How long does elmiron stay in your system?

Elmiron (pentosan polysulfate sodium) has a half-life of approximately 5 to 15 hours, meaning it takes that long for half of the drug to be eliminated from the body. However, it may take several days for Elmiron to be completely cleared from the system, depending on factors like dosage, duration of use, and individual metabolism. Generally, it can take about 5 to 7 half-lives for a drug to be eliminated, which suggests Elmiron could remain detectable in the body for about 1 to 3 days after the last dose.