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Allergy Testing and Immunotherapy in Los Angeles, California

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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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Blackberries Allergy: Signs, Diagnosis & Treatment

Uncover blackberries allergy: key symptoms, diagnosis with Curex, treatments, and diet tips to manage reactions and learn FAQs.

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Reviewed by Curex clinical team

Dr. Chet Tharpe, M.D..

Updated May 3, 2025

Key Symptoms of Blackberries Allergy

Itching and Redness

Exposed skin areas may develop redness and itching. It's a sign of skin irritation due to allergens in blackberries, which triggers an immune response.

Swelling

Swelling might occur in various areas of the body, particularly around the mouth, lips, tongue, and throat. It can make swallowing difficult and is an immediate medical concern.

Hives

Hives or urticaria is a skin reaction characterized by small red, raised, itchy bumps. They might appear on one part of the body or spread across a large area.

Stomach Upset

Some people may experience stomach pain, cramping, nausea, vomiting, or diarrhea. These symptoms may occur as the body attempts to rid itself of the allergen.

Respiratory Symptoms

Respiratory symptoms such as shortness of breath, wheezing, and coughing can be severe. These symptoms occur as the body's immune system overreacts to the allergen, causing inflammation of the airways.

Anaphylaxis

Anaphylaxis is a severe, life-threatening allergic reaction that requires immediate medical intervention. Symptoms can manifest quickly and might include hives, swelling, difficulty breathing, dizziness, unconsciousness, and a drop in blood pressure.

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How to Recognize if You're Allergic to Blackberries

If you want to specifically determine if you have an allergy to blackberries, it is essential to understand the symptoms that allergy sufferers typically experience. Pay close attention when you consume blackberries and observe the signs your body manifests after intake.

Identify the Symptoms of Blackberry Allergy

Oral Allergy Syndrome: Blackberry allergies can often lead to experiencing oral allergy syndrome. This condition may result in an itching or burning sensation in the lips, mouth, throat, and ears immediately or shortly after consuming blackberries.
Skin Reactions: If you're allergic to blackberries, you might experience skin reactions such as hives, itching, redness, or swelling around the mouth or elsewhere on the skin.
Stomach Upsets: Those allergic to blackberries may go through digestive issues after eating the fruit, such as stomach cramps, nausea, vomiting, or diarrhea.
Respiratory Problems: Symptoms such as wheezing, coughing, or shortness of breath may occur in some sufferers, indicating a severe allergic reaction.
Anaphylaxis: In rare cases, some individuals might experience severe reactions, known as anaphylaxis. The symptoms of this might include difficulty in breathing, a drop in blood pressure, dizziness, or loss of consciousness. This is a medical emergency and requires immediate attention.

Investigative Methods

Food Diary: To pinpoint a blackberry allergy, you can keep a food diary. Document what you ate, including blackberries, when, and any symptoms you noticed afterward.
Elimination Diet: You can follow an elimination diet under a healthcare professional's supervision. In this, you would entirely stop eating blackberries for a few weeks and watch if the symptoms disappear.
Medical Allergy Tests: These tests include a skin prick test or blood test to identify the specific allergen causing the allergic reaction. The results should help confirm a blackberry allergy.

In contrast, if you continue to experience these symptoms despite not eating blackberries, it is likely an allergy to something else. Always consult with a healthcare professional if you suspect an allergy to accurately diagnose and get proper treatment for your condition.

Clinical Support

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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 Blackberries Grows and Its Impacts

Blackberries in the U.S. begin to grow in late spring to early summer. The exact timing can vary depending on the specific region and the particular weather conditions of the year. However, the majority of blackberry plants reach their peak fruit production in mid-summer, typically from late June to August. After this period, the blackberry growth cycle slows down and they stop producing fruits towards the end of summer.

Recognizing the Growth Cycle

Flowering: Blackberry plants usually start to flower in early to mid-spring.
Fruit Development: The fruits start developing after the flowers have been pollinated, which usually occurs in early summer.
Peak Fruit Production: This generally takes place in mid-summer, with the berries ripening from late June to August.
End of Cycle: Towards the end of summer, the plants stop producing fruits.

Where Blackberries Grows Across the USA?

Blackberries are a widespread plant that can be found throughout the United States. They are native to every state and grow abundantly in diverse climates and regions, especially in sunny, well-drained soils.

Blackberries in Southwest

Arizona: Blackberries prefer cooler areas of Arizona, particularly in the high regions of the state.
New Mexico: Blackberries thrive in the northern and eastern parts of New Mexico.

Blackberries in Midwest

Michigan: Blackberries are commonly seen in Michigan's forest areas and in properly prepared garden spaces.
Illinois: Here, blackberries are found in woodlands, prairies, savannas, and abandoned fields, as well as roadsides.

Blackberries in Southeast

Florida: In Florida, blackberries grow naturally in open, sunny spaces that have drained soil.
Georgia: The southern Parts of Georgia provide a favorable climate for blackberries.

Blackberries in Northwest

Washington: This region has a climate suitable for blackberries, particularly in areas with ample sunlight.
Oregon: Blackberries are commonly found in Oregon, both in the wild and in home gardens.

Blackberries also grow in numerous other states across the country. These regions are just a few examples of where this allergen can be found.

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Diagnostic of Blackberries 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 Blackberries Allergy

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Avoid Consumption

The most straightforward way to prevent an allergic reaction to blackberries is to not consume them at all. This includes beverages, jams, pies or any other food products that contain blackberries.

Check Food Labels

Always carefully read the labels when buying processed foods. Many products may contain blackberry extracts or blackberry flavorings. By checking the labels, you can avoid unintentionally consuming products with blackberries.

Inform Food Handlers

When dining out or purchasing food, always inform the food handlers or servers of your blackberry allergy. This will help them take the necessary steps to prevent cross-contamination with blackberries.

Carry an Epinephrine Auto-Injector

In case of accidental exposure to blackberries, always carry an epinephrine auto-injector if prescribed by your doctor. This can quickly treat severe allergic reactions, potentially saving your life.

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Diet to Ease Blackberries Allergy Symptoms

If you're allergic to blackberries, the first step is to manage your allergy symptoms by following a diet enriched with foods that can naturally combat or soothe allergic reactions. This does not replace allergy medication but it may help to lessen the symptoms.

Include Foods Rich in Vitamin C

Citrus fruits: Oranges, lemons, and grapefruits are packed with vitamin C, which can help to reduce allergy symptoms.
Strawberries: Although they are berries, they generally do not cross-react with blackberries. They are also rich in vitamin C.
Red peppers: These are high in vitamin C and could be a good alternative source.

Maintain Omega-3 Fatty Acids Intake

Fatty fish: Salmon, mackerel, and sardines have high omega-3 content, which can reduce inflammation caused by allergic reactions.
Chia seeds and flax seeds: These seeds are high in omega-3s and can be easily added to various dishes.

Consume Foods with Quercetin

Apples: Apples contain quercetin, a natural antihistamine that can reduce allergy symptoms. Make sure to eat the skin where most of the quercetin resides.
Onions and garlic: These also contain quercetin and can be easily incorporated into the diet.

Include Foods In High Probiotics in Your Diet

Yogurt: Contains probiotics which help to enhance the immune system and possibly reduces allergies.
Fermented foods: Foods like kimchi and sauerkraut also have probiotics.

Always consult with a healthcare provider before incorporating new foods into your diet to ensure they are safe for you to eat.

What Food Worsens Blackberries Allergy

If you suffer from a blackberry allergy, it's crucial to be cautious about cross-reactivity - an allergic reaction caused by substances that are similar to substances you're allergic to. Among the foods most likely to cause cross-reactivity with blackberries are other fruits within the Rosaceae family. These include:

Fruits in the Rosaceae family

Apples: Both domestic and wild varieties can potentially trigger an allergic reaction.
Peaches: Be cautious when consuming both fresh and canned peaches.
Plums: Both domestic plums and wild varieties such as sloes and damsons could potentially make your allergy symptoms worse.
Raspberries and strawberries: As close relatives to blackberries, these berries hold a high risk of cross-reactivity.
Cherries: This includes all types - sweet, sour, and wild.
Pears: Both European and Asian varieties should be avoided.
Almonds: Though not a fruit, almonds are part of the Rosaceae family and might trigger a reaction.

Apart from the fruits listed above, reactions may also be triggered by certain berries and fruits outside the Rosaceae family due to similar proteins. These foods include bananas, kiwis, and avocados.

Other potential trigger foods

Bananas: This common fruit shares common allergenic proteins with blackberries.
Kiwis: Consuming kiwis may also exacerbate blackberry allergy symptoms.
Avocados: While not common, some individuals with blackberry allergies might react to avocados.

Remember, it’s always best to consult with a registered dietitian or allergist before eliminating any foods from your diet to ensure proper nutrition is maintained.

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Allergy FAQ

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Can someone with a raspberry allergy also react to blackberries?

Cross-Reactivity Concerns

Individuals allergic to raspberries might experience a similar reaction to blackberries. This is due to the potential for cross-reactivity between both berries, as they belong to the same botanical family, Rosaceae.

Consult a Healthcare Professional

It's essential to seek advice from an allergist, who can conduct tests to determine specific allergies and recommend safe dietary choices. Avoid self-testing due to the risk of severe allergic reactions.

Are there proteins in blackberries that are known allergens?

Blackberries and Allergens

Blackberries contain proteins that can act as allergens for some individuals, particularly those with food allergies or oral allergy syndrome.

One potential allergenic protein is related to Bet v 1, which is found in birch pollen and can cause cross-reactivity.

Symptoms can range from mild reactions like itching and swelling in the mouth to more severe responses such as difficulty breathing.

Is there a difference in allergic reactions between wild and cultivated blackberries?

Allergic Reactions to Blackberries

Generally, allergic reactions to blackberries, whether wild or cultivated, tend to be similar because they contain the same allergenic compounds.

The main allergens are proteins found in both types that can trigger immune responses in sensitive individuals.

However, wild blackberries might accumulate different environmental compounds, potentially affecting sensitivity.

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At-home treatment

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

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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

Blackberries Allergy: Signs, Diagnosis & Treatment

Reviewed by Curex clinical team