Health Conditions

Lower tract infections are UTIs that occur in the bladder, urethra, prostate (in men), or epididymis (also in men--a system of ducts that emerges from the testicle that holds sperm). An upper tract infection, or pyelonephritis, occurs in the kidney itself or the surrounding tissues. Pyelonephritis is generally more severe and requires a longer period of treatment than a lower tract infection.

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Note: The above information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist, or other healthcare professional. It is not intended to diagnose a health condition, but it can be used as a guide to help you decide if you should seek professional treatment or to help you learn more about your condition once it has been diagnosed.