Viagra versus cialis
However Cialis typically allows you to achieve erections for up to 36 hours after taking a tablet. Viagra remains effective for 4 to 6 hours, which offers ample opportunity to have sex on multiple occasions if you wish. Cialis lasts longer in the body than Viagra (about 18 hours . Apr 27, · Cialis (tadalafil) and Viagra (sildenafil) treat impotence (erectile dysfunction, ED) and enlarged prostate (BPH). The expiration date was extended in after a settlement was reached between the manufacturer of Cialis, Eli Lilly and Compa. The patent for Cialis will expire on September 27, at the earliest. Cialis lasts up to 36 hours in the body, while Viagra lasts 4–6 hours in the body. Both are taken 30 minutes before. They're both PDE5 inhibitors. Discreet Packaging. Free & Private Online Consultant with Real Doctors. Reliable E.D. Meds Shipped Discreetly. Save Time & Money and Get Your ED Meds Prescription & Refills Online. Cialis lasts longer in the body than Viagra (about 18 hours compared to ) so it can allow one to sustain an erection longer. Cialis (tadalafil) and Viagra (sildenafil) treat impotence (erectile dysfunction, ED) and enlarged prostate (BPH). The longer cGMP persists, the more prolonged the engorgement of the penis. QUESTION. Thus, Cialis and Viagra prevent the destruction of cGMP and allows cGMP to accumulate and persist longer. Cialis and Viagra inhibit an enzyme called phosphodiesterase-5 (PDE5) which destroys the cGMP. Jul 29, · However, in general, Cialis is longer lasting and a better choice for weekends that could involve multiple sexual encounters, whereas Viagra is usually a better choice . · Cialis lasts for around 36 hours compared with only 4 to 5 hours for Viagra. Official answer · Both only work when a man is sexually aroused. Check out side-by-side comparisons of all four drugs. If you buy through links on this pag. Viagra, Cialis, Levitra, and Stendra are oral medications for treating erectile dysfunction. We include products we think are useful for our readers.