A member asked:

What is l-arginine how effective is it and are there any side effects?

A doctor has provided 1 answer
Dr. Jan Lei Iwata answered

Specializes in Ophthalmology

Effective for cold: Sores by mouth, if taken early enough, and is an amino acid, so it's relatively safe to take. Seem to be a popular home remedy. However, if you are using for something else, then it may or may not be effective depending on the diagnosis. So, if it's in the groin area, it may not be as effective. Make sure your pcp can check your area of concern to diagnose it and treat it quickly.

Answered 3/25/2014

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