarin allergy.

Read Product Labels Carefully

 

Coumarin can be found in a variety of over-the-counter products such as cosmetics, skin care products, and even certain foods and beverages. Always read the product labels carefully, paying attention to the ingredients list, before purchasing and using the product.

Consult Healthcare Professionals

 

Regular consultations with healthcare professionals, including doctors and pharmacists, are essential to ensure that you are not inadvertently exposed to Coumarin. They can provide valuable guidance on safe product alternatives and also administer tests, if necessary, to determine your allergy's seriousness.

Carry an Emergency Plan

 

If you are diagnosed with a Coumarin allergy, always carry an emergency plan that includes steps to take in case of accidental exposure, medications to use, and emergency contact numbers. Inform your loved ones and close friends about your allergy so that they can help during a potential allergic reaction.

Ready to forget about allergy hassles? Try immunotherapy!

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PREVENTION+
Prevents allergies long term
At-home treatment saves time
Treatment taken daily under the tongue
Evaluation & allergy test at home
Talk or text with your clinician, as needed
$49/month (copays may apply)
ALLERGY SHOTS
Prevents allergies long term
Commute to clinic every week
Treatment injected weekly by syringe
Evaluation and testing in the clinic
Clinical visits require scheduling
Surprise insurance bills and high copays

Diet to Ease Coumarin Allergy Symptoms

If you have an allergy to Coumarin, your diet should be rich in anti-inflammatory and allergy fighting foods that help to strengthen your immune system. Below are some types of foods that can help alleviate the symptoms of an allergy to Coumarin.

 

Eat High Fiber Foods

 

  • Whole grains, fruits and vegetables: These are high in fiber which promotes gut health. A healthy gut can help manage allergies by enhancing your immune system.
  • Legumes: Another high-fiber food option that can also aid in reducing inflammation.

 

Incorporate Omega-3 Fatty Acids

 

  • Fish: Especially fatty fish like salmon, mackerel or trout, these foods are high in Omega-3 which helps reduce inflammation linked to allergy symptoms.
  • Chia seeds and Flaxseeds: These are vegetarian sources of Omega-3 fatty acids beneficial for those with allergies.

 

Include Probiotic-Rich Foods

 

  • Yogurt: It contains probiotics, which can aid in maintaining gut health and boost your immune system.
  • Fermented foods: Foods like sauerkraut, kimchi, and kefir also contain probiotics aiding in digestion and boosting immunity, therefore helping to manage allergies.

 

Eat Colorful Fruits and Vegetables

 

  • Berries, oranges and kiwis: They are loaded with Vitamin C, an antioxidant that can reduce symptoms of allergy.
  • Leafy greens: They are packed with Vitamin A, another antioxidant that can aid in allergy reduction.

 

Remember, everyone's body responds differently to different types of food. What works for one person might not work for another. Always consult with a dietician or a healthcare provider to plan a diet specific to your needs and allergies.

What Food Worsens Coumarin Allergy

If you’re allergic to coumarin, you need to steer clear of food items that contain this compound. Coumarin is found in certain aromatic substances, like tonka beans and cinnamon, particularly cassia cinnamon which has higher levels compared to Ceylon cinnamon.

 

Be cautious with the following foods:

 

  • Cassia Cinnamon: This type of cinnamon contains a significant level of coumarin, thus people with coumarin allergy should prefer Ceylon ("true") cinnamon.
  • Tonka Beans: Tonka beans have a high concentration of coumarin. In fact, they are likely to have the highest concentration of all food sources. Avoid these beans as well as any food items or extracts containing them.
  • Certain Berries: Some types of berries, like bilberries, may contain coumarin. Make sure to double-check the type of berries you consume.
  • Alcoholic Beverages: Drink such as beer, fortified wine, or botanical spirits may contain coumarin, depending on their ingredients and the method of preparation.

 

While a well-balanced diet is essential, it is just as important for someone with a coumarin allergy to avoid certain foods that can exacerbate their allergic reactions.

 

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Review your allergy test results with a Curex allergist.

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Allergy FAQ

‍

What products often contain Coumarin?

 

Products Containing Coumarin

 

  • **Fragrances and Perfumes:** Coumarin is widely used in cosmetic products, including perfumes and scented toiletries.

    •  

  • **Flavorings:** It can be found in some food flavorings, particularly vanilla substitutes and cinnamon flavorings.

    •  

  • **Tobacco Products:** Coumarin is sometimes used to enhance the flavor of certain tobacco products.

    •  

  • **Household Products:** It may be present in various air fresheners, scented candles, and cleaning products.

    •  

 

How does Coumarin affect allergies compared to other allergens?

 

Coumarin's Impact on Allergies

 

  • Coumarin is not a typical allergen like pollen or food proteins. It can irritate the skin and provoke a reaction in sensitive individuals.

    •  

  • Unlike common allergens, Coumarin usually causes a contact reaction rather than an immune system-triggered allergy.

    •  

  • Ensuring minimal exposure to Coumarin can help manage irritations, especially in skincare products or fragrances.

 

Can cross-reactivity occur with other substances when allergic to Coumarin?

 

Cross-Reactivity with Coumarin

 

  • Coumarin is a naturally occurring compound found in various plants. While direct allergies to coumarin are rare, some individuals might be sensitive to related compounds.

    •  

  • Cross-reactivity can occur with other compounds within the benzopyrone family, such as some synthetic derivatives used in perfumes and flavored substances.

    •  

  • It's essential to monitor reactions to similar compounds, especially in personal care products and foods that might contain synthetic fragrances or flavors.

 

Have questions left?

‍

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Treatment prescribed
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Clinicaly made allergen extracts are customized for your allergies

2
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Your immune system gets desensitized to allergens, giving you long-term relief.

3
At-home Immunotherapy

Benefits of Curex

At-home treatment

Apply treatments in minutes from the comfort of your own home with under-the-tongue applications instead of shots or pills

5-30x higher cumulative dose vs allergy shots

Sublingual immunotherapy delivers a higher dose of allergens over the course of treatment.

Potential for results in as few as 6 months

Individual results vary but some users have reported a noticeable difference in as few as 6-12 months since starting treatments

Excellent safety profile

Studies that have been reviewed by certified physicians show that sublingual immunotherapy is a safe treatment option

FAQs

Is Curex legitimate?
Does Curex accept insurance?
What conditions do you treat?
Does Curex treat food allergies?
Can my child use Curex?
What is your cancellation policy?
What are the ingredients?
How does allergy testing work?
Is sublingual immunotherapy safe?

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FALL SALE

Get started with the most affordable immunotherapy for only $49  $9.99 
Discount applied at checkout.

Allergy Testing and Immunotherapy in Los Angeles, California

In Los Angeles, California, allergens like ragweed, dust mites, and mold are common. Allergy immunotherapy can help build resistance against these allergens, providing relief from allergy symptoms and improving quality of life.
Start with a free quiz

Coumarin

Learn to manage Coumarin allergy with key symptom insights, Curex-based diagnosis, treatment tips, and dietary advice to avoid triggers.

Start with a free quiz
#1 Online
Allergy Clinic
curex user showing allergy treatment kita patient showing allergy treatment boxa male patient showing allergy drops vial
50,000+
users

Reviewed by Curex clinical team

Dr. Chet Tharpe, M.D..

Updated July 9, 2025

Where Coumarin Grows Across the USA?

gr.

Carbohydrates

What Food Worsens Coumarin Allergy

gr.

Sugar

Diet to Ease Coumarin Allergy Symptoms

gr.

Fats

Tips for Avoiding Coumarin Allergy

gr.

Proteins

How to Recognize if You're Allergic to Coumarin

Calories

Diagnostic of Coumarin Allergy

Skin reactions

 

Coumarin allergy may result in skin reactions such as itchiness, redness, swelling, blisters, and hives. These reactions can occur at the site of contact or spread to other parts of the body.

Respiratory symptoms

 

Coumarin allergy might trigger allergic reactions that affect the respiratory system. Symptoms could include wheezing, coughing, shortness of breath, and chest tightness. In severe cases, it could lead to an asthmatic attack.

Anaphylaxis

 

This is a severe, life-threatening allergic reaction that could occur in rare cases. Symptoms include difficulty breathing, rapid heartbeat, nausea, vomiting, dizziness, and fainting. Anaphylaxis is a medical emergency.

Gastrointestinal symptoms

 

People with coumarin allergy might experience gastrointestinal symptoms like nausea, vomiting, diarrhea, or abdominal pain. These symptoms can result from ingesting products containing coumarin, such as certain types of food or medicine.

Sore throat and mouth

 

Oral exposure to coumarin might cause symptoms like a sore mouth, tingling or swelling of the tongue, lips or throat—commonly associated with Oral Allergy Syndrome.

Swelling of eyes, face, or lips

 

Swelling of the eyes, face, or lips, also known as angioedema, is another possible symptom of a coumarin allergy. This could occur upon contact or ingestion of products containing coumarin.

Recognize your symptoms?

Take a Quiz
woman laying on a field of grass smiling

When Coumarin Grows and Its Impacts

Coumarin is not a plant or an allergen that grows. Instead, it's a chemical compound found naturally in many plants, including common plants such as strawberries and apricots, and used in various products like perfumes, flavorings, and certain medications. The presence and concentration of coumarin in these plants can vary throughout the year, depending on the plant type and its growing conditions.

Clinical Support

Our team is here to help!

Dr. Neeta Ogden, MD

Curex is poised to revolutionize the way allergies are treated in America, expanding access to clinical care and treatments that can meaningfully improve patients quality of life.

Dr. Ravi Patel, VP Telemedicine

At Curex, our mission is to help people improve their health and quality of life by understanding their allergies and treating them at their source.We provide more than individualized prescription treatments; we provide individualized care.

Jill Hamburg, PA - C

Immunotherapy made simple.  We enable patients to receive personalized allergy care on their own time. No more waiting rooms.

Dr. Chet Tharpe, Medical Director

Curex has set the standard for the virtual allergy experience. From the comfort of their home, patients nationwide are able to receive a personalized treatment plan from an experienced clinician, aimed at treating the source of their allergies, not just the symptoms.

Kayla Mardaga, NP

Curex offers convenient at-home allergy testing options. Our goal is to determine if a patient would benefit from immunotherapy and then customize a treatment plan that can reduce both the symptoms and the reliance on allergy medications.

Happy Customers

We love helping people!

Allie, Nevada

five stars

"I have two cats I can finally cuddle!"
‍

Cat and dog allergies

Zachary, Texas

five stars

“I can breathe through my nose for the first time in like 20 years!"

dust allergy
mold allergy

Dust and mold allergies

Erika, New York

five stars

“I've noticed less sneezing and shortness of breath.”

tree allergy
grass allergy

Tree and grass allergies

Richard, Texas

five stars


I love the convenience!
‍

tree allergy

Tree and cat allergies

curex user showing allergy treatment kita patient showing allergy treatment boxa male patient showing allergy drops vial
50,000+ users have overcome their allergies
Am I eligible?

Key Symptoms of Coumarin Allergy

Don't wait until next season. Start now and enjoy a life free from allergies!

Am I eligible?

Diagnostic of Coumarin Allergy

At-Home Automatic Test Kit

Receive a painless automatic blood collector at-home. Takes less than 5 minutes. Ship it back when done

In-Lab Test

Take your test at a local lab location. (often available same day)
nurse coming for in-home visit

Concierge At-Home Test

A medical professional comes to your home or office for a quick blood draw.(schedule 5-7 days in advance)
PREVENTION+
Prevents allergies long term
At-home treatment saves time
Treatment taken daily under the tongue
Evaluation & allergy test at home
Talk or text with your clinician, as needed
$49/month (copays may apply)
ALLERGY SHOTS
Prevents allergies long term
Commute to clinic every week
Treatment injected weekly by syringe
Evaluation and testing in the clinic
Clinical visits require scheduling
Surprise insurance bills and high copays

Get Your Long-Term Relief Now - $49

Review your allergy test results with a Curex allergist.

Get Started
male medical practitioner smiling

Treatment prescribed
by clinician

1
right line icon
Curex packaging

Clinicaly made allergen extracts are customized for your allergies

2
right line icon
insect icon
grass icon
man opening Curex packaging

Your immune system gets desensitized to allergens, giving you long-term relief.

3
At-home Immunotherapy

Benefits of Curex

At-home treatment

Apply treatments in minutes from the comfort of your own home with under-the-tongue applications instead of shots or pills

5-30x higher cumulative dose vs allergy shots

Sublingual immunotherapy delivers a higher dose of allergens over the course of treatment.

Potential for results in as few as 6 months

Individual results vary but some users have reported a noticeable difference in as few as 6-12 months since starting treatments

Excellent safety profile

Studies that have been reviewed by certified physicians show that sublingual immunotherapy is a safe treatment option

FAQs

Is Curex legitimate?
Does Curex accept insurance?
What conditions do you treat?
Does Curex treat food allergies?
Can my child use Curex?
What is your cancellation policy?
What are the ingredients?
How does allergy testing work?
What products often contain Coumarin?
How does Coumarin affect allergies compared to other allergens?
Can cross-reactivity occur with other substances when allergic to Coumarin?
Coumarin FAQ

Explore More Allergens & Symptoms Articles

Tomato Allergy: Symptoms, Tips to avoid, Diet

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Tussock Grass Allergy: Signs, Diagnosis & Remedies

Read Article

FALL SALE

Get started with the most affordable immunotherapy for only $49  $9.99 
Discount applied at checkout.

Allergy Testing and Immunotherapy in Los Angeles, California

In Los Angeles, California, allergens like ragweed, dust mites, and mold are common. Allergy immunotherapy can help build resistance against these allergens, providing relief from allergy symptoms and improving quality of life.
Start with a free quiz

Coumarin

Learn to manage Coumarin allergy with key symptom insights, Curex-based diagnosis, treatment tips, and dietary advice to avoid triggers.

Start with a free quiz
#1 Online
Allergy Clinic
curex user showing allergy treatment kita patient showing allergy treatment boxa male patient showing allergy drops vial
50,000+
users

Reviewed by Curex clinical team

Dr. Chet Tharpe, M.D..

Updated July 9, 2025

Curex product lineup

Coumarin

Respiratory symptoms

 

Coumarin allergy might trigger allergic reactions that affect the respiratory system. Symptoms could include wheezing, coughing, shortness of breath, and chest tightness. In severe cases, it could lead to an asthmatic attack.

When Coumarin Grows and Its Impacts

Coumarin is not a plant or an allergen that grows. Instead, it's a chemical compound found naturally in many plants, including common plants such as strawberries and apricots, and used in various products like perfumes, flavorings, and certain medications. The presence and concentration of coumarin in these plants can vary throughout the year, depending on the plant type and its growing conditions.

Key Symptoms of Coumarin Allergy

Skin reactions

 

Coumarin allergy may result in skin reactions such as itchiness, redness, swelling, blisters, and hives. These reactions can occur at the site of contact or spread to other parts of the body.

Clinical Support

Our team is here to help!

Dr. Neeta Ogden, MD

Curex is poised to revolutionize the way allergies are treated in America, expanding access to clinical care and treatments that can meaningfully improve patients quality of life.

Dr. Ravi Patel, VP Telemedicine

At Curex, our mission is to help people improve their health and quality of life by understanding their allergies and treating them at their source.We provide more than individualized prescription treatments; we provide individualized care.

Jill Hamburg, PA - C

Immunotherapy made simple.  We enable patients to receive personalized allergy care on their own time. No more waiting rooms.

Dr. Chet Tharpe, Medical Director

Curex has set the standard for the virtual allergy experience. From the comfort of their home, patients nationwide are able to receive a personalized treatment plan from an experienced clinician, aimed at treating the source of their allergies, not just the symptoms.

Kayla Mardaga, NP

Curex offers convenient at-home allergy testing options. Our goal is to determine if a patient would benefit from immunotherapy and then customize a treatment plan that can reduce both the symptoms and the reliance on allergy medications.

Happy Customers

We love helping people!

Allie, Nevada

five stars

"I have two cats I can finally cuddle!"
‍

Cat and dog allergies

Zachary, Texas

five stars

“I can breathe through my nose for the first time in like 20 years!"

dust allergy
mold allergy

Dust and mold allergies

Erika, New York

five stars

“I've noticed less sneezing and shortness of breath.”

tree allergy
grass allergy

Tree and grass allergies

Richard, Texas

five stars


I love the convenience!
‍

tree allergy

Tree and cat allergies

curex user showing allergy treatment kita patient showing allergy treatment boxa male patient showing allergy drops vial
50,000+ users have overcome their allergies
Am I eligible?

Don't wait until next season. Start now and enjoy a life free from allergies!

Am I eligible?

Diagnostic of Coumarin Allergy

At-Home Automatic Test Kit

Receive a painless automatic blood collector at-home. Takes less than 5 minutes. Ship it back when done

In-Lab Test

Take your test at a local lab location. (often available same day)
nurse coming for in-home visit

Concierge At-Home Test

A medical professional comes to your home or office for a quick blood draw.(schedule 5-7 days in advance)
PREVENTION+
Prevents allergies long term
At-home treatment saves time
Treatment taken daily under the tongue
Evaluation & allergy test at home
Talk or text with your clinician, as needed
$49/month (copays may apply)
ALLERGY SHOTS
Prevents allergies long term
Commute to clinic every week
Treatment injected weekly by syringe
Evaluation and testing in the clinic
Clinical visits require scheduling
Surprise insurance bills and high copays

Get Your Long-Term Relief Now - $49

Review your allergy test results with a Curex allergist.

Get Started
male medical practitioner smiling

Treatment prescribed
by clinician

1
right line icon
Curex packaging

Clinicaly made allergen extracts are customized for your allergies

2
right line icon
insect icon
grass icon
man opening Curex packaging

Your immune system gets desensitized to allergens, giving you long-term relief.

3
At-home Immunotherapy

Benefits of Curex

At-home treatment

Apply treatments in minutes from the comfort of your own home with under-the-tongue applications instead of shots or pills

5-30x higher cumulative dose vs allergy shots

Sublingual immunotherapy delivers a higher dose of allergens over the course of treatment.

Potential for results in as few as 6 months

Individual results vary but some users have reported a noticeable difference in as few as 6-12 months since starting treatments

Excellent safety profile

Studies that have been reviewed by certified physicians show that sublingual immunotherapy is a safe treatment option

FAQs

Is Curex legitimate?
Does Curex accept insurance?
What conditions do you treat?
Does Curex treat food allergies?
Can my child use Curex?
What is your cancellation policy?
What are the ingredients?
How does allergy testing work?
What products often contain Coumarin?
How does Coumarin affect allergies compared to other allergens?
Can cross-reactivity occur with other substances when allergic to Coumarin?
Coumarin FAQ

Explore More Allergens & Symptoms Articles

Tomato Allergy: Symptoms, Tips to avoid, Diet

Read Article

MSG Allergy: Symptoms, Diagnosis & Treatment

Read Article

Polyvinyl Chloride Allergy: Signs and Treatment

Read Article

Nickel Allergy: How to Spot, Treat & Avoid It

Read Article

Laxative Allergy: Symptoms, Diagnosis & Treatment

Read Article

Lycra Allergy: Signs, Diagnosis & Treatment

Read Article

Needle Grass Allergy: Symptoms & Treatment

Read Article

Tussock Grass Allergy: Signs, Diagnosis & Remedies

Read Article
Pills vs Shots vs Drops

Coumarin

Coumarin is not a plant or an allergen that grows. Instead, it's a chemical compound found naturally in many plants, including common plants such as strawberries and apricots, and used in various products like perfumes, flavorings, and certain medications. The presence and concentration of coumarin in these plants can vary throughout the year, depending on the plant type and its growing conditions.

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It’s a physician-prescribed, custom-compounded formula designed to target all your nasal symptoms at once — congestion, runny nose, post-nasal drip, sneezing, and more.

Formulated by doctors and pharmacologists and backed by clinical research, Quickie combines five powerful ingredients into one easy spray.

Typical prescription may include the following ingredients: Azelastine HCL 0.15%, Mometasone Furoate 0.05%, Oxymetazoline HCL 0.0125%, Ipratroprium 0.06%, Sodium Hyaluronate 0.04%.

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Why Quickie Works

Straight to the source. That’s Curex

Targets every major nasal symptom in one spray
Personalized to your symptoms by a licensed medical provider
Backed by real-world studies and physician experience
Compounded by a specialty allergy pharmacy for quality and safety

Quickie is a compounded prescription medication, prepared by a licensed pharmacy.  It is not reviewed or approved by the FDA. It is prepared based on your provider’s evaluation of your symptoms and needs. Individual results may vary.

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curex patient showing allergy treatment kit with her dog next to her

Lauren S.

No longer having to go the doctor's office a few times a week for painful shots.

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Tony P.

I have done allergy shots in the past but found it pretty inconvenient to go every week. I really like the ease as compared with physically going to the doctors office.

Reviewed on

curex user showing allergy drops vial while smiling

Robert S.

The treatment is much less expensive than a course of allergy shots at a doctor's office and eliminates numerous trips to the doctor's and all the waiting time.

Reviewed on

Janie L.

My seasonal allergies were much less severe than years prior. Most importantly, the convenience of taking drops in my own home is unbeatable.

Reviewed on

curex user holding curex allergy treatment kit

Lauren S.

No longer having to go the doctor's office a few times a week for painful shots.

Reviewed on

Tony P.

I have done allergy shots in the past but found it pretty inconvenient to go every week. I really like the ease as compared with physically going to the doctors office.

Reviewed on

Robert S.

The treatment is much less expensive than a course of allergy shots at a doctor's office and eliminates numerous trips to the doctor's and all the waiting time.

Reviewed on

Janie L.

My seasonal allergies were much less severe than years prior. Most importantly, the convenience of taking drops in my own home is unbeatable.

Reviewed on

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FAQ

How fast does the Quickie Nasal Spray work?

Most patients feel relief within 15 minutes. We have both short-term relief ingredients as well as longer-term relief to keep you feeling better, longer. Some say it’s like turning off their allergies.

What symptoms does the Nasal Spray treat?

Sneezing runny nose, nasal congestion, post-nasal drip, sinus pressure, itchy nose. Great for outdoor allergies, indoor dust, or when pollen spikes unexpectedly.

Will it cause rebound congestion like Afrin?

No, this formula uses a microdose of oxymetazoline, balanced with anti-inflammatory and moisturizing ingredients to reduce the risk of rebound congestion. Clinical studies over the last decade show that when oxymetazoline is combined with a corticosteroid, it can be used safely over the long term without causing rebound symptoms.

What’s the difference between this and over-the-counter sprays?

Quickie Spray combines up to five prescription-strength ingredients into a single, personalized formula — targeting multiple symptoms like congestion, post-nasal drip, and inflammation. OTC sprays typically address just one symptom and lack the synergy of a customized blend.

Does it have a bad taste or drip down the throat?

Some ingredients like azelastine may cause a slight taste, but many patients find it milder than traditional OTC sprays. Proper spray technique (head forward, not tilted back) helps minimize drip.We also offer an alternative formulation with olopatadine, which has a gentler taste profile and may be preferred by taste-sensitive patients.

Can I use it with my other allergy meds?

Quickie is designed to replace most other allergy medications. But it is designed to compliment allergy immunotherapy for long-term relief. If you’re currently taking other antihistamines or nasal sprays, tell your Curex provider, so we can adjust your formula to avoid overlap or interactions.

Is this FDA-approved?

No, Quickie is a personalized compounded prescription prepared by licensed U.S. pharmacies based on your doctor’s evaluation. Compounded medications are not FDA-approved as commercial products, but they are regulated under federal and state pharmacy laws.

Are there any side effects?

Possible side effects include nasal dryness, mild irritation, or occasional nosebleeds. These are typically mild and manageable. Let your Curex provider know about any bothersome or serious effects, so we can fine-tune your prescription if needed.

How long should I use it for?

Quickie is safe for daily use, especially during the first 3–6 months of allergy immunotherapy, when symptoms are still active. Your Curex provider may adjust your dose or frequency as your immune system builds tolerance.

Will it make me drowsy?

Quickie is designed to be non-sedating, so you can use it before work, school, or exercise without feeling groggy or foggy. In rare cases where drowsiness is reported, let your Curex provider know—we can easily adjust the formula to better suit your needs.

Can my child use Quickie Nasal Spray?

Yes, Quickie Spray can be prescribed for children aged 6 and up, based on your provider’s clinical evaluation.

How often should I use it?

Follow the instructions from your Curex provider.Most patients are advised to use one spray per nostril, twice daily — morning and evening — for consistent relief.

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(857) 240-1080

Email us at:

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Miami, FL 33131

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Curex provides allergy care plans for allergies, asthma, eczema and pet allergies.

Curex providers may prescribe sublingual allergy drops that contain the same ingredients as allergy shots but are more convenient & affordable.
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Curex-affiliated medical practices are independently owned and operated by licensed physicians who provide services using the Curex telehealth platform.

Compounded medications have not been approved by the FDA and the FDA has not evaluated their safety or efficacy.

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