Priapism warning: This drug can cause priapism, which is an erection that won’t go away. If you have an erection that lasts more than 4 hours, call 911 or go to the nearest emergency room. If it’s not treated right away, this condition can cause permanent damage to your penis.
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Why is sildenafil prescribed? Sildenafil under the brand name Viagra is prescribed to treat erectile dysfunction by increasing blood flow to the penis during arousal. Sildenafil under the brand name Revatio is often prescribed to help adults with PAH get more exercise by treating their condition.
For ED: Sildenafil works by increasing blood flow to the penis. This helps you get or maintain an erection. Sildenafil only works for ED if you’re sexually aroused.
The most effective ED pill for you will vary depending on your needs, health, and other medications you may already be taking.
The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses.
Sildenafil and tadalafil are alike because they both can treat ED and PAH. However, tadalafil has a few distinctions from sildenafil.
Taking these drugs with sildenafil can cause your blood pressure to drop suddenly to an unsafe level.
For children: This drug isn’t recommended in children younger than 18 years. In one study, children with PAH who took this drug had an increased chance for death.
The kidneys, liver, or heart of older adults may not work as well as they used to. This can cause your body to process drugs more slowly. As more info a result, a higher amount of a drug stays in your body for a longer time. This raises your risk for side effects.
Sildenafil should not be taken for ED more than once in a 24-hour period. But if you have certain medical conditions or are taking other drugs, your doctor may recommend that you take this drug less often than once a day.
For seniors: The kidneys, liver, or heart of older adults may not work as well as they used to. This can cause your body to process drugs more slowly. As a result, a higher amount of a drug stays in your body for a longer time. This raises your risk for side effects.
For people with problems with the shape of their penis: If you have a problem with the shape of your penis, such as Peyronie’s disease, this drug raises your risk for having an erection that lasts more than 4 hours.
Sildenafil can be taken with food or without food. It is important to note that certain foods, particularly foods high in fat, can cause the drug to work more slowly than normal.