References. 1  Shmerling RH. Approach to the patient with myalgia. http://www.uptodate.com/home. 2  LeBlond RF, et al., eds. The spine, pelvis and extremities. 3  Muscle cramps. Merck Manual Professional Version. 4  Sprains, strains and other soft tissue injuries. American Academy of Orthopaedic Surgeons.
Freebase(0.00 / 0 votes)Rate this definition: Hydronephrosis â literally water inside the kidney â refers to distension and dilation of the renal pelvis and calyces, usually caused by obstruction of the free flow of urine from the kidney. Untreated, it leads to progressive atrophy of the kidney.
Hydronephrosis is a condition of the kidneys and causes aching or pain, urinary symptoms, fever, and nausea. Inflammatory bowel disease causes swelling and symptoms such as cramping, chronic diarrhea, and bleeding. Iron poisoning causes abdominal pain, vomiting, diarrhea, lethargy, and dehydration.