Tadalafil, the main ingredient in CIALIS 20mg, is a member of the class of medications known as phosphodiesterase type 5 inhibitors. CIALIS functions by assisting your penis's blood vessels to relax after sexual stimulation, enabling blood to flow into your penis. Better erectile function is the outcome of this.

Tadalafil Uses
Tadalafil is used for erectile dysfunction.

How Tadalafil works
An inhibitor of phosphodiesterase (PDE-5) is tadalafil. It treats erectile dysfunction by relaxing the muscles in the penile blood arteries, which increases blood flow to the penis. It aids in reducing urinary symptoms in patients with benign prostatic hyperplasia (BPH) by relaxing the muscles in the bladder and prostate gland. 

Common side effects of Tadalafil
Flushing (sense of warmth in the face, ears, neck, and trunk), Headache, Blurred vision, Muscle pain, Upset stomach, Rash

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