Table 18.
Anticholinergic and antihistamine agents.
| N (%) | |
|---|---|
| Diphenhydramine | 331 (57.1) |
| Hydroxyzine | 92 (15.9) |
| Doxylamine | 32 (5.5) |
| Chlorpheniramine | 20 (3.4) |
| Benztropine | 15 (2.6) |
| Loratadine | 11 (1.9) |
| Cetirizine | 11 (1.9) |
| Promethazine | 10 (1.7) |
| Anticholinergic unspecified | 8 (1.4) |
| Dimenhydrinate | 8 (1.4) |
| Dicyclomine | 7 (1.2) |
| Pyrilamine | 6 (1.0) |
| Miscellaneousa | 29 (5) |
| Class total | 580 (100) |
aIncludes brompheniramine, oxybutynin, atropine, cyproheptadine, fexofenadine, glycopyrrolate, hyoscyamine, meclizine, antihistamine unspecified, cyclopentolate, tolterodine, and solifenacin