ExoticRx · exoticrx.com/drugs/sulfadimethoxine
US brand names:Albon
Sulfadimethoxine is dosed at 50 mg/kg PO q24h × 3-5 days, then q48h prn in ball pythons, per Klingenberg RJ. Understanding Reptile Parasites, Advanced Vivarium Systems, Irvine, CA; 2007:1-200. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.232 — Carpenter's Exotic Animal Formulary 6th ed, Table 4.4 (Antiparasitic Agents Used in Reptiles). The copy held is an ebook conversion with no printed page numbers, so the table — not the page — is the citable location. — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929. Verify against current literature before clinical use.
Inhibits dihydropteroate synthase in the folate synthesis pathway. Long-acting sulfonamide with bacteriostatic activity.
Ensure adequate hydration (crystalluria risk). Monitor CBC with prolonged use. KCS risk in dogs. Avoid in animals with hepatic disease.
Each ExoticRx dose rule is graded by the strength of its primary evidence — see the editorial process.
A dog/cat sample is shown here. Cited dosing for all 28 species — reptiles, birds, pocket pets, livestock, and equine — is free on the per-species pages above. Pro adds the weight-based calculator for every species.
| Species | Route | Dose | Frequency | Evidence | Source |
|---|---|---|---|---|---|
| Dog (Domestic) | PO | 55 mg/kg | q24h (loading), then q24h maintenance at half dose | Strong | ALBON - Sulfadimethoxine Tablet [US Product Label for Dogs and Cats]. Zoetis; 2019. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=adc0eb45-6378-4702-817a-764ddb5ae605 — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.1225 (2026-08-01). — Plumb's 10th ed (held) printed p.1198, Sulfadimethoxine monograph spanning p.1197-1199; page located 2026-08-05 from the book's own running heads, and carries this exact dose under the matching species heading. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 |
| Cat (Domestic) | PO | 27.5–55 mg/kg | 55 mg/kg PO once on day 1, then 27.5 mg/kg PO q24h |
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View PlansSource citations and evidence levels available on the live page. Reference only — verify against current literature before clinical use.
Species references:All African Grey Parrot drugsAll African Pygmy Hedgehog drugsAll Ball Python drugsAll Bearded Dragon drugsAll Blue-tongue Skink drugsAll Cat (Domestic) drugsAll Cattle (Beef/Dairy) drugsAll Chinchilla drugsAll Corn Snake drugsAll Crested Gecko drugsAll Degu drugsAll Dog (Domestic) drugsAll Dwarf Hamster drugsAll Eastern Box Turtle drugsAll Ferret drugsAll Goat (Caprine) drugsAll Great Horned Owl drugsAll Guinea Pig drugsAll Harris Hawk drugsAll Leopard Gecko drugsAll Mouse drugsAll Peregrine Falcon drugsAll Pet Rat drugsAll Rabbit (Domestic) drugsAll Red-tailed Hawk drugsAll Russian Tortoise drugsAll Sulcata Tortoise drugsAll Zebra Finch drugs
| Plumb's Veterinary Drug Handbook 10th ed., Sulfadimethoxine, Dosages > DOGS/CATS, printed p.1198 (corpus p.1225); ref 15 = ALBON - Sulfadimethoxine Tablet [US Product Label for Dogs and Cats]. Zoetis; 2019 — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 — DURATION, from the FDA ALBON label (NADA 015-102 / 043-785): "Length of treatment depends on the clinical response. In most cases treatment for 3-5 days is […]" The label prints no fixed 10-14 day course; that figure was not sourced. |