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Sildenafil Viagra

Sildenafil Viagra

sildenafil

sildenafil (viagra, revatio) is a moderately priced drug used to treat erection problems in men. it is also used to treat pulmonary arterial hypertension, a serious heart and lung condition. this drug is more popular than comparable drugs. it is available in generic and brand versions. generic sildenafil is covered by most medicare and insurance plans, but some pharmacy coupons or cash prices may be lower.

sildenafil is a medicine used to treat erectile dysfunction (sexual impotence). it increases blood flow to the penis to help men get an erection. at least two-thirds of men have improved erections after taking it. sildenafil is also sometimes used (in men and women) to treat pulmonary hypertension (high blood pressure in the blood vessels that supply the lungs). this medicine is available on prescription and can also be bought from most pharmacies. it comes as tablets that you swallow, chewable tablets and as a liquid that you drink.

key facts

it usually takes 30 to 60 minutes for sildenafil to work for erectile dysfunction. you can take it up to 4 hours before you want to have sex. taking sildenafil alone won't cause an erection. you need to be aroused for it to work. the most common side effects are headache, feeling sick, hot flushes and dizziness. many men have no side effects or only mild ones. it can be dangerous to take sildenafil if you also take medicines called nitrates (often given for chest pain). the combination can cause a dangerous fall in your blood pressure. if you're not sure if you're taking a nitrate, ask your doctor or pharmacist. sildenafil is called by the brand names viagra (for erectile dysfunction) and revatio (for pulmonary hypertension).

who can and can't take sildenafil

sildenafil for erectile dysfunction (viagra) can be taken by men aged 18 and over. it's not for women or children. sildenafil for pulmonary hypertension (revatio) can be taken by adults and children aged 1 and over. sildenafil isn't suitable for some people.

do not take sildenafil if you:

  • have had an allergic reaction to sildenafil (viagra) or any other medicines in the past
  • are taking medicines called nitrates for chest pain
  • have a serious heart or liver problem
  • have recently had a stroke or a heart attack
  • have low blood pressure
  • have a rare inherited eye disease, such as retinitis pigmentosa

check with your doctor before taking sildenafil if you:

  • have sickle cell anaemia (an abnormality of red blood cells), leukaemia (cancer of blood cells) or multiple myeloma (cancer of bone marrow)
  • have a deformity of your penis or peyronie's disease (curved penis)
  • have a heart problem - your doctor should carefully check whether your heart can take the additional strain of having sex
  • have a stomach ulcer, or a bleeding problem (such as haemophilia)

how much will i take for erectile dysfunction?

sildenafil tablets for erectile dysfunction come in different strengths ranging from 25mg to 100mg. the usual dose is 50mg, when you need it (no more than once a day). the dose can be increased to 100mg or decreased to 25mg depending on its effect. take sildenafil up to 4 hours before you want to have sex. for sildenafil to work properly, you'll need to be sexually excited.

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