L-Arginine Drug Interactions

L-Arginine Interactions Explained

The following sections explain in detail the potentially negative interactions that can occur when L-arginine is combined with any of the drugs listed above.
 
Blood Pressure Medications
Combining L-arginine with a high blood pressure medication may lower your blood pressure too much, possibly causing dizziness, lightheadedness, or other problems. If you take blood pressure medicine, check with your healthcare provider before taking L-arginine, as your blood pressure may need to be monitored more closely.
 
Erectile Dysfunction Medications
Theoretically, combining L-arginine with some erectile dysfunction (impotence) medications could cause dangerously low blood pressure. Do not combine L-arginine with these medications without your healthcare provider's approval and supervision.
 
Nitrates
Theoretically, combining L-arginine with nitrate medications could cause dangerously low blood pressure. Do not combine L-arginine with these medications without your healthcare provider's approval and supervision.
 

Final Thoughts on L-Arginine Drug Interactions

It is possible that not every drug interaction with L-arginine was discussed in this article. Therefore, you should talk with your pharmacist or healthcare provider about the L-arginine interactions that may apply to you.
 

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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;
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