Peg 3350 for Constipation
Medically reviewed by a licensed pharmacist · Last reviewed 5/23/2026
Dose
17 grams (1 capful or 1 packet) dissolved in 4-8 oz of water, juice, or coffee, once daily. Most people see results in 1-3 days. Limit to 7 days OTC self-treatment.
What to watch for
- Bowel obstruction
Not for children under 17.
Sources
- FDA OTC Monograph
- American College of Obstetricians and Gynecologists
- American Academy of Family Physicians
Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. We may limit or otherwise restrict your access to the API in line with our Terms of Service.
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.