Are Over-the-Counter Painkillers Harming Your Kidneys?

Painkillers are an everyday reality—be it for headaches, aching joints, or fever. Numerous individuals pop OTC painkillers without even realizing it. But have you ever heard that taking certain painkillers regularly or in excess can damage your kidneys?
How Painkillers Harm the Kidneys
Your kidneys remove waste products from the blood and regulate fluid and electrolyte balance. Some painkillers, called nonsteroidal anti-inflammatory drugs (NSAIDs) - including ibuprofen, naproxen, and diclofenac—decrease kidney blood flow, particularly when taken regularly or in large amounts. This can cause damage to the kidneys over time.
Who is at Risk?
Anyone may get kidney difficulties from misuse of painkillers, but it is more likely in:
- Those with existing kidney disease – The less efficient kidneys leave them more susceptible.
- Older people – Growing older decreases the efficiency of the kidneys.
- Those with diabetes or high blood pressure – These diseases already make the kidneys work harder.
- People who are dehydrated – Painkillers can also slow down kidney function if the body is not having sufficient fluids.
Symptoms of Kidney Damage due to Painkillers
Kidney damage usually takes place quietly, with no indication in the early stages. Yet, as time goes on and the condition develops, you will experience:
Less urine production
Swollen legs, feet, or face
Weakness or fatigue
Nausea and loss of appetite
Shortness of breath
If you have these symptoms, see a nephrologist or urologist at once.

How to Use Painkillers Safely:
- Use them only when you need them – Do not take them long term without a doctor's advice.
- Take them as directed – Never take more than the recommended or OTC dose.
- Drink water – Stay well hydrated to aid the kidneys.
- Think of alternatives – Attempt physical therapy, hot/cold packs, or other pain relief techniques.
- Ask your doctor – If you have kidney disease, diabetes, or high blood pressure, ask your doctor about safer alternatives for pain relief.

Painkillers are convenient, but take them responsibly. They can harm your kidneys over time if you use them regularly or in excess, and cause you serious health issues. Take care about what you consume, adhere to dosage guidelines, and consult a doctor if you need to use painkillers for a long time. Your kidneys will be grateful!
-With inouts from Dr. Shyam Varma, Consultant, Urologist and Renal Transplant surgeon, Kokilaben Dhirubhai Amabni Hospital, Mumbai