비아그라 - 개요

The next nonprescription or herbal items could interact with sildenafil: cimetidine (Tagamet HB), St. John's wort. Make sure to Allow your medical doctor and pharmacist know that you're taking these prescription drugs before you start using sildenafil.Even though this total dosage produced plasma sildenafil concentrations which were being approxima

When the cGMP is ruined by the phosphodiesterase-5 enzyme, the erection finishes. Viagra helps prevent phosphodiesterase-5 from destroying cGMP so cGMP stays all over lengthier, which leads to a more prolonged erection. It’s crucial to recognize that compared with Viagra, these solutions usually are not accepted from the Food items and Drug Admi