Causes and symptoms. The most common cause of pyelonephritis is the backward flow (reflux) of infected urine from the bladder to the upper urinary tract. Bacterial infections also may be carried to one or both kidneys through the bloodstream or lymph glands from infection that began in the bladder.
Diastat is generally well-tolerated. The most common side effect reported during research studies was sleepiness. Since it is given after a seizure, it may be hard to tell if sleepiness is due to the seizure or the medicine.
When taken at high doses, simvastatin may be more likely to cause muscle pain than other statins. The more common side effects of taking higher doses of this drug also include: dizziness ; fast or irregular heartbeat ; Pravastatin . People taking pravastatin have reported fewer muscle aches and other side effects.