Food allergies occur when your immune system overreacts to certain proteins in food, identifying them as harmful invaders. This triggers an allergic reaction, which can range from mild to severe.
While you can be allergic to any food, the most common food allergies that affect both children and adults.
There are others as well, but above covers the majority of them.
It is not entirely clear why some people develop food allergies. However, it involves your immune system mistakenly identifying a constituent as a threat. When you eat that food, your immune system releases chemicals, like histamine, which cause allergic symptoms.
Food allergies are more common in children and could start at an early stage. For many, the allergies may come later in life. Some outgrow allergies to milk, eggs, and soy as they get older, but allergies to peanuts, tree nuts, fish, and shellfish tend to persist throughout life.
The actions you take depend on the severity of the reaction. Mild to moderate reactions like itchy skin, hives, mild stomach pain, or sneezing. Over-the- counter antihistamines help alleviate the condition.
Severe Reactions (Anaphylaxis). This is a life-threatening reaction that can involve difficulty in breathing, swelling of the lips, face, tongue, or throat, dizziness or fainting, rapid or weak pulse, severe stomach pain, vomiting, or diarrhoea. In such cases, immediate medical attention is crucial.
Normally, administer epinephrine if you have an auto-injector (like an EpiPen), or ask a trained family member or caregiver to do it for you. In any case, call emergency services right away. You should also keep oral antihistamines (like cetirizine or diphenhydramine) at home to manage mild symptoms, prescribed by your doctor. You would know if your allergy had already been diagnosed and your doctor had prescribed SOS medicines.
Food intolerances are allergies are fundamentally different in how your body reacts:
If you cannot correlate your symptoms to a specific food, an allergist can help with the diagnosis. Based on your symptoms, medical history, and a physical examination, the doctor may recommend allergy testing, like Skin Prick Test, Blood test and Oral food challenge.
The best way to prevent an allergic reaction is to strictly avoid the food allergen. This involves:
Currently, there is no definitive cure for most food allergies. Understanding your symptoms, knowing triggers, avoiding specific foods, and being prepared for emergencies will help you manage allergic reactions effectively.