Prescription
PDE5 inhibitor (erectile dysfunction medicine)
Tadalafil
Last reviewed April 2026
Who is this for?
What is this drug?
Tadalafil is a medicine that relaxes blood vessels and increases blood flow to certain parts of the body, especially the penis, helping men achieve and maintain an erection when sexually aroused.
What is it used for?
Erectile dysfunction (difficulty getting or keeping an erection)enlarged prostate symptoms (difficulty urinatingweak urine flow)
Prescription Required
A doctor's prescription is required to obtain this drug legally.