Diseases
cystinuria
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Overview
Cystinuria is a rare condition in which stones made from an amino acid called cysteine form in the kidney, ureter, and bladder. Cystine is formed when two molecules of an amino acid called cysteine are bound together. The condition is passed down through families
Symptoms
- blood in the urine
- pain in the side or back
- pain in the pelvis, groin, genitals, or between the upper abdomen and back.
Causes
- too much cystine in the urine
- genetics
Risk factors
- genetics
Diagnosis
- abdominal ct scan, or ultrasound
- urinalysis
- 24-hour urine collection
- intravenous pyelogram (ivp)
Medicines used
Frequently asked questions
What is cystinuria?
Cystinuria is a rare condition in which stones made from an amino acid called cysteine form in the kidney, ureter, and bladder. Cystine is formed when two molecules of an amino acid called cysteine are bound together. The condition is passed down through families
What are the symptoms of cystinuria?
blood in the urine, pain in the side or back, pain in the pelvis, groin, genitals, or between the upper abdomen and back.
What causes cystinuria?
too much cystine in the urine; genetics
Which medicines are used for cystinuria?
penicillamine
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