Atropine Sulfate Dosing for dogs, Cats, Horses, Cattle, Pigs By Weight
Important Safety Information
Note that in large animals, atropine has a potent effect on inhibiting gastrointestinal motility.
Use with caution and adjust dosage based on clinical response and patient condition.
Reference Source
Saunders Handbook of VETERINARY DRUGS, Page 88-89
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Standard Dosage Guidelines
Small Animal Dosage
| Species | Indication | Route | Dosage | Frequency |
|---|---|---|---|---|
| Dogs | Routine use | IV, IM, SQ | 0.02-0.04 mg/kg | q6-8h |
| Sinus bradycardia | IV, IM, SQ | 0.005-0.01 mg/kg | As needed | |
| CPR | IV, IM, SQ | 0.04 mg/kg | During CPR | |
| Toxicosis | IV, IM, SQ | 0.2-0.5 mg/kg | As needed | |
| Cats | Routine use | IV, IM, SQ | 0.02-0.04 mg/kg | q6-8h |
| Toxicosis | IV, IM, SQ | 0.2-0.5 mg/kg | As needed |
Large Animal Dosage
| Species | Route | Dosage | Frequency |
|---|---|---|---|
| Horses | IV, IM, SQ | 0.02-0.04 mg/kg | As needed |
| Cattle | IV, IM, SQ | 0.02-0.04 mg/kg | As needed |
| Pigs (Adult) | IV, IM, SQ | 0.02-0.04 mg/kg | As needed |