DIMETHYL SULFOXIDE
INDICATIONS AND USAGE RIMSO-50 ® (dimethyl sulfoxide) is indicated for the symptomatic relief of patients with interstitial cystitis. RIMSO-50 ® has not been approved as being safe and effective for any other indication. There is no clinical evidence of effectiveness of dimethyl sulfoxide in the treatment of bacterial infections of the urinary tract.
Medically reviewed by MedCentralHub Medical Review Board, Licensed Pharmacists & Physicians ·
Quick Reference

INDICATIONS AND USAGE RIMSO-50 ® (dimethyl sulfoxide) is indicated for the symptomatic relief of patients with interstitial cystitis. RIMSO-50 ® has not been approved as being safe and effective for any other indication. There is no clinical evidence of effectiveness of dimethyl sulfoxide in the treatment of bacterial infections of the urinary tract.
Rimso-50 (DIMETHYL SULFOXIDE) belongs to the General Medicine class of medications. It was first approved by the FDA in Yes. This medication requires a prescription from a licensed healthcare provider.
This is a summary only. Always read the full prescribing information and consult your healthcare provider for personalized medical advice.
Rimso-50 is prescribed for the following conditions. Some uses are FDA-approved indications; others may be evidence-based off-label uses. Consult your healthcare provider for personalized guidance.

The following are general dosing guidelines only. Your actual dose should be determined by your healthcare provider based on your condition, renal/hepatic function, and other medications.
DOSAGE AND ADMINISTRATION Instillation of 50 mL of RIMSO-50 ® (dimethyl sulfoxide) directly into the bladder may be accomplished by catheter or asepto syringe and allow to remain for 15 minutes. Application of an analgesic lubricant gel such as lidocaine jelly to the urethra is suggested prior to insertion of the catheter to avoid spasm. The medication is expelled by spontaneous voiding. It is recommended that the treatment be repeated every two weeks until maximum symptomatic relief is obtained. Thereafter, time intervals between therapy may be increased appropriately. Administration of oral analgesic medication or suppositories containing belladonna and opium prior to the instillation of RIMSO-50 ® can reduce bladder spasm. In patients with severe interstitial cystitis with very sensitive bladders, the initial treatment, and possibly the second and third (depending on patient response) should be done under anesthesia. (Saddle block has been suggested).
Available Forms
Available Strengths


Always inform your healthcare provider and pharmacist about ALL medications you take, including prescriptions, OTC medicines, vitamins, and supplements.
WARNINGS Dimethyl sulfoxide can initiate the liberation of histamine and there has been occasional hypersensitivity reaction with topical administration of dimethyl sulfoxide. This hypersensitivity has been reported in one patients receiving intravesical RIMSO-50 ® . The physician should be cognizant of this possibility in prescribing RIMSO-50 ® . If anaphylactoid symptoms develop, appropriate the


Many medications pass into breast milk in varying amounts. Before using Rimso-50while breastfeeding, discuss the benefits and risks with your healthcare provider or pharmacist — they can weigh your dose, your infant's age, and available lactation safety data to find the safest option for you and your baby.

Store at 20° to 25°C (68° to 77°F). [See USP Controlled Room Temperature.] Protect from strong light. For additional information concerning RIMSO-50®, contact Mylan Institutional LLC, Morgantown, WV 26505. Manufactured for: Mylan Institutional LLC Morgantown, WV 26505 U.S.A. Manufactured by: Mylan I
General Medicine alternatives
Compare all General Medicine medications — uses, side effects, and cost differences
Rimso-50 dosage guide
Adult, pediatric, renal, and hepatic dosing for Rimso-50
Rimso-50 side effects
Complete adverse effect profile including common, serious, and rare reactions
Last reviewed by MedCentralHub Medical Review Board · MedCentralHub Editorial Policy
Medical Disclaimer
The information on this page is for educational purposes only and is not intended as medical advice, diagnosis, or treatment. Always consult your doctor, pharmacist, or qualified healthcare provider before starting, stopping, or changing any medication.