Viagra (sildenafil) and Cialis (tadalafil) are leading phosphodiesterase-5 (PDE5) inhibitors prescribed for erectile dysfunction (ED). Both enhance blood flow to the penis during sexual stimulation ...

Have you taken brand name Cialis or Viagra and felt like you had a hangover? That “Viagra hangover” might actually be a headache from Viagra, and it’s a common side effect of this and other ...

NEW YORK (Reuters Health) - A long-acting drug for erectile dysfunction is safe and effective for men with spinal cord injuries who have difficulty achieving erections, a new study shows. A total of ...

Like Viagra, Stendra and Levitra, Cialis is highly effective as a treatment for ED. But no medication has a 100 percent success rate, and Cialis is no exception. Even after you take Cialis, you could ...

LONDON, June 25 (Reuters) - European officials have approved a once-daily version of impotence pill Cialis. The drug's maker, Eli Lilly and Co. , said on Monday that the green light from the European ...

If you've spent any time researching ED treatments online, you've probably noticed that most options ask you to pick one: ...