- A bruised kidney may be asymptomatic if the healthy kidney resumes normal function, or may result in chronic symptoms of weight loss, fatigue, constipation and irritability.
- Severe kidney bruising due to inflammation or injury may cause abdominal and back pain, bloody or cloudy urine, nausea, vomiting, painful urination and fever, signifying an emergency.
- Sharp and sudden side pangs within the lower abdomen may be accompanied by painful or frequent urination, chills and fever, indicating a kidney infection, stone or bruised kidney, requiring treatment.
- Signs and symptoms of kidney bruising necessitate medical attention, as kidney function is needed for filtering fluids and wastes in prevention of toxicity and vital organ damage.
- Doctors conduct exams looking for signs of hemorrhaging, tenderness or shock, with blood tests, imaging tests, abdominal and kidney scans and ultrasounds providing further assistance in diagnosing kidney bruising.