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DƯỢC LÍ Goodman & Gilman's The Pharmacological Basis of Therapeutics 12th, 2010

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Table 32–2

Preparations and Dosage of Representative H 1

Receptor Antagonists a

CLASS AND

DURATION

NONPROPRIETARY OF ACTION, SINGLE DOSE

NAME TRADE NAME HOURS b PREPARATIONS c (ADULT)

First-Generation Agents

Tricyclic Dibenzoxepins

Doxepin HCl SINEQUAN 6-24 O, L, T 10-150 mg

Ethanolamines

Carbinoxamine maleate RONDEC, f others 3-6 O, L 4-8 mg

Clemastine fumarate TAVIST, others 12 O, L 1.34-2.68 mg

Diphenhydramine HCl BENADRYL, others 12 O, L, I, T 25-50 mg

Dimenhydrinate e DRAMAMINE, others 4-6 O, L, I 50-100 mg

Ethylenediamines

Pyrilamine maleate POLY–HISTINE-D f 4-6 O, L, T 25-50 mg

Tripelennamine HCl PBZ 4-6 O 25-50 mg, 100 mg

(SR)

Tripelennamine citrate PBZ 4-6 L 37.5-75 mg

Alkylamines

Chlorpheniramine CHLOR-TRIMETON, 24 O, L, I 4 mg

maleate others 8-12 mg (SR)

5-20 mg (I)

Brompheniramine BROMPHEN, 4-6 O, L, I 4 mg

maleate others 8-12 mg (SR)

5-20 mg (I)

Piperazines

Hydroxyzine HCl ATARAX, others 6-24 O, L, I 25-100 mg

Hydroxyzine pamoate VISTARIL 6-24 O, L 25-100 mg

Cyclizine HCl MAREZINE 4-6 O 50 mg

Cyclizine lactate MAREZINE 4-6 I 50 mg

Meclizine HCl ANTIVERT, others 12-24 O 12.5-50 mg

Phenothiazines

Promethazine HCl PHENERGAN, others 4-6 O, L, I, S 12.5-50 mg

Piperidines

Cyproheptadine HCl g PERIACTIN 4-6 O, L 4 mg

Phenindamine tartrate NOLAHIST 4-6 O 25 mg

Second-Generation Agents

Tricyclic

Dibenzoxepins PATANOL 6-8 T One drop/eye

Olopatadine HCl PATANASE 6-8 T Two sprays/nostril

Alkylamines

Acrivastine d SEMPREX-D f 6-8 O 8 mg

Piperazines

Cetirizine HCl d ZYRTEC 12-24 O 5-10 mg

Levocetirizine HCl XYZAL 12-24 O 2.5-5 mg

(Continued )

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