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  2. Hives - Wikipedia

    en.wikipedia.org/wiki/Hives

    Hives, or urticaria, is a form of skin rash with red, raised, itchy bumps. [1] They may also burn or sting. [2] Hives can appear anywhere on the surface of the skin. Whether the trigger is allergic or not, a complex release of inflammatory mediators, including histamine from cutaneous mast cells, results in fluid leakage from superficial blood ...

  3. Famotidine - Wikipedia

    en.wikipedia.org/wiki/Famotidine

    Famotidine, sold under the brand name Pepcid among others, is a histamine H 2 receptor antagonist medication that decreases stomach acid production. [4] It is used to treat peptic ulcer disease , gastroesophageal reflux disease , and Zollinger-Ellison syndrome . [ 4 ]

  4. Antihistamine - Wikipedia

    en.wikipedia.org/wiki/Antihistamine

    Antihistamines are drugs which treat allergic rhinitis, common cold, influenza, and other allergies. [1] Typically, people take antihistamines as an inexpensive, generic (not patented) drug that can be bought without a prescription and provides relief from nasal congestion, sneezing, or hives caused by pollen, dust mites, or animal allergy with few side effects. [1]

  5. What are hives? A dermatologist explains

    www.aol.com/news/hives-dermatologist-explains...

    Hives, or urticaria, are itchy pink welts that could appear anywhere on your skin. Some are bumps as small as a pinhead, while others may merge together to cover large patches of your skin.

  6. Mastocytosis - Wikipedia

    en.wikipedia.org/wiki/Mastocytosis

    Diagnosis of urticaria pigmentosa (cutaneous mastocytosis, see above) can often be done by seeing the characteristic lesions that are dark brown and fixed. A small skin sample may help confirm the diagnosis. [citation needed] In case of suspicion of systemic disease the level of serum tryptase in the blood can be of help.

  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 ...

  8. Histamine intolerance - Wikipedia

    en.wikipedia.org/wiki/Histamine_intolerance

    Symptoms attributed to histamine intolerance are wide-ranging and may affect various physiological systems, including the skin (flushing or redness of the face, hives, itchiness, rash, etc.), [6] [5] [3] gastrointestinal (gut discomfort, stomach pain, irritable bowel, abdominal distension, postprandial fullness, diarrhea or constipation, etc ...

  9. Yes, adults can get RSV too. Here's what to know about the ...

    www.aol.com/news/yes-adults-rsv-too-heres...

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