Brief Answer: Kidney stones. Urinalysis and Ultrasound, Culture Detailed Answer: Hello, I have gone through your query and understand your concern. Blacks specs in the urine is usually due to Kidney disorders. It can be due to presence of stones, infection or inflammation in the urinary tract as ureter. These black specks could be small stones or more likely small blood clots (which can be caused by the microtrauma to the ureters from the stones). If there are other symptoms such as fever, back pain present along then possibility if infection is likely. Please do the following investigation 1. Urinalysis 2. Ultrasound abdomen and pelvis 3. Urine culture. These investigations will be helpful to rule out any stones, infection. Please consult a urologist with investigation reports. Hope this helps. Please write back for further queries. Wishing you good health.

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