Medically reviewed by Patricia Mikula, PharmD Key Takeaways Cialis lasts up to 36 hours, making it a long-acting option.Viagra works faster, with effects in 30 minutes, but lasts only about four hours ...

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 ...

CHICAGO (Reuters) - Healthy men who took Cialis or Viagra daily for six months did not develop any significant vision problems, U.S. researchers said on Monday in a company-funded study aimed at ...

To facilitate sex after prostate cancer and speed the restoration of natural erections, Dr. Samadi often recommends PDE-5 (phosphodiesterase) inhibitors such as Viagra, Levitra, and Cialis, as a first ...

In the study, those who has at least one prescription for such erectile dysfunction medications had a 17% lower incidence of heart failure, a 15% lower incidence of getting a coronary ...

It’s a big problem — and it’s growing even bigger. Social media users are being bombarded with advertisements for easy access to erectile dysfunction drugs like Viagra and Cialis, along with ...

SAN FRANCISCO (CN) – With billions of dollars on the line for two of the world's largest pharmaceutical firms, a medical researcher testified Tuesday of a "plausible" link between erectile dysfunction ...

SAN FRANCISCO (CN) – Pushing back on claims that Viagra and Cialis accelerate the progression of skin cancer, an oncologist testified Thursday that she studied the data and found no plausible link ...

CHICAGO, April 13 (Reuters) - Healthy men who took Cialis or Viagra daily for six months did not develop any significant vision problems, U.S. researchers said on Monday in a company-funded study ...