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Pharm 43 Histamine
Pharm
Question | Answer |
---|---|
1st gen H1 anithistamine. For allergic rhinitis, parkinsonism, insomnia. S.E.: sedation, dry eyes/mouth. Contra: babies. increased risk of arrhythmia | Diphenhydramine and other 1st gen H1 antihis |
1st Gen H1 antihistamine. For allergic rhinitis, anaphylaxis, insomnia. SE: sedation, dry eyes/mouth. Contra: comatose, babies. used primarily to relieve preop anxiety and reduce postop N/V | Promethazine |
1st gen H1 Antihistamine. For anxiety/pruritis in depressed patients. SE: HTN, hypoten, thrombocytopen, worse depression. contra: glaucoma. Dont give to pts w/o depression cuz its also a TCA | Doxepin |
1st Gen H1 Antihistamine. For Pruritis, alcohol withdrawl. SE: sedation, dry eyes/mouth. contra: early preg. | Hydroxyzine |
2nd Gen H1 antihistamine. For allergic rhinitis and urticaria. SE: somnolence, dry mouth, fatigue (less severe than 1st Gen) reduced pentetration into CNS. | Cetirizine, Loratidine, Fexofenadine, Azelastine (has bitter taste and epistaxis) |
H2 receptor antag. For PUD, GERD. can be given IV | Ranitidine |
H2 receptor antagonist. For PUD, GERD. SE: gynecomast, galactorrhea, loss of libido. inhibits CYP450 metab of warfarin, phenytoin, lidocaine, quinidine (increases their plasma levels) | Cimetidine |