What Are Some of Causes Microscopic Hematuria?


Quick Answer

Conditions that cause microscopic hematuria, or blood in the urine, include urinary tract infections, prostate enlargement, bladder or kidney stones, sickle cell anemia and other disorders. Hematuria can also result from consumption of some medications. Additional causes include blows to the kidney or excessive exercise, according to Mayo Clinic.

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Microscopic hematuria is the result of blood cells leaking into urine, reports Mayo Clinic. This bleeding is invisible to the naked eye. Other symptoms, such as painful urination, reduced urination, high blood pressure, swelling of extremities or fever, may provide clues about the underlying reason for bleeding. Treatment depends on the cause of hematuria.

Asymptomatic hematuria is often discovered incidentally during laboratory tests for other disorders. In these cases, microscopic hematuria may originate from myriad causes ranging from minor, transient conditions requiring no treatment to life-threatening disorders, according to American Family Physician. Bleeding can involve problems at any site in the urinary tract. Urinary tract bleeding usually requires further urological testing unless doctors can immediately identify the cause.

Medications that can cause hematuria include penicillin, sulfa drugs and blood thinners such as warfarin, heparin and some aspirin products, indicates Drugs.com. In this case, elimination of the drugs typically resolves the condition.

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