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Oral Food Allergy Syndrome (OAS): Causes, Symptoms, and Treatment

Oral Food Allergy Syndrome (OAS) is a common allergic reaction that occurs when certain fresh fruits, vegetables, or nuts trigger itching and swelling in the mouth and throat. This condition is often linked to pollen allergies and can be bothersome for those affected. If you're experiencing symptoms of OAS, consult our experts today by calling +91-8171984555 or +91-7417423545. You can also book an appointment online.

Admin 28 Mar, 2025

Oral Food Allergy Syndrome (OAS): Causes, Symptoms, and Treatment

Oral Food Allergy Syndrome (OAS) is a common allergic reaction that occurs when certain fresh fruits, vegetables, or nuts trigger itching and swelling in the mouth and throat. This condition is often linked to pollen allergies and can be bothersome for those affected. If you're experiencing symptoms of OAS, consult our experts today by calling +91-8171984555 or +91-7417423545. You can also book an appointment online.

What is Oral Food Allergy Syndrome?

Oral Food Allergy Syndrome (OAS), also known as Pollen-Food Allergy Syndrome, is an allergic reaction caused by cross-reactivity between certain proteins in fresh fruits, vegetables, and nuts and those found in pollen. This condition mainly affects individuals with seasonal allergies, particularly hay fever.

Symptoms of Oral Food Allergy Syndrome

The symptoms of OAS typically appear within minutes of eating trigger foods and may include:

  • Itching or tingling in the mouth, lips, or throat

  • Swelling of the lips, tongue, or throat

  • Scratchy throat

  • Mild swelling in the face

  • In rare cases, difficulty breathing or anaphylaxis

When to Seek Medical Help?

If symptoms go beyond mild irritation, such as difficulty breathing or swelling of the throat, seek immediate medical attention. You can contact our specialists at +91-8171984555 or +91-7417423545.

Causes and Triggers of OAS

OAS occurs due to a cross-reaction between proteins found in certain foods and those in pollen. Some common pollen-food cross-reactions include:

  • Birch pollen allergy:  Apples, peaches, carrots, almonds

  • Ragweed pollen allergy: Melons, bananas, cucumbers

  • Grass pollen allergy: Tomatoes, potatoes, oranges

How is OAS Diagnosed?

Doctors diagnose OAS based on a patient’s medical history, symptoms, and allergy testing. Skin prick tests and blood tests may be used to confirm the condition.

Homeopathic Treatment for OAS

Homeopathy offers a natural and holistic approach to managing OAS. Some commonly used homeopathic remedies include:

  • Allium Cepa: For itching and burning sensations in the mouth

  • Apis Mellifica: For swelling of the lips and throat

  • Natrum Muriaticum: Helps reduce sensitivity to allergens

To receive personalized treatment, consult our homeopathic experts today. Book an appointment online.

How to Manage OAS?

Avoid Trigger Foods

  • Identify and avoid raw fruits, vegetables, or nuts that cause reactions.

  • Cook or peel fruits and vegetables before eating, as this can break down allergenic proteins.

Boost Your Immune System

  • Maintain a healthy diet rich in antioxidants.

  • Include vitamin C-rich foods to reduce allergy symptoms.

  • Stay hydrated and follow a balanced lifestyle.

Consider Allergy Immunotherapy

For long-term relief, allergy immunotherapy can help desensitize the body to allergens. A homeopathy-based approach may also provide relief.

FAQs About Oral Food Allergy Syndrome

Can OAS cause severe allergic reactions?

Most OAS reactions are mild, but in rare cases, severe reactions like anaphylaxis can occur.

Is cooking food a solution?

Yes, cooking or peeling foods can break down the allergenic proteins, reducing the risk of a reaction.

Can OAS be cured permanently?

While there is no permanent cure, homeopathy and allergy management strategies can significantly reduce symptoms.

Consult a Homeopathy Specialist Today

If you're struggling with OAS, our experts at Swasti Homoeopathy can help. Get in touch with us today:

📞 Call: +91-8171984555 | +91-7417423545

📅 Book an Appointment

📩 Contact Us

Take control of your allergies today and enjoy a symptom-free life!

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