What are the effects of fasting on kidney function?

What are the effects of fasting on kidney function?

South Asian Health — Ramadan & Religious Fasting13 July 2026
Fasting during Ramadan can have various effects on kidney function. For most healthy individuals, short-term fasting is generally safe and may even promote kidney health by reducing inflammation and oxidative stress. However, for those with pre-existing kidney conditions, fasting can be challenging. It is crucial for these individuals to maintain adequate hydration during non-fasting hours and to follow a diet rich in essential nutrients. Dehydration can strain the kidneys, leading to complications. If you have kidney disease or any concerns, consult with your GP before deciding to fast. Monitoring your health and kidney function during Ramadan is essential.
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