Sulfasalazine

Dogs and cats: 10–30 mg/kg, PO, q 8–12 h for 4–6 weeks; then decrease or discontinue while maintaining dietary management

Mesalamine

Dogs: 12.5 mg/kg, PO, q 12 h

Olsalazine

Dogs: 5–20 mg/kg, PO, q 8 h

Tylosin

Dogs: 20 mg/kg, PO, q 8–12 h

Metronidazole

Dogs and cats: 10–15 mg/kg, PO, q 8–24 h

PredniSONE

Dogs: 1–2 mg/kg, PO, q 48 h

PredniSOLONE

Cats and horses: 1–2 mg/kg, PO, q 24–48 h

Budesonide

Dogs and cats: 3 mg/m², PO, q 24 h (also see associated reference guide)

Raw linseed oil

Horses: 30 mL in the feed, q 24 h

Azathioprine

Dogs and cats: 50 mg/m²or 2 mg/kg, PO, q 24 h for 2 wk, then q 48 h

Chlorambucil

Dogs and cats: 2 mg/m², PO, q 48 h

Cyclosporine

Dogs: 5 mg/kg, PO, q 24 h for 4–6 wk, then decrease to lowest effective dose

Cats: 7 mg/kg, PO, q 24 h for 4–6 wk, then decrease to lowest effective dose