This article was reviewed by Kelly Brown MD, MBA. Whether you’re a senior in high school or a senior-living resident, you’ve likely heard of Viagra (sildenafil) — the original medication for ED.
The main difference between Cialis and Viagra is how long each lasts. Cialis stays in your system for up to 36 hours, and you ...
Your healthcare provider will prescribe Revatio or Viagra based on what condition you have. This article will compare the ...