Drug | Dogs | Cats | Ferrets | Rabbits | Horses | Cattle | Pigs |
---|---|---|---|---|---|---|---|
Opioid Analgesicsa | |||||||
Buprenorphine | 0.01–0.02 mg/kg, SC, bid | 0.01–0.03 mg/kg, SC or IM, bid | 0.01–0.03 mg/kg, IV, IM, or SC, bid-tid | 0.02–0.05 mg/kg, SC, IM, or IV, bid | 0.005–0.02 mg/kg, IM or IV, bid-qid | ||
Butorphanol tartrate | 0.2–0.4 mg/kg, IM or SC; 0.55 mg/kg, PO, every 6–12 hr | 0.1–0.2 mg/kg, IV; 0.2–0.4 mg/kg, IM or SC, every 4 hr | 0.05–0.4 mg/kg, IM, every 4–6 hr | 0.1–0.5 mg/kg, IV, every 4 hr | 0.05–0.1 mg/kg, IV, IM, or SC | Adult: 20–30 mg, IV, jugular | 0.1–0.3 mg/kg, IM |
Medetomidine | 0.002–0.03 mg/kg, IM, IV, or SC | 0.002–0.03 mg/kg, IM, IV, or SC | |||||
Meperidine hydrochloride | 2–10 mg/kg, IM or SC, every 2 hr | 2–5 mg/kg, IM or SC, every 2 hr | 2–5 mg/kg, IM or SC, every 2–4 hr | 5–10 mg/kg, IM or SC, every 2–3 hr | 0.2–0.4 mg/kg, IV; 1–3 mg/kg, IM or SC | 500 mg/cow, IV slowly, IM or SC | 1–2 mg/kg, IM or IV |
Morphine sulfate | 0.22–0.88 mg/kg, IM, IV slowly, or SC, every 4–6 hr as needed | 0.1 mg/kg, IM or SC, as needed | 0.5–5 mg/kg, IM or SC, qid | 2–5 mg/kg, SC or IM, every 2–4 hr | 0.2 mg/kg, IV; 0.2–0.4 mg/kg, IM | 0.2–1 mg/kg, IM, every 4 hr | |
Nalbuphine | 0.5–2 mg/kg, SC, every 4–8 hr | 1.5–3 mg/kg, IV, every 3 hr | 1–2 mg/kg, IV, every 4 hr | ||||
Oxymorphone hydrochloride | 0.05–0.1 mg/kg, IV, IM, or SC, every 1–3 hr | 0.025–0.05 mg/kg, IV, IM, or SC | 0.05–0.2 mg/kg, IV or IM, bid-qid | 0.1–0.2 mg/kg, IM, every 2–4 hr | 0.02–0.03 mg/kg, IV or IM | 0.075 mg/kg, IM | |
Pentazocine lactate | 2–3 mg/kg, IM, every 4 hr; 15 mg/kg, PO, tid | 5–10 mg/kg, SC or IM, every 4 hr | 10–20 mg/kg, SC or IM, every 4 hr; 5 mg/kg, IV, every 2–4 hr | 0.33 mg/kg, IV | 2–5 mg/kg, IM, every 4 hr | ||
Nonopioid Sedative Analgesics | |||||||
Xylazine hydrochloride | 0.5–1 mg/kg, IV; 1–2 mg/kg, IM or SC | 0.5–1 mg/kg, IV; 1–2 mg/kg, IM or SC | 1 mg/kg, IM or SC | 0.1–1 mg/kg, IV; 0.5–1 mg/kg, IM or SC | 0.05–0.1 mg/kg, IV; 0.1–0.2 mg/kg, IM | 2 mg/kg, IM | |
Detomidine | 0.02–0.04 mg/kg, IV or IM | ||||||
Nonpsychotropic Analgesics | |||||||
Acetaminophen | 15 mg/kg, PO, qid as needed | Contraindicated | |||||
Aspirin | 10–25 mg/kg, PO, bid | 10 mg/kg, PO, every 48 hr | 0.5–20 mg/kg, PO, once to three times daily | 5–20 mg/kg/day, PO | 30–47.5 mg/kg, PO, bid-qid | 26 mg/kg, IV; 100–124 mg/kg, PO, bid | 10–20 mg/kg, PO, every 4 hr as needed |
Carprofen | 4 mg/kg/day, IV or SC | 4 mg/kg/day, IV or SC | 1.5 mg/kg, PO, bid | 0.7 mg/kg/day, IV, IM, or SC | 0.7 mg/kg/day, IV, IM, or SC | ||
Dipyrone | 28 mg/kg, IV, IM, SC, or PO, tid | 28 mg/kg, IV, IM, SC, or PO, tid | 5–10 g/horse, IV or IM, tid as needed | 50 mg/kg, IV, IM, or SC | 50 mg/kg, IV, IM, or SC | ||
Flunixin meglumine | 1–2 mg/kg/day, PO, IV, or IM, up to 3 days; use of flunixin meglumine in dogs has decreased since the introduction of other NSAIDs with higher therapeutic indexes. | Use of flunixin meglumine in cats has decreased since the introduction of other NSAIDs with higher therapeutic indexes. | 0.5–2 mg/kg, SC, once to twice daily | 1.1 mg/kg, SC or IM, bid | 1–2.2 mg/kg, IV; 2.2 mg/kg/day, IM or PO | 1.1–2.2 mg/kg, IM or PO, once to three times daily | 1–2 mg/kg/day, IV or IM |
Ketoprofen | 2 mg/kg/day, SC, IM, or IV, up to 3 days; 1 mg/kg/day, PO, up to 5 days | 1 mg/kg/day, SC up to 3 days, or PO up to 5 days | 3 mg/kg, IM | 2.2 mg/kg/day, IV | 2.2 mg/kg, IV; 3 mg/kg/day, IM | ||
Meclofenamic acid | 2.2 mg/kg/day, PO | 2.2 mg/kg/day, PO | 2.2 mg/kg/day, PO | ||||
Phenylbutazone | 15–22 mg/kg, PO; 15 mg/kg, IV, bid-tid (maximum 0.8 g/dog/day or 44 mg/kg/day); use of phenylbutazone in dogs has decreased since the introduction of other NSAIDs with better safety margins. | 15 mg/kg, IV, tid; 10–14 mg/kg, PO, bid; use of phenylbutazone in cats has decreased since the introduction of other NSAIDs with better safety margins. | 4.4 mg/kg, PO, bid on day 1; 2.2 mg/kg, PO, bid for 4 days; 2.2 mg/kg, PO, daily or every other day | 2–5 mg/kg, IV; 4–8 mg/kg, PO | 2–5 mg/kg, IV; 4–8 mg/kg, PO | ||
a Recommended dosages of opiates may produce excitement in cats and horses. |