Can painkillers cause kidney damage?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Yes, certain painkillers can damage your kidneys, particularly when taken frequently, in high doses, or in combination with other medications. NSAIDs (such as ibuprofen, naproxen, and aspirin) are the most common culprits, as they reduce blood flow to the kidneys and can lead to acute kidney injury or chronic kidney disease over time. Acetaminophen may also contribute to kidney problems with long-term or excessive use. People with existing kidney issues, dehydration, high blood pressure, or diabetes face the highest risk.

Because kidney damage often develops silently — without obvious symptoms until it's advanced — it's important to identify warning signs early. If you're taking painkillers regularly and experiencing symptoms like fatigue, swelling, changes in urination, or nausea, don't wait to find out what's going on. Take a free, instant, online symptom check to better understand your symptoms, assess your risk, and get clear guidance on your next steps. It only takes a few minutes and could help you catch a serious issue before it progresses.

Reviewed for medical accuracy: 07/15/2026

Important Next Steps

Learn if painkillers may harm your kidneys Discover if your pain means kidney damage Find out if painkillers need urgent care See OTC options for painkiller-related pain Find a doctor for kidney concerns Understand kidney-safe home remedies for pain Check for serious kidney symptoms now

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Explanation

Painkillers, also known as analgesics, can affect the kidneys, especially when used in high doses or over a long time. Some painkillers, like NSAIDs (non-steroidal anti-inflammatory drugs), can reduce blood flow to the kidneys. This can lead to kidney damage, especially in people who already have kidney problems. If you're experiencing persistent pain or concerning symptoms, consider using a free symptom checker to help identify potential causes and determine if you should consult a healthcare provider.

Key Points:

Combination Analgesics: Using different painkillers together can increase the risk of kidney damage. This is because they can have a stronger effect on the kidneys when combined.
Chronic Use: Regular use of painkillers over a long period can lead to chronic kidney disease. This is a condition where the kidneys do not work as well as they should.
NSAIDs: These are a common type of painkiller that can be harmful to the kidneys, particularly in people with existing kidney conditions.

It's important to use painkillers carefully and follow instructions from healthcare providers to avoid potential harm to the kidneys.

(References)

Duggin GG. (1996). Combination analgesic-induced kidney disease. American journal of kidney diseases : the official journal of the National Kidney Foundation, 8669429.
Sandler DP, Smith JC, Weinberg CR, Buckalew VM Jr, Dennis VW, Blythe WB, & Burgess WP. (1989). Analgesic use and chronic renal disease. The New England journal of medicine, 2651928.
Sriperumbuduri S, & Hiremath S. (2019). NSAIDs in chronic kidney disease. Current opinion in nephrology and hypertension, 30531470.

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