Search
for

    Did you mean Antihistamines?
    Glossary Antihistamines

    medications that block histamine to relieve allergy symptoms

    Antihistamines, also known as histamine blockers or H1 receptor antagonists, are medications that help alleviate allergy symptoms by blocking the action of histamine, a substance in the body that causes allergic reactions. They are commonly used to treat conditions such as hay fever, hives, and other allergic reactions, and can also be effective in managing symptoms of the common cold and motion sickness.

    Related Terms

    Sort by

    Community 10

    1. H as anyone done sperm/fertility test before and after staring finasteride? Reddit · 24 Aug 2020
    2. Peter h diamandis Dr David Sinclair podcast Reddit · 23 Feb 2026
    3. Progress and Contemplating H/T Reddit · 25 Aug 2026
    4. Topical minoxidil + Age-R Booster-H-device = Vast improvements in my hair recovery. Reddit · 2 Aug 2023
    5. Compressed part of research of theory of androgenic/anabolitic balance. AGA h-responders analytic. Theory of physio-metabolitic method of anti AGA treatment Community · 26 Oct 2024
    6. Check your vitamin d3 levels!!! Reddit · 6 Jul 2026
    7. My 2 cents about shampoos, the thing that stopped me shedding hairs like crazy Reddit · 10 Aug 2024
    8. do hyper responders just have better absorption in there gut? Reddit · 9 Dec 2022
    9. Weird scalp problems at 22, early signs? Reddit · 9 Oct 2014
    10. Vitamin B5/B6 + Biotin? Any other multivitamins you guys take? Reddit · 8 Feb 2026