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L-Arginine Drug Interactions

Blood pressure medications, PDE5 inhibitors, and nitrates can interact negatively with L-arginine. Drug interactions with L-arginine may result in dangerously low blood pressure, which could cause dizziness, lightheadedness, or other problems. To avoid these complications, you should not combine L-arginine with any of these medications without your healthcare provider's approval and supervision.

An Introduction to L-Arginine Drug Interactions

Even though it is a dietary supplement (not a "drug"), L-arginine can potentially interact with a few medicines. Some of the medicines that may lead to L-arginine drug interactions include:


  • Nitrates, such as:



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L-Arginine Supplements

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