Cenforce 120 can be used to treat sexual problems in men. The drug contains an active ingredient called sildenafil, which increases blood flow to the penile arteries and relaxes the muscles. This medicine can be used 1 hour before sexual activity. The effect of this medicine is seen within 30 minutes. This medicine can be used before or after meals. This medicine is recommended only for men aged 18 or older. This medicine should always be used as per the doctor’s advice.