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Hydroxyzine, sold under the brand names Atarax and Vistaril among others, is an antihistamine medication. [8] It is used in the treatment of itchiness, anxiety, insomnia, and nausea (including that due to motion sickness). [8] It is used either by mouth or injection into a muscle. [8] Hydroxyzine works by blocking the effects of histamine. [9]
Hydroxyzine doesn't act on u-opioid receptors, and the vast majority of anecdotal subjective information (pretty much the only avaliable information on how recreational drugs feel) indicates that hydroxyzine is not "fun" and does not feel like an opiate or even a GABA agonist (benzodiazepine, barbituate, ethanol, meprobamate, carisoprodol, etc ...
25 mg 2–3 hours 10–12 hours CYP2D6, others Yes Hydroxyzine: 25–100 mg 2 hours 20 hours ADH, CYP3A4, others No Doxepin: 3–6 mg 2–3 hours 17 hours c: CYP2D6, others No (at low doses) Mirtazapine: 7.5–15 mg 2 hours 20–40 hours CYP2D6, others No Quetiapine e: 25–200 mg 1.5 hours 7 hours d: CYP3A4 No (at low doses) Footnotes: a = For ...
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.
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Pralidoxime (2-pyridine aldoxime methyl chloride) or 2-PAM, usually as the chloride or iodide salts, belongs to a family of compounds called oximes that bind to organophosphate-inactivated acetylcholinesterase. [1] It is used to treat organophosphate poisoning [2] in conjunction with atropine and either diazepam or midazolam. It is a white solid.
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Peptidyl-glycine alpha-amidating monooxygenase, or PAM, is an enzyme that catalyzes the conversion of an n+1 residue long peptide with a C-terminal glycine into an n-residue peptide with a terminal amide group. In the process, one molecule of O 2 is consumed and the glycine residue is removed from the peptide and converted to glyoxylic acid. [5]