Miscellaneous Quiz / anti-histamines

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Can you name the anti-histamines?

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HintAnswer
Carbinoxamine class
Chloropheniramine class
Containdications for histamine agonist
Pyrilamine class
Cyproheptadine class
Anti-cholinergic + / Sedation +
Other action: OTC 'sleep aid'
Diphenhydramine class
Anti-cholinergic - / Sedation +
Cetirizine class
Tripelennamine class
Kinetics: less CNS penetration (dose related sedation), CYP3A4 metabolism (drug interactions). Active metabolites (hydroxyzine -> cetirizine; terfen
Other action: sleep aid
Contraindicated in glaucoma and BPH
Anti-cholinergic - / Sedation +/-
SE: serotonin-receptor blockade (increased appetite). Sedation, drowsiness, memory impairment, dystonia, dyskinesia, hallucinations, mydriasis, dry eye, weight gain.
Promethazine class
Anti-cholinergic +++ / Sedation +++
Anti-cholinergic +++ / Sedation ++
Little CNS penetration
Other action: anti-motion sickness
Doxylamine class
SE: > placebo = viral infection, N/V, dysmenorrhea, drowsiness, dyspepsia, and fatigue
HintAnswer
Brompheniramine class
Other action: Anti-serotonin action and weight gain
Anti-cholinergic + / Sedation ++
Other action: OTC 'cold' med
Agents with local anesthetic effect via sodium channel blockage in nerves
SE: high dose sedation
Class with anti-parkinsonian effects
Drug interactions: metabolized by CYP, inhibitors, and inducers effect therapy and toxicity
May inhibit absorption of other drugs through active transport mechanism and CYP metabolism
Drug interactions: metabolized in the liver, DOA 4-6 hours, caution w/ drug sedative drug combos and antimuscarinic drugs. Lethal ventricular arrhythmias --> prolonged QT.
Hydroxyzine class
Anti-cholinergic - / Sedation +++
Cyclizine class
Meclizine class
SE: flushing hypotension, tachycardia, HA, wheal and flare reactions, bronchoconstriction, GI upset
Not very useful except for inducing bronchial hyperreactivity to check pulmonary function
Fexofenadine class
Other action: Anti-emetic
Release inhibitors used in asthma and AR
Loratodine class
SE: muscarinic receptor blockage: dry mouth, urinary retention, constipation, ED, blurred vision, ST; alpha receptor blockade: orthostatic hypotension, reflex tachycardia;
Physiologic antagonist for anaphylaxis

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