Sildenafil is in a category of remedies called PDE5 inhibitors. These medication prohibit the action of phosphodiesterase enzymes, which stop working cyclic guanosine monophosphate.ফার্মেসীর জন্য পাইকারি দামে ঔষধ কিনতে রেজিস্টেশন করুনImportant Increase in ni