Drug Reference

Psyllium

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OTC

Fact box

Habit forming
No
Availability
Over-the-counter (OTC)

Brand names

HydrocilKonsylMetamucilMucilinReguloidWal-Mucil

Available as

6000 MG · Powder3500 MG · Powder525 MG · Oral Capsule400 MG · Oral Capsule2500 MG500 MG · Oral Capsule2450 MG · Powder2000 MG4200 MG · Powder3000 MG · Powder3400 MG60 MG · Oral Capsule520 MG · Oral Capsule3400 MG · Powder4100 MG · Powder

FDA label sections are from openFDA and may not reflect the most recent labeling — confirm against the current DailyMed label.

Uses
Uses: ▪ for relief of occasional constipation (irregularity) ▪ generally produces bowel movement in 12-72 hours
How to use / dosing
Directions: Put one dose into an empty glass. Mix this product (child or adult dose) with at least 8 ounces (a full glass) of water or other fluid. Taking this product without enough liquid may cause choking. See choking warning. Stir briskly and drink promptly. If mixture thickens, add more liquid and stir. Adults & children 12 years & older: 1 rounded tablespoon in 8 ounces of liquid at the first sign of irregularity. Can be taken up to 3 times daily. Children 6-11 yrs : ½ adult dose in 8 ounces of liquid, up to 3 times daily Children under 6 yrs: Consult a doctor Bulk-forming fibers like psyllium husk may affect how well other medicines work. If you are taking a prescription medicine by mouth, take this product at least 2 hours before or 2 hours after the prescribed medicine. New Users: Start with 1 serving per day; gradually increased to desired daily intake. You may initially experience changes in bowel habits or minor bloating, as your body adjusts to increased fiber intake.

Safety advice

Conservative summary derived from FDA labeling — defaults to “consult your doctor” unless the label is explicit. Not a substitute for your clinician’s advice.

PregnancyNo information
No specific information in the FDA label.
BreastfeedingNo information
No specific information in the FDA label. Check LactMed →
AlcoholNo information
No specific information in the FDA label.
DrivingNo information
No specific information in the FDA label.
KidneyNo information
No specific information in the FDA label.
LiverNo information
No specific information in the FDA label.
Warnings & precautions
Warnings: Choking: Taking this product without adequate fluid may cause it to swell and block your throat or esophagus and may cause choking. Do not take this product if you have difficulty in swallowing. If you experience chest pain, vomiting, or difficulty in swallowing or breathing after taking this product, seek immediate medical attention. Allergy alert: This product may cause allergic reaction in people sensitive to inhaled or ingested psyllium. Ask a doctor before use if you have ▪ a sudden change in bowel habits persisting for 2 weeks ▪ abdominal pain, nausea or vomiting Stop use and ask a doctor if ▪ constipation lasts more than 7 days ▪ rectal bleeding occurs These may be signs of a serious condition. Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away at 1-800-222-1222.
Current FDA labels (DailyMed)

32 marketed products on record (RxNorm)

Authoritative sources

Reference only — not clinical advice. Verify against current FDA labeling and consult a licensed provider. About half of pediatric drug use is off-label and is not reflected in FDA labels; absence of pediatric information does not mean a medicine is unused or unsafe in children.