Sildenafil is used for the treatment of erectile dysfunction (ED). It increases blood flow to the penis following sexual stimulation and allows men to keep an erection hard enough for sex. It is also used to treat the signs and symptoms of benign prostatic hyperplasia (BPH).
It comes as tablets that you swallow with water. It can be taken with or without food.

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lawn greeningSildenafil belongs to a group of medicines called phosphodiesterase 5 (PDE5) inhibitors. If you have erectile dysfunction, it works by temporarily increasing blood flow to the penis when you get sexually excited. It helps reduce symptoms of an enlarged prostate gland, such as difficulty peeing or needing to pee urgently, by relaxing the muscles in the prostate and bladder. It helps pulmonary hypertension by relaxing blood vessels in the chest.


You can take Sildenafil as needed or once a day, depending on the dose and how it's prescribed. It takes from 30 minutes to 2 hours to take effect. It can last up to 36 hours. Sildenafil is a PDE5 inhibitor medication approved for use for erectile dysfunction (ED) and benign prostatic hyperplasia.


  • It usually takes 30 to 60 minutes for Sildenafil to work for erectile dysfunction. You can take it once a day, at least 30 minutes before you want to have sex. Keep all medicines out of the reach of children.


  • Can Sildenafil really make you bigger? As welcome as that may or may not be, it just isn't the case. This and similar ED medications affect the blood flow to your penis, not its physical size. Yet people taking medication for erectile dysfunction sometimes get a feeling of being bigger.


  • Sildenafil works well for erectile dysfunction. In general, more than 6 in 10 men say they have harder erections after taking it. If Sildenafil does not work for you, it may be because: you have not waited long enough after taking it before trying to have sex you have waited too long after taking it to have sex the dose is not high enough you're not sexually aroused enough.


  • Because the efficacy of concurrent use of Sildenafil and alpha-blockers in the treatment of benign prostatic hyperplasia (BPH) has not been adequately studied and due to the potential vasodilatory effects of such combination treatment, it is not recommended for use with alpha-blockers when treating BPH


Get up-to-date information on side effects, uses, dosage, overdose, pregnancy, alcohol and more. Learn more about Sildenafil. It can cause your blood pressure to drop suddenly to an unsafe level if it is taken with certain other medicines. You could get dizzy, faint, or have a heart attack or stroke. Do not take it if you take any medicines called “nitrates.” Nitrates are commonly used to treat angina. Angina is a symptom of heart disease and can cause pain in your chest, jaw, or down your arm.