What causes interstitial nephritis?
Interstitial nephritis can be caused by an infection, the use of a medicine or certain health conditions that affect the immune system, such as lupus. Infections associated with interstitial nephritis include herpes, mumps, hepatitis C, syphilis and human immunodeficiency virus (HIV). Medicines commonly associated with interstitial nephritis include certain antibiotics, such as penicillin, sulfonamides and cephalosporins. Many nonsteroidal anti-inflammatory drugs (NSAIDs) and certain diuretics (water pills) are also associated with interstitial nephritis. Interstitial nephritis may occur 2 or more weeks after you start a medicine. Talk to your doctor if you have any questions about a medicine you are taking. How can my doctor tell if I have interstitial nephritis? Your doctor will check your medical history and ask if you have experienced any of the following symptoms: • Increased or decreased urine output • Blood in your urine • Nausea or vomiting • Fever or rash • Changes in mental s
