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This medication is used to prevent kidney stones in patients with a certain inherited disorder (cystinuria). Cystinuria occurs when there is too much of a certain natural substance (the amino acid cystine) in the urine, leading to formation of kidney stones. Tiopronin works by making cystine more dissolvable in the urine.This medication is usually used only after other methods are not successful in preventing kidney stones (e.g., drinking plenty of water, alkali therapy, special diet) or when patients cannot take the usual medication (d-penicillamine) for cystinuria.
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| Overview |
Photos |
How To Use |
Side Effects |
Precautions |
Missed Dose |
Drug Interactions |
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Tiopronin
Uses
This medication is used to prevent kidney stones in patients with a certain inherited disorder (cystinuria). Cystinuria occurs when there is too much of a certain natural substance (the amino acid cystine) in the urine, leading to formation of kidney stones. Tiopronin works by making cystine more dissolvable in the urine.This medication is usually used only after other methods are not successful in preventing kidney stones (e.g., drinking plenty of water, alkali therapy, special diet) or when patients cannot take the usual medication (d-penicillamine) for cystinuria.
Notes
- Do not share this medication with others.Laboratory and/or medical tests (e.g., urine cystine levels, urinalysis, liver function test, complete blood count, platelet count) should be performed periodically to monitor your progress or check for side effects.
- Consult your doctor for more details.
Storage
- Store at room temperature at 77 degrees F (25 degrees C) away from light and moisture.
- Brief storage between 59-86 degrees F (15-30 degrees C) is permitted.
- Do not store in the bathroom.
- Keep all medicines away from children and pets.
How To Use
- Take this medication by mouth 1 hour before or 2 hours after meals, usually 3 times daily or as directed by your doctor.Continue to drink plenty of water (e.g., 2 glasses of water with each meal, at bedtime, and during the night) and to take the alkali medication (e.g., potassium citrate) as directed by your doctor.
- Closely follow the diet recommended by your doctor.Dosage is based on your medical condition and response to therapy.
- In children, the dose is also based on weight.Use this medication regularly to get the most benefit from it.
- To help you remember, take it at the same times each day.Inform your doctor if your condition persists or worsens.
Side Effects
- Decreased sense of taste/smell, nausea, vomiting, loss of appetite, abdominal pain, or diarrhea may occur.
- If any of these effects persist or worsen, tell your doctor or pharmacist promptly.Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects.
- Many people using this medication do not have serious side effects.Tell your doctor immediately if any of these unlikely but serious side effects occur: signs of infection (e.g., fever, persistent sore throat), muscle/joint pain, swelling of lymph nodes, wrinkling/thinning skin, tiredness, fast/pounding heartbeat, easy bruising/bleeding, coughing up blood, change in the amount of urine, painful urination, dark/cloudy/bloody urine, shortness of breath, muscle weakness, seizures, numbness/tingling of the arms/legs.Tell your doctor immediately if any of these rare but very serious side effects occur: yellowing skin/eyes, persistent nausea/vomiting, severe abdominal/stomach pain.A very serious allergic reaction to this drug is rare.
- However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching, swelling, severe dizziness, trouble breathing.If you notice other effects not listed above, contact your doctor or pharmacist.
Precautions
- Before taking tiopronin, tell your doctor or pharmacist if you are allergic to this medication or have had very severe side effects (e.g., blood disorders) from it; or if you have any other allergies.Before using this medication, tell your doctor or pharmacist your medical history, especially of: blood disorders (e.g., anemia, low platelet count), liver disease, kidney disease.During pregnancy, this medication should be used only when clearly needed.
- Discuss the risks and benefits with your doctor.This drug may pass into breast milk and could have undesirable effects on a nursing infant.
- Therefore, breast-feeding is not recommended while using this drug.
- Consult your doctor before breast-feeding.
Missed Dose
- If you miss a dose, take it as soon as you remember.
- If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule.
- Do not double the dose to catch up.
Drug Interactions
- Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them.
- Do not start, stop, or change the dosage of any medicine before checking with your doctor or pharmacist first.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use.
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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgement of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.
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