Tiopronindosage
tiopronin 100 MG Oral Tablet
Dosage and administration
2.1 Recommended
Dosage 2.2 Monitoring
2.1 Recommended
Dosage Adults: The recommended initial dosage in adult patients is 800 mg/day. In clinical studies, the average dosage was about 1,000 mg/day.
Pediatrics: The recommended initial dosage in pediatric patients weighing 20 kg and greater is 15 mg/kg/day. Avoid dosages greater than 50 mg/kg per day in pediatric patients. Administer THIOLA in 3 divided doses at the same times each day at least one hour before or 2 hours after meals. Consider starting THIOLA at a lower dosage in patients with history of severe toxicity to d-penicillamine.
2.2 Monitoring
Measure urinary cystine 1 month after starting THIOLA and every 3 months thereafter. Adjust THIOLA dosage to maintain urinary cystine concentration less than 250 mg/L. Assess for proteinuria before treatment and every 3 to 6 months during treatment. Discontinue THIOLA in patients who develop proteinuria, and monitor urinary protein and renal function. Consider restarting THIOLA treatment at a lower dosage after resolution of proteinuria. ------------------------------------------DOSAGE AND ADMINISTRATION-------------------------------------
The recommended initial dosage in adult patients is 800 mg/day. In clinical studies, the average dosage was about 1,000 mg/day.
The recommended initial dosage in pediatric patients 20 kg and greater is 15 mg/kg/day. Avoid dosages greater than 50 mg/kg per day in pediatric patients.
Administer THIOLA in 3 divided doses at the same times each day at least one hour before or 2 hours after meals.
Measure urinary cystine 1 month after initiation of THIOLA and every 3 months thereafter.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective September 25, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
This page reproduces regulatory text for reference. It is not medical advice, and KenyRx is not a pharmacy or a prescriber. Talk to a doctor or pharmacist about whether a medicine is right for you.
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