However, the active components of Viagra and Cialis differ. Sildenafil is the PDE-5 inhibitor in Viagra, while tadalafil is the PDE-5 inhibitor in Cialis. Some guys may be more sensitive to one active component than another. However, because sildenafil and tadalafil function in the same way, they should never be used simultaneously.

How long does tadalafil 20 mg keep you going?

How long does Tadalafil 20 mg last? Unlike other PDE5 inhibitors, which must be taken within a specified time frame before sexual activity, Tadalafil is effective for a longer period of time. Tadalafil's effects last between 24 and 36 hours. Tadalafil might last up to 72 hours in rare circumstances.

Does tadalafil cause weight gain?

When compared to placebo-treated men, patients taking tadalafil daily showed a 4.1 mm less reduction in stretched penile length (SPL) at the end of 9 months. However, when compared to a placebo, using a greater dose of the medicine on an as-needed basis did not improve penile length.

What is the highest tadalafil strength?

It comes in four strengths: 2.5 milligrams (mg), 5 mg, 10 mg, and 20 mg. You'll take Cialis before sexual activity or once a day, depending on your situation and the ailment it's treating.