ExoticRx · exoticrx.com/drugs/psyllium-husk-supplement
US brand names:Metamucil Vet, Vetasyl
Psyllium Husk (Supplement) is dosed at 1–4 teaspoon (~3.4 g) per meal PO with every meal; start at 1/4-1/2 and titrate in cats, per Plumb's Veterinary Drug Handbook, 10th ed (2023, held copy; the original seed cited the 9th, which was never consulted) — corpus p.1118 (plumb), located 2026-08-05 by exact figure+drug match (unique, drug within 49 chars). — located 2026-08-05 in Plumb's 10th ed, Psyllium monograph, printed p.1090-1091; the earlier note claiming no held source contained this figure was wrong and has been removed. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 — Plumb's Veterinary Drug Handbook, 10th ed (held), Psyllium monograph, printed p.1091 (corpus PDF p.1118), CATS: "Chronic constipation (extra-label): 1 - 4 teaspoons (5 to 20 cc) per meal added to canned cat food." [INDICATION NARROWED 2026-08-12, two readers — "megacolon" appears nowhere in the cited monograph.]. Verify against current literature before clinical use.
Hydrophilic mucilloid that absorbs water in the GI tract, forming a gel that increases fecal bulk, softens stool, and promotes regular peristalsis.
Must be given with adequate water to prevent obstruction. Start with low dose and increase gradually. May delay absorption of concurrently administered drugs.
Species references:All Cat (Domestic) drugs
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A dog/cat sample is shown here. Cited dosing for all 1 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 |
|---|---|---|---|---|---|
| Cat (Domestic) | PO | 1–4 teaspoon (~3.4 g) per meal | with every meal; start at 1/4-1/2 and titrate | Moderate | Plumb's Veterinary Drug Handbook, 10th ed (2023, held copy; the original seed cited the 9th, which was never consulted) — corpus p.1118 (plumb), located 2026-08-05 by exact figure+drug match (unique, drug within 49 chars). — located 2026-08-05 in Plumb's 10th ed, Psyllium monograph, printed p.1090-1091; the earlier note claiming no held source contained this figure was wrong and has been removed. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 — Plumb's Veterinary Drug Handbook, 10th ed (held), Psyllium monograph, printed p.1091 (corpus PDF p.1118), CATS: "Chronic constipation (extra-label): 1 - 4 teaspoons (5 to 20 cc) per meal added to canned cat food." [INDICATION NARROWED 2026-08-12, two readers — "megacolon" appears nowhere in the cited monograph.] |
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View PlansSource citations and evidence levels available on the live page. Reference only — verify against current literature before clinical use.