What Is An Allergic Reaction? Defining An Allergic Reaction
What is an allergic reaction?
An allergic reaction is an exaggerated response of the immune system to normally harmless substances, leading to symptoms such as sneezing, itching, swelling, rashes, or even difficulty breathing.
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What causes an allergic reaction?
An allergic reaction is caused when the immune system overreacts to a foreign substance, known as an allergen.
How can you prevent an allergic reaction?
The best way to prevent an allergic reaction is to avoid the allergen that triggers it.
Can allergies develop over time?
Yes, allergies can develop at any age, although they are more common in childhood.
What is anaphylaxis?
Anaphylaxis is a severe, life-threatening allergic reaction that can cause swelling, difficulty breathing, and a drop in blood pressure.
What should you do in case of an allergic reaction?
If you experience symptoms of a severe allergic reaction, seek immediate medical attention or use an epinephrine auto-injector if prescribed.
What are some common symptoms of a severe allergic reaction?
Common symptoms of a severe allergic reaction include hives, itching, swelling, difficulty breathing, and stomach pain.
What is the difference between an allergy and intolerance?
An allergy involves the immune system, while an intolerance does not. Allergies can be life-threatening, while intolerances typically cause milder symptoms.
Can you outgrow an allergy?
Yes, it is possible to outgrow certain allergies, such as those to milk, eggs, wheat, and soy. However, allergies to peanuts, tree nuts, fish, and shellfish tend to be lifelong.
How are allergies treated?
Treatment for allergies may include avoiding triggers, taking medications such as antihistamines or nasal sprays, or undergoing immunotherapy, which involves gradually exposing the body to small amounts of an allergen to build up tolerance.
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