Doramectin

0.3 mg/kg, IM (repeat in 10–14 d for sarcoptic mange)

Most helminth infections

May be less irritating than ivermectin when injected

Fenbendazole

3 mg/kg, PO, q 24 h for 3 d

Whipworms

Ivermectin

0.3 mg/kg, PO, IM, or SC (repeat in 10–14 d for sarcoptic mange)

Most helminth infections

PO dosing is ineffective for sarcoptic mange; injection causes signs of discomfort

Pyrantel pamoate

6.6 mg/kg, PO, as needed

Ascarids and nodular worms

Sulfadimethoxine

25 mg/kg, PO

Coccidiosis