This launch further expands the role of community pharmacy and we hope that it will play a part in reducing pressures on the overall healthcare system. Boots is the leading pharmacy-led health and beauty retailer in the UK with over 2, stores, making this medicine widely accessible. J Gen Int Med ;— If you have an erection that lasts more than 4 hours, get medical help right away. The four main medicines taken by mouth for erectile dysfunction are: Avanafil Stendra.Currently, there are no over the counter alternatives to Viagra available. Viagra (sildenafil) is a prescription medication, meaning it’s not available over the counter from your local. Optum Store Sildenafil If you are experiencing the symptoms of erectile dysfunction (ED), you may have considered using Viagra or a similar ED medication as a possible treatment. But if. Is there an over-the-counter Viagra? Viagra is only available with a prescription in the United States, Canada, and most other countries. Viagra is sold under the generic name sildenafil.