The GPO insists the quality of locally made sildenafil is on a par with that of Viagra. I have to take Viagra to ‘compensate’ for the side effects of the daily medication I must take to control atrial fibrilation – an irregular heart beat. The GPO insists the quality of locally made sildenafil is on a par with that of Viagra. Children, and patients with heart disease can also share in this inspiring development. Children, and patients with heart disease can also share in this inspiring development.Where To Buy Legitimate Viagra In Bangkok Where To Buy Legitimate Viagra In Bangkok. By Robert, January 27, in Health and Medicine. Share More sharing options Followers 0. Reply to this topic; Start new topic; Recommended Posts. Robert 0 Posted January 27, Robert Newbie; Member; 0 3 posts;. reviews. 66 helpful votes. 5. Re: Kamagra/viagra. 6 years ago. Save. Yea was gonna say if you aint got a prescription you wont get any Viagra at a pharmacy. Same goes for . Avanafil (Stendra). Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called PDE5 inhibitors. They enhance the effects of a chemical the body makes that relaxes muscles in the penis, called nitric oxide. This boosts blood flow and helps you get an erection from sexual activity. How oral medicines differ.