We found 5 over-the-counter alternatives to Viagra ... You need a prescription to get Viagra in the United States, Canada, and most other countries. Viagra is also available in the generic form ...
Viagra and sildenafil are effective treatment options for ED, but they both require a prescription. As a result, you cannot buy them over the counter (OTC) — they require a consultation with a ...
Vardenafil typically starts working faster, around 15 to 30 minutes after ingestion, while sildenafil may take ... know about ...
Luckily, most potential adverse effects of sildenafil are mild and resolve on their own over time ... an estimated 30 million ...