Sulfanomide crystals are considered abnormal in urine. Appearance: flat needles, sheaves of small needles or as spheroids. Often brown in color. The presence of sulfanomide crystals ...

Sulfa crystals from the urinary sediment of a patient taking (sulfamethoxazol), These crystals resemble crystals of uric acid or calcium oxalate, but sulfa crystals are soluble in acetone     Sulfa ...