GLP 1 & Weight Loss

Does Semaglutide Affect Your Kidneys?

Linda Girgis | MD

Medically reviewed by Linda Girgis | MD, Girgis Family Medicine on August 20th, 2026.

Yes, semaglutide can affect your kidneys, though significant issues are rare in most patients. The medication may cause mild kidney function changes, particularly in people with existing kidney disease or severe dehydration from nausea and vomiting. Clinical studies show that serious kidney problems occur in less than 1% of users. However, semaglutide may actually provide some kidney protection for people with diabetes by improving blood sugar control. Your doctor will monitor your kidney function through regular blood tests, especially if you have pre-existing kidney conditions. We recommend discussing any kidney concerns with our medical team before starting semaglutide to ensure safe monitoring throughout your treatment.

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