Psyllium for Constipation

Medically reviewed by a licensed pharmacist · Last reviewed 5/23/2026

Dose

1 rounded teaspoon (or 1 packet) in 8 oz water 1-3 times daily. Always take with a full glass of water. Onset is gradual (12-72 hours).

What to watch for

  • Bowel obstruction
  • Swallowing difficulty

Not for children under 6.

Sources

  • FDA OTC Monograph
  • American College of Obstetricians and Gynecologists

Where to buy

Buy at Amazon
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This page is for general education and is not medical advice. It does not replace a consultation with a licensed pharmacist or your clinician. Always read and follow the product label. If symptoms are severe, worsening, or persistent, seek professional care.