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  1. Dictionary
    an·ti·his·ta·mine
    /ˌan(t)ēˈhistəˌmēn/

    noun

    • 1. a drug or other compound that inhibits the physiological effects of histamine, used especially in the treatment of allergies.

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    More definitions, origin and scrabble points

  2. www.medicalnewstoday.com › articles › antihistaminesAntihistamines: How they work, types, and side effects - Medical...

    Feb 16, 2023 · Antihistamines refer to a type of medication that treats allergy symptoms, motion sickness, and some cold and flu symptoms. Antihistamines block H1 histamine receptors. What symptoms do they...

  3. en.wikipedia.org › wiki › AntihistamineAntihistamine - Wikipedia

    Although the general public typically uses the word "antihistamine" to describe drugs for treating allergies, physicians and scientists use the term to describe a class of drug that opposes the activity of histamine receptors in the body.

  4. my.clevelandclinic.org › health › drugsAntihistamines: Definition, Types & Side Effects - Cleveland...

    Jul 13, 2020 · An antihistamine is a prescription or over-the-counter medication that blocks some of what histamine does. “Anti” means against, so antihistamines are medicines that work against or block histamine.

  5. www.merriam-webster.com › dictionary › antihistamineAntihistamine Definition & Meaning - Merriam-Webster

    The meaning of ANTIHISTAMINE is any of various compounds that counteract histamine in the body and that are used for treating allergic reactions (such as hay fever) and cold symptoms. How to use antihistamine in a sentence.

  6. patient.info › allergies-blood-immune › allergiesAntihistamines: Uses, Types, and Side-Effects - Patient

    Oct 11, 2022 · Antihistamines are mainly used to treat seasonal allergic rhinitis (hay fever), urticaria (hives), pruritus (itching) and insect bites and stings.

  7. www.health.com › antihistamines-8384188Antihistamines: Uses, Types, Side Effects, Interactions - Health

    Dec 26, 2023 · Antihistamines are medications designed to counteract this process. They work by blocking histamine receptors, preventing histamine from binding to them. By doing so, antihistamines interrupt...

  8. www.webmd.com › allergies › antihistamines-for-allergiesAntihistamine Medications: What's Available and Side Effects - ...

    Jan 17, 2023 · 3 min read. Different medications can treat allergies, including steroids and allergy shots, but usually the first thing to try is an antihistamine. How Does Allergy Medicine Work? For lots of...

  9. www.everydayhealth.com › antihistamineWhat Is an Antihistamine? - Everyday Health

    Sep 30, 2023 · An antihistamine is a type of medicine used to treat common allergy symptoms, such as sneezing, watery eyes , hives, and a runny nose.

  10. www.nhs.uk › conditions › antihistaminesAntihistamines - NHS

    Antihistamines are medicines often used to relieve symptoms of allergies, such as hay fever, hives, conjunctivitis and reactions to insect bites or stings. They're also sometimes used to prevent motion sickness, to treat feeling sick (nausea) or being sick ( vomiting ), and as a short-term treatment for insomnia.

  11. www.verywellhealth.com › antihistamines-83078Antihistamines and How They're Used - Verywell Health

    Jun 20, 2023 · Antihistamines are a class of drugs primarily used to relieve allergies. They do so by blocking a chemical known as histamine that is released by the immune system whenever the body is confronted by an allergy-causing substance ( allergen ).