[1] Notable direct causes of hyperuricosuria are dissolution of uric acid crystals in the kidneys or urinary bladder, and hyperuricemia.
Notable indirect causes include uricosuric drugs, rapid breakdown of bodily tissues containing large quantities of DNA and RNA, and a diet high in purine.
Medications that may contribute to the cure or amelioration of hyperuricosuria include allopurinol which acts by inhibiting xanthine oxidase and reducing uric acid production.
This syndrome appears not to contribute to gout and to uric acid nephrolithiasis, which is evidence that these two conditions have chronic, not acute, causes.
If neither hyperuricemia nor gout is present, then the risk of uric acid nephrolithiasis can be reduced by the use of antiuricosuric drugs.