Theophylline Dosing for Dogs, Cats, Horses, Cattle By Weight
Important Safety Information
IV administration in horses may cause transient excitement and restlessness - administer slowly.
For cats on long-term sustained-release therapy, dosing interval may be increased to every 48 hours.
In cattle with viral infections, decrease frequency to once every 24 hours.
Reference Source
Saunders Handbook of VETERINARY DRUGS, Page 798-800
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Standard Dosage Guidelines
Small Animal Dosage
| Species | Route | Dosage | Frequency |
|---|---|---|---|
| Dogs | PO (immediate-release) | 9 mg/kg | q6-8h |
| PO (sustained-release) | 10 mg/kg | q12h | |
| Cats | PO (immediate-release) | 4 mg/kg | q8-12h |
| PO (sustained-release) | 20-25 mg/kg | q24h (may increase to q48h with long-term use) |
Large Animal Dosage
| Species | Route | Dosage | Frequency |
|---|---|---|---|
| Horses | PO | 5 mg/kg | q12h |
| IV | 5 mg/kg | Administer slowly (may cause transient excitement) | |
| Cattle | PO | 20 mg/kg | q12h (decrease to q24h for viral infections) |