what causes the lower back to bruise over the kidneys
Bruised Kidney: Symptoms (From a Fall, Pain) Diagnosis, Treatment & Healing Time Bruising (discoloration) of the skin is yet another common bruised kidney symptom, usually being experienced at the point of impact e.g. where the impact of the seat belt was absorbed. Other symptoms of a kidney bruising include nausea, vomiting, blood in the urine, and muscle spasms in the lower back area. Severe cases of kidney contusion can also cause other secondary symptoms such as low blood pressure, anemia, usually as a result of losing too much blood.