About pentosan
Urinary bladder protectant
Used for
- Relief of bladder pain and urinary symptoms associated with interstitial cystitis.
Usual adult dose
100 mg by mouth three times daily, usually for at least three months.
Common side effects
- Hair loss
- Diarrhea, nausea, or stomach discomfort
- Headache
- Bruising or bleeding
Important warnings
- Can increase bleeding risk; use caution with bleeding disorders or blood-thinning medicines.
- Long-term use is linked to retinal damage and vision changes.
- Periodic eye examinations are recommended during treatment.
- Improvement may take several months; benefit is not assured.
Pregnancy
Human pregnancy data are limited; use only when the expected benefit justifies potential risk.
Breastfeeding
It is unknown whether pentosan passes into breast milk; effects on nursing infants are uncertain.
Interactions
- Anticoagulants and antiplatelet medicines may increase bleeding risk.
- Other medicines that increase bleeding, including NSAIDs, may raise bleeding risk.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.