Table 13.
Anticholinergics and antihistamines
| N (%) | |
|---|---|
| Diphenhydramine | 418 (58.2) |
| Hydroxyzine | 104 (14.5) |
| Benztropine | 35 (4.9) |
| Chlorpheniramine | 33 (4.6) |
| Doxylamine | 33 (4.6) |
| Promethazine | 32 (4.5) |
| Loratadine | 9 (1.3) |
| Antihistamine unspecified | 6 (0.8) |
| Oxybutynin | 6 (0.8) |
| Pyrilamine | 6 (0.8) |
| Anticholinergic unspecified | 5 (0.7) |
| Cyproheptadine | 5 (0.7) |
| Dicyclomine | 5 (0.7) |
| Miscellaneousa | 21 (2.9) |
| Class total | 718 (100) |
aIncludes cetirizine, atropine, brompheniramine, clinidium, fexofenadine, meclizine, tolterodine, glycopyrrolate, homatropine, hyoscyamine, and trospium chloride