Hey, here’s a great idea… make it possible for people to get Viagra over the counter! Over-the-counter (OTC) sales would help so many men who are too embarrassed to discuss ED with their doctors.
Viagra, of course, is the “little blue pill” that treats erectile dysfunction (ED). Derived from a research study for a blood pressure medication, it wasn’t good enough to become a standalone hypertension drug, but it did produce the humorous anecdote about so many of the men participating in the study snickering about all the erections they were having. And the rest, as they say, is history. It wasn’t long before other ED drugs hit the market to cash in on the lucrative market, filling the vacuum created by flaccidity. Vardenafil (Levitra) and tadalafil (Cialis) soon joined the ranks of options, tweaking the properties and earning patents in their own right.
With Pfizer’s own patent on sildenafil (generic for Viagra) set to run out in ...
What exactly does Erectile Dysfunction mean?
Erectile dysfunction (ED) is any type of problem getting or maintaining an erection that interferes with sexual intimacy. Along with decreased sex drive (libido) and abnormal ejaculation (premature ejaculation, delayed ejaculation, or inability to climax), ED is part of a broader spectrum called male sexual dysfunction.
What causes erections?
Erections are caused when blood flows from the hypogastric artery into the spongy tissues of the penis (corpora cavernosa and spongiosa) faster than flows out, much like filling a water balloon or an inner tube. It’s a pretty neat system, because the erection itself puts pressure against the draining veins, thereby maintaining the erection.
They begin by psychogenic causes such as erotic thoughts or visual. Auditory, or olfactory stimuli, even fantasy. The can also occur as a reflex by tactile (touching) stimuli. (Nocturnal erections, somehow associated with REM sleep, are ...