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
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Where to buy
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.