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2. 16 Ways to Get Rid of Hives, According to Doctors - AOL

   www.aol.com/16-ways-rid-hives-according...

   Topical steroids, like hydrocortisone, also help relieve the itching that comes with hives, Dr. Kim says. These creams or gels, which you can purchase at your drugstore, also reduce inflammation ...

3. Allergies in children - Wikipedia

   en.wikipedia.org/wiki/Allergies_in_children

   [4] Upon contact with an allergen, a child’s immune system produces antibodies which patrol the body for future encounters with the invader. [5] During any future encounters, the antibodies release immune system chemicals, such as histamine, that cause allergy symptoms in the nose, lungs, throat, sinuses, ears, eyes, skin, or stomach lining.

4. Aquagenic pruritus - Wikipedia

   en.wikipedia.org/wiki/Aquagenic_pruritus

   The exact mechanism of the condition is unknown. Some studies have suggested the itching occurs in response to increased fibrinolytic activity in the skin, [5] [6] inappropriate activation of the sympathetic nervous system, [7] increased activity of acetylcholinesterase, [8] [9] or an increase in mast cell degranulation that releases histamine and other chemicals into the body.

5. Antihistamine - Wikipedia

   en.wikipedia.org/wiki/Antihistamine

   H 1-antihistamines work by binding to histamine H 1 receptors in mast cells, smooth muscle, and endothelium in the body as well as in the tuberomammillary nucleus in the brain. Antihistamines that target the histamine H 1-receptor are used to treat allergic reactions in the nose (e.g., itching, runny nose, and

6. Why do mosquito bites itch? What to know about these blood ...

   www.aol.com/why-mosquito-bites-itch-know...

   Here are a couple of things you can try to relieve the itch, instead of just using your fingernails: Antihistamines: Histamine makes mosquito bites itchy. You can use antihistamine pills or apply ...

7. Dermatographic urticaria - Wikipedia

   en.wikipedia.org/wiki/Dermatographic_urticaria

   Symptoms are thought to be the result of histamine being released by mast cells on the surface of the skin. Despite the lack of antigens, histamine causes the skin to swell in affected areas. If the membrane that surrounds the mast cells is too weak, it will easily and rapidly break down under physical pressure, which then causes an allergic ...