Analgesics: These relieve pain, but have no effect on inflammation. Examples include Tylenol, Ultram, and Vicodin, Lortab, which contain Oxycontin or hydrocodone. L-arginine is so effective simply because it will help with the release of nitric oxide. Reduced ranges of L-Arginine can lead as a result to decreased libido. Ruth Purple is a successful Relationship Coach who has been helping and coaching individuals and couples for many years.