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Symptom Checker
Step 4: Read and complete the decision guide to learn more about your symptoms.
Understanding New and Severe Abdominal Pain
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It will not be possible to identify the most likely cause of your pain without a doctor's evaluation. Several explanations are possible. The most common conditions that result in pain in your flank are a kidney infection or kidney stone, a muscle strain, and a vertebral (spine) fracture caused by osteoporosis.
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