Allergy

Anti-histamine

Antihistamines are medications often used to relieve symptoms of allergies, such as hay fever, hives, conjunctivitis, and reactions to insect bites or stings.

Antihistamines block the effects of a substance called histamine in your body.

Histamine is normally released when your body detects something harmful, such as an infection.

But in people with allergies, the body mistakes something harmless – such as pollen, animal hair, or house dust – for a threat and produces histamine. The histamine causes an allergic reaction.

Antihistamines help stop this happening if you take them before you come into contact with the substance you are allergic to.

Or they can reduce the severity of symptoms if you take them afterwards.

How Antihistamines help? (2)

Antihistamines treat:

  • Allergic rhinitis/hay fever.
  • Allergic conjunctivitis.
  • Hives and other skin rashes.
  • Colds.
  • Food allergies.
  • Hypersensitivity to certain drugs.
  • Insect bites and stings.

Recovery and outlook? (1)

Many people experience allergic reactions when they are exposed to specific allergens, ranging from pet dander and pollen to compounds in foods, drinks, and personal hygiene products. The best treatment of an allergic reaction depends on the cause, though most minor cases can be treated with OTC antihistamines and anti-itch products.

References

  1. Antihistamines. NHS. [Online] [Cited: June 29, 2024.] https://www.nhs.uk/conditions/antihistamines/#:~:text=Antihistamines%20are%20medicines%20often%20used,short%2Dterm%20treatment%20for%20insomnia
  2. Antihistamines. Cleavland Clinic. [Online] [Cited: July 29, 2024.] https://my.clevelandclinic.org/health/drugs/21223-antihistamines
  3. How do you treat an allergic reaction. MedicalNewsToday. [Online] [Cited: June 29, 2024.] https://www.medicalnewstoday.com/articles/321500

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