비아그라는 무엇을 의미합니까?
The following nonprescription or herbal items may possibly communicate with sildenafil: cimetidine (Tagamet HB), St. John's wort. Make sure you Allow your health care provider and pharmacist know that you will be using these prescription drugs Before you begin getting sildenafil.Sildenafil improves the outcome of NO by inhibiting phosphodiesterase