VIAGRA - AN OVERVIEW

The following nonprescription or herbal merchandise could interact with sildenafil: cimetidine (Tagamet HB), St. John's wort. Be sure to Allow your health practitioner and pharmacist know that you'll be having these drugs Before you begin using sildenafil.Also, N-desmethyl metabolite AUC and Cmax values substantially amplified by 200% and 79%, resp