Psyllium

Plantago ovata

Evidence: AFamily: Plantaginaceae

Mucilaginous seed husk providing bulk-forming fiber; flagship herb for equine sand colic prevention and bowel regulation in dogs, cats, and small mammals. Always with water.

Consult Your Veterinarian First

This information is for educational purposes only. Always consult a qualified veterinarian before using herbal remedies for your pet — especially if they are on medication, pregnant, or have existing health conditions.

Species Safety

An herb safe for one species may be toxic to another.

Dogs

Safe

Duration: long term

Pregnancy: safeYoung: safe

Cats

Safe

Duration: long term

Pregnancy: safeYoung: safe

Horses

Safe

Duration: long term

Pregnancy: safeYoung: safe

Rabbits

Use Caution

Duration: short term

Pregnancy: safeYoung: caution

Birds

Use Caution

Duration: short term

Pregnancy: safeYoung: caution

Guinea Pigs

Use Caution

Duration: short term

Pregnancy: safeYoung: caution

Dosing Guide

General guidance only — always consult your veterinarian.

SpeciesFormDoseFrequencyNotes
Dogsdried herb0.5-1 tsp /kgtwice dailyPer 10kg; mix with wet food and add extra water. Start low for gas tolerance.
Horsesdried herb100-500 gramsonce dailyFor 450kg horse; sand colic protocol 7 days monthly; mix with wet feed.
Catsdried herb0.125-0.5 tsp /kgonce dailyPer 5kg; always mix with wet food; hairball and constipation relief.

Active Compounds

Arabinoxylan(mucilage)
Mucilage(mucilage)
Aucubin(glycoside)
Plantago mucopolysaccharides(mucilage)

Compounds marked Cat Unsafe (phenols and many terpenes) cannot be metabolized by feline livers.

Safety Warnings

Surgery Warning

ALWAYS administer with abundant water. Dry psyllium can cause choking or obstruction.

Essential Oil Form

Strong clinical evidence for equine sand colic; robust data for constipation and bulk laxation across species.

Quick Info

Plant Family

Plantaginaceae

Parts Used

seed

Available Forms

dried herb, capsule, soft chew

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