What are the symptoms of an allergy to green peppers?

Food allergies happen when the immune system mistakenly identifies proteins in certain foods as dangerous, triggering a defensive response. Allergies to green peppers (capsicum) are uncommon. Interestingly, capsicum supplements are sometimes used to alleviate allergy symptoms.

While most food allergens cause itching or swelling in the mouth, tongue, or lips, green pepper allergies often result in respiratory issues like rhinoconjunctivitis (red, itchy, swollen, watery eyes) and asthma. Headaches, though rare in food allergies, are also linked to green pepper allergies. Additional symptoms may include eczema, hives, swelling or redness of the face or extremities, stomach pain, nausea, vomiting, diarrhea, nasal congestion, coughing, sneezing, wheezing, breathing difficulties, low blood pressure, dizziness, or fainting.

If you suffer from oral allergy syndrome (OAS), you might notice certain symptoms. OAS is an allergic reaction to specific raw fruits and vegetables, often triggered by hay fever. Those with OAS can usually consume cooked green peppers without issues but should avoid them raw. However, a true green pepper allergy requires complete avoidance, as even handling them may cause symptoms. Consult an allergist for testing to determine if you have OAS or a genuine green pepper allergy.

A severe green pepper allergy can lead to anaphylaxis, a potentially life-threatening condition. Symptoms may include nausea, vomiting, a weak or rapid pulse, trouble breathing, confusion, and loss of consciousness. Immediate medical help is essential if these symptoms occur.