[Prevention of urinary calculi with covalitin and by general measures].

The prophylaxis of the urinary lithiasis by means of drugs (alkalinisants, Eisemberg's syrup, allopurinol, etc.) obtains a very good result against uric acid and urate stones. The prevention of stones of oxalates, phosphates, carbonates, etc. is possible by trichlormethiazide (if hypercalciuria is present) and especially by a new drug, the Covalitin. Naturally diet and hydrotherapy. Decalogue for the stone's prophylaxis is done.