Sildenafil is also available through Rex MD for $2 per 20-mg dose or $6 per 50- or 100-mg dose. Shipping is free on all online prescriptions. Rex MD is an online prescription service for ED ...

A 20 mg dose may come in handy here ... A 2017 systematic review and meta-analysis compared sildenafil (the generic of Viagra ...

But a generic version (and the active ingredient) of this popular medication, sildenafil, is widely available from several drug manufacturers at a fraction of the cost. Here’s more about this ...

Healthcare providers can prescribe sildenafil tablets in different doses ... It’s also possible to be prescribed doses in ...