Buy Cenforce Online It is a medication commonly used to treat erectile dysfunction (ED) in men. Sildenafil Citrate Cenforce is primarily prescribed for erectile dysfunction (ED) and can also be used to treat pulmonary arterial hypertension in some cases, though this is less common. Cenforce is available in various strengths taken about 30 minutes to 1 hour before sexual activity, but a healthcare provider will tailor the dose according to individual needs. It enhances the effects of nitric oxide, a natural chemical the body produces that relaxes muscles in the penis, increasing blood flow. This action helps men achieve and maintain an erection when sexually aroused.