Thiola

Tiopronin is a prescription medication used to prevent kidney stones. Tiopronin belongs to a group of drugs called reducing agents. These work by binding to the compound that causes kidney stones and prevent stone formation.

This medication comes in tablet form and is typically taken 3 times a day at least 1 hour before or 2 hours after meals.

Common side effects of tiopronin include fever, rash, and reduced ability to taste.
 

Tiopronin is a prescription medication used to prevent kidney stones.

This medication may be prescribed for other uses. Ask your doctor or pharmacist for more information.

Serious side effects have been reported with tiopronin. See the “Drug Precautions” section.

Common side effects of tiopronin include the following:

• fever
• rash
• hypogeusia (reduced ability to taste)
• dry skin
• wrinkling of the skin
• joint pain
• enlarged or swollen lymph nodes
• nausea
• vomiting
• soft stools

This is not a complete list of tiopronin side effects. Ask your doctor or pharmacist for more information.

Tell your doctor if you have any side effect that bothers you or that does not go away.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.