Megalis 10 is a pill to be taken by mouth for the treatment for erectile dysfunction. It contains the active ingredient Tadalafil 10mg. Tadalafil relaxes muscles found in the walls of blood vessels and increases blood flow to particular areas of the body. Megalisis a quickest acting medication and its impact remains for 24-48 hours. Tadalafil is a Phosphodiesterase (PDE-5) inhibitor. PDE-5 inhibitor serves to unwind the smooth muscles of the male regenerative system. This relaxed muscle enlarges the blood vessel entry and upgrades the blood stream to the penis and encourages getting an erection hard enough for agreeable physical intercourse. Tadalafil acts like characteristic stimulant and has vasodilatation impact, expands sperm creation, and builds stamina in amid love making. It is a more secure prescription with fewer symptoms.