Cenforce 100 is a modern analog of Viagra. This pill is safe to take, but there are some side effects to be aware of. If your erection is prolonged or lasts longer than six hours, you may suffer from priapism. This medication's most common side effects are heavy eyes and mild headaches. It is also important to seek medical advice if you are taking other medications to treat erectile dysfunction. visit also: Cenforce | Cenforce 150 | Vidalista | Vidalista 20 | Super P Force