Therapeutic Classification: ocular agents
Pharmacologic Classification: antihistamines
Absorption: Some systemic absorption follows ophthalmic administration.
Distribution: Unknown.
Metabolism/Excretion: Minimally metabolized by the liver; 7590% excreted unchanged in urine.
Half-Life: Uknown.
(antihistaminic activity)
| ROUTE | ONSET | PEAK | DURATION |
|---|
| ophth | within 15 min | 12 hr‡ | 12 hr |