Cat · Felis catus · typical adult weight 2.50–7.00 kg
Aminophylline is dosed at 5–6 mg/kg IV q12h in cats, per Plumb's 10th ed printed p.53, Aminophylline monograph spanning p.53-55. Aminophylline is used in cats for Acute bronchospasm, Feline asthma (adjunct bronchodilator). Routes documented in cats: IV, PO. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 2 cited dose rules for Aminophylline in cats, drawn from published veterinary references. Verify against current literature before clinical use.
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| IV | 5–6 mg/kg | q12h | Emergency; transition to oral | Acute bronchospasm | Moderate | Plumb's 10th ed printed p.53, Aminophylline monograph spanning p.53-55.Compilation only — we have not located an independent source that prints this figure. |
| PO | 5 mg/kg | q12h | Chronic |
| Feline asthma (adjunct bronchodilator) |
| Weak |
| BSAVA Small Animal Formulary, 10th ed, Part A (Canine and Feline), Aminophylline, printed p.20Compilation only — we have not located an independent source that prints this figure. |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 5 | PO | BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.36 | 5 mg/kg p.o. q12h or 2-5 mg/kg slowly i.v. (diluted) for emergency bronchodilation. |
| 2–5 | IV | BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.36 | 5 mg/kg p.o. q12h or 2-5 mg/kg slowly i.v. (diluted) for emergency bronchodilation. |
| 10 | IM | Papich Saunders Handbook of Veterinary Drugs, 4th edp.58 | • 10 mg/kg q8h IM, or IV. • 6.6 mg/kg q12h, IM or IV. |
| 6.6 | IM | Papich Saunders Handbook of Veterinary Drugs, 4th edp.58 | • 10 mg/kg q8h IM, or IV. • 6.6 mg/kg q12h, IM or IV. |
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Phosphodiesterase inhibitor and adenosine receptor antagonist. Relaxes bronchial smooth muscle, stimulates respiratory drive, and has mild diuretic effect.
Narrow therapeutic index. Monitor for tachycardia, GI upset, CNS stimulation, and seizures. Avoid concurrent fluoroquinolones (decreased metabolism). IV administration must be slow.
Species-specific contraindications and adverse-reaction reports for cats may differ from canine / feline reference data — consult the primary citations listed with each rule.
Aminophylline dose ranges in cats, with cited source references: IV 5–6 mg/kg q12h; PO 5 mg/kg q12h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Aminophylline in cats: IV, PO.
Cited course lengths for Aminophylline in cats include: Emergency; transition to oral; Chronic. Duration depends on the indication — match it to the specific dose rule in the table above.
Aminophylline is indicated in cats for: Acute bronchospasm, Feline asthma (adjunct bronchodilator).
These are general warnings for Aminophylline across species; consult the cat dosing table above for species-specific guidance. Narrow therapeutic index. Monitor for tachycardia, GI upset, CNS stimulation, and seizures. Avoid concurrent fluoroquinolones (decreased metabolism). IV administration must be slow.
Why a species-specific page? Aminophylline pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in cats — the rules above are the citations specific to this species, not generic recommendations.
Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.
Figures are transcribed from the cited page or table of each held edition and are shown for reference only. They are not dose recommendations, they do not feed the calculator, and none has been reviewed by a veterinarian.