Cenforce 120 has been clinically proven to be effective in treating ED by improving erectile function in men. It helps men achieve firm and sustainable erections, leading to improved physical performance and satisfaction. When used as directed and under medical supervision, Cenforce 120 has a generally favorable safety profile. However, like any medication, it may cause side effects in some individuals, such as headache, flushing, indigestion, nasal congestion, or dizziness. Serious side effects are rare but can occur, so it's crucial to report any concerns to a healthcare provider promptly.