This helps men get or maintain an erection. Malegra 100 that drug changes in sexual. It relaxes the muscles. Known as sildenafil. This drug is well absorbed in the body. Gives more work in men. The effect lasts for 4 hours. The drug works in phosphodiesterase type 5 (PDE 5). Do not take that medicine if it is not for erectile dysfunction treatment. The medicine that works in the blood volume in the body. To be taken only once in 24 hours. Take that drug information rhythm.