The information provided here is focused on helping individuals find reliable and accessible guidance on obtaining sildenafil and Viagra in conventional forms. Buying Viagra and Generic Options: Dosage and Availability Understanding the array of Viagra options, from various dosages to generic versions, will help you navigate your purchase safely and at the best possible price. Generic Viagra Dosages 100mg generic viagra 100mg viagra for sale: A higher dosage typically used when lower doses haven’t been effective. It’s available through pharmacies with a prescription. 50 milligram viagra 50mg generic viagra: Often the starting dose for treating erectile dysfunction, available with a prescription. Over-the-Counter Viagra Availability Are there any over the counter viagra: In the United States, there is no approved over-the-counter option for Viagra. Viagra Connect, a lower-dose version of sildenafil, is available without a prescription in the UK and some other countries.