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  2. Antihistamine - Wikipedia

    en.wikipedia.org/wiki/Antihistamine

    The most common antihistamines utilized for this purpose include hydroxyzine, promethazine (enzyme induction especially helps with codeine and similar prodrug opioids), phenyltoloxamine, orphenadrine, and tripelennamine; some may also have intrinsic analgesic properties of their own, orphenadrine being an example. Second-generation ...

  3. Anti-allergic agent - Wikipedia

    en.wikipedia.org/wiki/Anti-allergic_agent

    Zyrtec-D, an example of combination therapy. Combination therapy with antihistamines. Antihistamines and decongestants can be used as a combination to treat nasal congestion, runny nose, and sneezing symptoms caused by common cold and hay fever. Some examples include: Pseudoephedrine + Loratadine (Claritin-D®) Pseudoephedrine + Cetirizine

  4. H1 antagonist - Wikipedia

    en.wikipedia.org/wiki/H1_antagonist

    H 1 antagonists, also called H 1 blockers, are a class of medications that block the action of histamine at the H 1 receptor, helping to relieve allergic reactions.Agents where the main therapeutic effect is mediated by negative modulation of histamine receptors are termed antihistamines; other agents may have antihistaminergic action but are not true antihistamines.

  5. Category:Antihistamines - Wikipedia

    en.wikipedia.org/wiki/Category:Antihistamines

    Pages in category "Antihistamines" The following 45 pages are in this category, out of 45 total. This list may not reflect recent changes. ...

  6. H3 receptor antagonist - Wikipedia

    en.wikipedia.org/wiki/H3_receptor_antagonist

    An H 3 receptor antagonist is a type of antihistaminic drug used to block the action of histamine at H 3 receptors.. Unlike the H 1 and H 2 receptors which have primarily peripheral actions, but cause sedation if they are blocked in the brain, H 3 receptors are primarily found in the brain and are inhibitory autoreceptors located on histaminergic nerve terminals, which modulate the release of ...

  7. 12 reasons you aren't losing weight even though you're eating ...

    www.aol.com/12-reasons-arent-losing-weight...

    Antihistamines: Diphenhydramine (the active ingredient in Benadryl) ... For example, the diabetes medication Metformin isn't associated with weight gain like insulin and older meds. Beyond ...