Sildenafil has an average bioavailability of 41% (ranges from 25% to 63%) after oral administration of Viagra tablets
25 milligrams (mg) 50 mg 100 mg Typical dosages The following information describes commonly recommended dosages for ED
Approximately 50% of adult men over the age of 40 experience some amount of erectile dysfunction (ED), and the prevalence increases with age
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About 40% of men are affected by erectile dysfunction at age 40, and nearly 70% of men are affected by ED by the time they turn 70
These drugs – including Tadalafil (Cialis) and Vardenafil
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Men who take any nitroglycerine medicines cannot safely take Viagra-type drugs
In research on more than 260,000
It happens when not enough blood flows to the penis, preventing an erection
indigestion (upset stomach) mild vision Age : Dosage : When to take : Adults ages up to 64 years old: 50 mg, no more than once a day: 1 hour prior to sexual intercourse (alternatively, may also be taken between 30 minutes and 4 hours Viagra dosage
Contraindications
The 50 mg dose is the “normal dose” or starting dose of Viagra® for most men
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It can start working within 30 minutes, but it may take a couple hours for some people
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions
While rare, Viagra can cause an erection that lasts longer than 4 hours (priapism)
Daily doses are often between 2
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For treatment of erectile dysfunction: For oral dosage form (tablets): Adults up to 65 years of age—50 milligrams (mg) as a single dose no more than once a day, 1 hour before sexual intercourse
Though not everyone develops ED as they age, being older is one of the most common risk factors for the condition
The most common sexual problem in men as they age is erectile dysfunction ()
This may mean a man as young as 18 or a man as old as 80