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Allergy Testing and Immunotherapy in Los Angeles, California

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Price: 49.0 USD
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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.

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Pesto Allergy: Symptoms, Diagnosis & Treatment

Learn about pesto allergy symptoms, diagnostic tips with Curex, treatment options, and food triggers to better protect your health.

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#1 Online
Allergy Clinic

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50,000+
users

Reviewed by Curex clinical team

Dr. Chet Tharpe, M.D..

Updated May 3, 2025

Key Symptoms of Pesto Allergy

Skin Reactions

One of the most common symptoms of a pesto allergy is skin reactions. This can include hives and skin rashes, which are itchy and red because of the immune system's reaction to the allergen. Individuals can also experience swelling in the face, and particularly around the mouth and eyes.

Shortness of Breath

Sometimes a pesto allergy can cause respiratory symptoms, like shortness of breath. The airways can become constricted and inflamed, causing difficulty in breathing. It may also trigger a cough or wheezing.

Stomach Issues

Another symptom can be stomach or gastrointestinal problems. This can include nausea, vomiting, diarrhea, or stomach cramps. These symptoms usually appear within a few hours of ingesting pesto.

Nasal Congestion

Allergic reactions to pesto can cause nasal symptoms such as sneezing, runny nose, or congestion. This occurs due to the body's immune response trying to expel the allergen from the system.

Tingling in the Mouth

An early symptom of a pesto allergy can be a tingling, itching, or numb feeling in the mouth or throat. This can happen immediately after eating pesto and may be accompanied by swelling of the lips, tongue, and throat.

Anaphylaxis

Although rare, an acute allergic reaction to pesto could potentially lead to anaphylaxis. This is a severe allergic reaction that can cause difficulty in breathing, rapid heartbeat, dizziness, and loss of consciousness. It's a medical emergency and requires immediate attention.

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How to Recognize if You're Allergic to Pesto

If you have an allergic reaction after eating Pesto, it might indicate that you have a Pesto allergy. Pesto contains multiple ingredients, including basil, garlic, pine nuts, parmesan cheese, and olive oil. An allergic reaction could be due to any of these ingredients. Here are some steps to identify if you have a Pesto allergy:

Observe the Symptoms

Hives or rash: After consumption of Pesto, if you notice skin irritation, redness, itching, or swelling, it might be a sign of an allergic reaction.
Difficulty breathing: Trouble in breathing or wheezing could indicate an allergic reaction. Contact your healthcare provider immediately if you experience these symptoms.
Stomach discomfort: Symptoms like nausea, vomiting, diarrhea, or abdominal pain after eating pesto may also indicate a possible allergy.

Take an Allergy Test

This is the most reliable way to confirm a Pesto allergy. Visit an allergist who can perform a skin prick test or a blood test to identify the exact allergen causing the reaction.

Try an Elimination Diet

If an allergy test is not possible, try eliminating one ingredient at a time from your diet to figure out which one is causing the allergic reaction. Remember to reintroduce each ingredient after a break to see if any symptoms recur.

Note

If any severe symptoms, such as difficulty breathing, fainting, or chest paint occur, seek immediate medical attention. It is important to manage food allergies with the help of a healthcare provider to avoid serious health risks.

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.

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When Pesto Grows and Its Impacts

Where Pesto Grows Across the USA?

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Diagnostic of Pesto Allergy with Curex

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)

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 Pesto Allergy

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Alternative Ingredients

If you're allergic to pesto due to ingredients such as tree nuts (commonly pine nuts), garlic, or basil, consider using alternatives. Swap out pine nuts with seeds like sunflower or pumpkin, replace garlic with a neutral oil or omit it entirely, and opt for other herbs like parsley instead of basil.

Make Homemade Pesto

Preparing homemade pesto allows you to control what goes in your dish. You can exclude potential allergens, thus preventing allergic reactions. It's also a great way to customize your pesto to suit your dietary needs and preferences.

Allergen-Free Pesto Brands

Look for pesto brands that are allergen-free or specifically label their products as such. These brands exclude common allergens from their products, making them safe for individuals with food allergies to consume.

Food Allergy Test

If you suspect an allergy to pesto but aren't sure which ingredient is causing the reaction, consider getting a food allergy test. These tests can help identify specific allergens, allowing you to take appropriate steps in managing your diet and preventing allergic reactions.

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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 Pesto Allergy Symptoms

If you're suffering from a pesto allergy, focusing on a balanced diet with nutrients that boost your immune system and reduce inflammation can help ease the symptoms. Some of these include:

Probiotic-Rich Foods

Yoghurt: Opt for yoghurts that contain live cultures as these help to balance the good bacteria in your gut, potentially reducing allergic reactions.
Fermented Foods: Kimchi, sauerkraut, and other fermented foods are rich in probiotics and can strengthen your immune system.

Omega-3 Fatty Acids

Fish: Fatty fish like salmon, mackerel, and sardines are rich in omega-3 fatty acids which can help reduce inflammation linked to allergies.
Walnuts: Walnuts are a plant-based source of omega-3 and can be easily incorporated into your diet.

Vitamin C

Oranges: Besides oranges, other citrus fruits like lemons and grapefruits also offer high amounts of vitamin C.
Red Bell Peppers: This vegetable is a vitamin C powerhouse and can help to enhance your immune system.

Quercetin

Apples: Known for their high quercetin content, apples have natural antihistamine properties.
Onions: Onions, particularly red onions, are a good source of quercetin and can help reduce allergic reactions.

Remember, everyone is unique and might react differently to certain foods. Therefore, it is always useful to consult with a medical professional or a nutritionist before making major changes to your diet.

What Food Worsens Pesto Allergy

Foods That Worsen Pesto Allergy Symptoms

Pesto is made with pine nuts, basil, garlic, olive oil and parmesan cheese. Therefore, people with a pesto allergy should avoid consuming these ingredients individually or in other dishes. However, additional foods may also worsen pesto allergy symptoms:

Nuts and seeds
Dairy products: If you are allergic to the Parmesan cheese in pesto, you may also react to other cheeses and dairy products.

Garlic and onions: Many people who are allergic to garlic, which is used in pesto, may also experience an allergic reaction to onions.

Other fresh herbs: Those allergic to the basil in pesto may also react to similar herbs like mint and oregano.

Foods containing pesto: Any dish that includes pesto, such as pasta, pizza or sandwiches, should be avoided.

Furthermore, allergies can be quite individual, so it's always useful to keep track of what you've consumed when you have an allergic reaction. This can help to pinpoint if there are other foods, not directly related to the ingredients in pesto, that may worsen your symptoms.

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Allergy FAQ

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Can different brands of pesto cause varying allergic reactions?

Varying Allergic Reactions

Pesto recipes differ between brands, leading to varied ingredients that can trigger allergies.

Common allergens in pesto include nuts (like pine nuts), dairy (such as Parmesan cheese), and garlic.

Some brands may include unexpected allergens or substitutes, such as walnuts for pine nuts.

Reading labels thoroughly and checking for cross-contamination warnings is essential for allergy sufferers.

Which specific ingredients in pesto are most likely to trigger an allergic reaction?

Allergy Triggers in Pesto

Pine nuts are common in traditional pesto and can trigger reactions in individuals allergic to tree nuts.

Parmesan cheese, made from cow's milk, poses a risk for those with dairy allergies.

Basil contains salicylates, which may affect people sensitive to these compounds.

Garlic is a potential allergen for individuals with an allium sensitivity.

Is it possible to develop an allergy to pesto over time, even if it was previously tolerated?

Possibility of Developing Pesto Allergy Over Time

Yes, it is possible to develop an allergy to pesto even if it was previously tolerated. Allergies can occur at any age due to repeated exposure to an allergen, causing the immune system to become hypersensitive over time.

Pesto contains common allergens such as nuts (usually pine nuts or walnuts) and cheese (containing dairy). Both can trigger allergic reactions that may develop suddenly after years of tolerance.

It's advisable to monitor symptoms like itching, swelling, or difficulty breathing after pesto consumption and consult an allergist for further evaluation if needed.

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Treatment prescribed
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Clinicaly made allergen extracts are customized for your allergies

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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

Allergy Testing and Immunotherapy in Los Angeles, California

Pesto Allergy: Symptoms, Diagnosis & Treatment

Reviewed by Curex clinical team