Our attorneys are investigating an Elmiron lawsuit after new research found that the drug may cause serious vision loss. If you or a loved one has taken Elmiron to treat chronic bladder pain or arthritis, please contact us.

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Elmiron Side Effects include Vision Loss, Studies Find

HealthDay reports that “[t]he widely used bladder drug Elmiron may cause eye damage” according to a new study in 2019.

This research builds on a 2018 study, which found “that the drug — known as pentosan polysulfate sodium and used by hundreds of thousands of people for decades — may be toxic to the retina,” according to HealthDay.

After reviewing the 2018 study, three eye specialists (ophthalmologists) at Kaiser Permanente in Northern California examined a database of 4.3 million Kaiser patients, HealthDay reports. The researchers identified patients who had been taking Elmiron for 15 years or longer, and asked them undergo an eye exam, HealthDay reports.

After examining detailed images of the back of the patients’ eyes, the researchers concluded that 24% of the long-term Elmiron users showed “clear signs of eye damage,” HealthDay says. The prevalence of eye damage was even higher among patients who took larger doses of Elmiron (1,500 grams or more): 42% of such patients had eye damage from “Elmiron toxicity,” accordingt o HealthDay.

One of the study authors said:

“It’s unfortunate. You have a patient with a chronic condition like interstitial cystitis, for which there is no cure and no effective treatment. They get put on these medications because it’s thought to have few side effects and few risks, and no one thinks about it again. And year after year, the number of pills they’re taking goes up and up.”

According to HealthDay, Dr. Robin Vora, one of the study authors, said that “[i]t’s unclear how much Elmiron is too much, so patients who show no signs of toxicity should be screened for retinal damage at least once a year.”

Our Elmiron Lawsuit Attorneys

Eric Gibbs

A founding partner at the firm, Eric has negotiated groundbreaking settlements that resulted in reforms to business practices, and have favorably shaped the laws impacting plaintiffs’ legal rights.

Karen Barth Menzies

Karen Menzies has more than twenty years of experience in federal and state mass tort litigation. Courts throughout the country have appointed Karen to serve in case leadership positions.

Amy Zeman

Amy Zeman represents clients in a wide variety of class actions and medical mass torts, including individuals harmed by transvaginal mesh and a variation of different birth control pills.

Steve Lopez

Steve Lopez represents consumers, employees, and whistleblowers harmed by corporate misconduct. He has prosecuted a variety of consumer protection and complex employment cases.

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