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 ...

Both Cialis and tadalafil are prescription-only medications. This means that you cannot buy them unless you have a valid prescription from a doctor — any online or in-person pharmacy that offers ...

As of 2017, even Pfizer released its own generic version of Viagra to compete with other companies selling cheaper products.

The spend of $84.2m was for that year, but the newspaper also reported that $294m had been spent on Viagra, Cialis and other such medications since 2011. It pointed out that this cost the ...