Sleep deprivation increases the production of cortisol, a stress hormone that just makes you less interested in sexual activity. Staxyn is designed to be dissolved on the tongue, rather than swallowed with water. You might decide against buying Viagra Connect from the pharmacy, perhaps because you feel you need a different dose of Viagra, maybe you want a more cost-effective ED treatment or maybe the discretion of an online solution is more appealing to you. The PDE5 inhibitors such as Sildenafil and Tadalafil are the pick of the bunch — being just as effective as the original branded Viagra. Otherwise, Viagra and Viagra Connect are both taken in the same way: one tablet about an hour before sex — and only one tablet per day. The effectiveness of these infusions has never been studied.14th July Manual Health Centre See your GP for a prescription. A prescription from your GP may allow you to get Viagra (or unbranded Sildenafil) for a lower cost than over-the-counter Viagra Connect. Clinically proven to treat men with erectile dysfunction (ED) Ongoing commitment to product quality and safety monitoring Learn More IF YOU CHOOSE BRAND-NAME VIAGRA, MAKE SURE YOU GET THE BRAND NAME Your prescription may have been filled with a generic version instead of brand-name VIAGRA. Viagra vs. over-the-counter products. Many over-the-counter (OTC) products may be advertised to help with ED. Examples of these products include: dehydroepiandrosterone (DHEA) ginseng;.