Capsule, Oral Suspension, Transdermal gel
Chlorpheniramine (Chlortrimeton, Aller-Chlor) is an antihistamine used for allergies and itching. It is occasionally used as a tranquilizer to calm excited animals.
If a dose is missed, 2 doses should not be given at once.
Sleepiness, sedation, decreased urination, dry mouth. Cats may become unusually excited while taking this medication