Allergic reactions occur when the immune system reacts abnormally to a harmless substance, known as an allergen. Symptoms can range from mild issues like sneezing and hives to severe complications like anaphylaxis, which requires immediate medical attention.

Allergic Reactions FAQ


What causes allergic reactions?

Allergic reactions are triggered by allergens such as pollen, pet dander, certain foods, and dust mites.

How do I know if I have an allergy?

Common signs include sneezing, itching, hives, or swelling after exposure to a specific substance.

Can you outgrow allergies?

Some children may outgrow certain allergies, while others can persist or even develop new ones later in life.

What is anaphylaxis?

Anaphylaxis is a severe, life-threatening allergic reaction that requires immediate medical intervention.

How is an allergic reaction treated?

Treatment may include antihistamines, corticosteroids, or epinephrine for severe reactions.

What is the difference between seasonal and food allergies?

Seasonal allergies are triggered by environmental allergens like pollen, while food allergies are reactions to specific foods.

Are allergic reactions hereditary?

Yes, allergies can run in families, suggesting a genetic component.

How can I prevent allergic reactions?

Avoid known allergens, keep your living space clean, and use air filters to minimize exposure.

What should I do if I experience a severe allergic reaction?

Seek immediate medical help or use an epinephrine auto-injector if prescribed.

Can allergies cause asthma?

Yes, allergies are a common trigger for asthma symptoms in susceptible individuals.

How long do allergic reactions last?

The duration can vary, with some reactions lasting only a few hours while others may persist for days.

What are common allergens?

Common allergens include pollen, dust mites, mold, pet dander, bee stings, and certain foods.

Is it safe to take antihistamines regularly?

Consult your healthcare provider, as long-term use may have side effects depending on the medication.

What role do antihistamines play in managing allergies?

Antihistamines block the action of histamine, relieving symptoms like itching, runny nose, and hives.

When should I see a doctor about my allergies?

If your symptoms persist, worsen, or if you experience anaphylaxis, seek medical attention promptly.

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