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    GlossaryDiphenhydramine (Benadryl)

    antihistamine used to treat allergies and induce sleep

    Diphenhydramine, commonly known as Benadryl, is an antihistamine used to relieve symptoms of allergy, hay fever, and the common cold, such as rash, itching, watery eyes, and sneezing. It works by blocking the action of histamine, a substance in the body that causes allergic symptoms. Additionally, it has sedative properties and is sometimes used as a sleep aid.

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      community Zyrtec (Cetirizine) antihistamine for hair growth compared to Minoxidil NIH study

      in Minoxidil  36 upvotes 1 year ago
      The conversation discusses the potential of topical cetirizine (Zyrtec) for hair growth in comparison to minoxidil, noting cetirizine's ability to reduce prostaglandin D2, which inhibits hair growth. Users share mixed experiences with cetirizine for allergies and scalp health, and there's a mention of the risk of dementia with long-term antihistamine use.

      community This guy is 113 and has more hair than most people on here.

      in Satire  981 upvotes 3 years ago
      A 113 year old man who has more hair than most people, and the conversation is discussing potential genetic factors that may be responsible for this. Possible treatments such as dermarolling and minoxidil, finasteride, and RU58841 are mentioned.