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Pentosan Polysulfate Sodium Dosage

Applies to the following strengths: 100 mg

The information at is not a substitute for medical advice. Always consult your doctor or pharmacist.

Usual Adult Dose for Cystitis

100 mg orally 3 times a day, taken with water at least 1 hour before or 2 hours after meals.

Renal Dose Adjustments

Data not available

Liver Dose Adjustments

Caution should be exercised when using pentosan polysulfate sodium in patients with hepatic insufficiency.

Dose Adjustments

Therapy assessment should be conducted at the end of 3 months of treatment. Therapy may be continued for another 3 months if no improvement was achieved and if limited adverse effects are not present.


Safety and effectiveness have not been established in pediatric patients less than 16 years of age.


Data not available

Other Comments

Patients should be reassessed at 3 and 6 months for adverse effects and/or signs of improvement. Patients not responding within 6 months were not continued during clinical trials.