Nephrolithiasis prevention
- Analyze stone type and 24-hour urine when recurrent
- Increase urine volume for nearly all stone formers
- Lower sodium; normalize—not eliminate—dietary calcium
- Thiazide lowers urinary calcium
- Potassium citrate treats hypocitraturia/uric-acid stones
- Allopurinol helps selected hyperuricosuric calcium stones
Use at a glance
- Analyze stone type and 24-hour urine when recurrent
Practical pearls
- Increase urine volume for nearly all stone formers
- Lower sodium; normalize—not eliminate—dietary calcium
Other practical pearls
- Thiazide lowers urinary calcium
- Potassium citrate treats hypocitraturia/uric-acid stones
Choosing treatment
- Allopurinol helps selected hyperuricosuric calcium stones
Self-check
- What is increased for nearly all stone formers?
Urine volume. - Should dietary calcium be eliminated for stone prevention?
No—normalize it.
Drugs used for this (1)
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