Horses Recommended Analgesic & Anesthetic Agents

Drug

Dose (mg/kg)

Route

Pre-Anesthetic Medication

Atropine

0.01-0.02 mg/kg

IV

Sedatives/Tranquilizers

Acetylpromazine (Acepromazine)

0.01-0.05 mg/kg

IM, IV

Xylazine (Rompun)

1.1 mg/kg

IV

Xylazine (Rompun)

2.2 mg/kg

IM

Injectable Anethetics

Xylazine (Rompun) and Ketamine

1 mg/kg (Xyl); 2 mg/kg (Ket)

IV

Guaifenensin and Thiamylal

5%-3-5

IV

Inhalational Anesthetics

Induction

Maintenance

Isoflurane

Up to 5%

2-3%

Analgesics

Drug

Dose (mg/kg)

Route

Phenylbutazone (Butazolidin)

4.4-8.8 mg/kg PO or 3-6 mg/kg BID IV

PO SID or IV BID

Flunixin meglumine (Banamine)

1.1 mg/kg

IV or IM SID up to 5 days

Xylazine (Rompun)- colic

0.2-0.5 mg/kg IV; 0.6-1 mg/kg IM

IV or IM

Butorphanol (Torbutrol)

0.1 mg/kg IV q 3-4 hr

IM