Tag: Does nitroglycerin cause headaches

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Does nitroglycerin cause headaches? Understanding the common side effect

Oct 8, 2025 •

5 min read

According to Drugs.com, up to 64% of patients taking nitroglycerin experience headaches, making it the most common side effect. This reaction is not a sign of a bad outcome but rather an indicator that the medication is actively working to dilate blood vessels.