Antidepressants

Clomipramine

Dogs: 1–3 mg/kg, PO, q 12 h

Cats: 0.5–1.5 mg/kg, PO, q 24 h

Amitriptyline

1–3 mg/kg, PO, q 12 h

Doxepin

0.5–2 mg/kg, PO, q 12 h

Fluoxetine

1 mg/kg, PO, q 24 h

Anxiolytics

Diazepam

1–2 mg/kg, PO, q 12 h*

Phenobarbital

Dogs: 0.5–2.2 mg/kg, PO, q 12 h

Cats: 15 mg/cat, PO, twice weekly

Hydroxyzine

2.2 mg/kg, PO or IV, q 8 h

Opiate Antagonists

Naltrexone

2.2 mg/kg, PO, q 24 h