Can you take naproxin when you only have one kidney?

Yes, you can generally take naproxen if you have one kidney, but it's essential to do so under medical supervision. Naproxen is a nonsteroidal anti-inflammatory drug (NSAID) that can affect kidney function, so your healthcare provider may want to monitor your kidney health closely. Always consult with your doctor before taking any medication, especially if you have existing kidney issues or other health concerns.