Sudden hearing loss warning: This drug can cause hearing loss, tinnitus (ringing in your ears), or dizziness. If you have sudden hearing loss with or without tinnitus or dizziness, stop taking sildenafil and call your doctor right away.
Your doctor may start you on a lowered dosage of sildenafil. This can help prevent levels of this drug from building up in your body.
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.
Sildenafil can be used as early as 4 hours before sex and as late as 30 minutes before sex. However, it is recommended to use this drug within an hour before sex.
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Talk with your doctor if you’re pregnant or planning to become pregnant. It appears unlikely that this drug will harm a pregnancy. However, this drug should only be used during pregnancy if clearly needed.
These problems include a heart attack, stroke, or life threatening heart rhythm problem. Also talk with your doctor if you have a low or high resting blood pressure, or a history of website heart failure or coronary artery disease.
Side effects from other drugs: Taking sildenafil with certain medications raises your risk for side effects from these drugs. Examples of these drugs include:
The use of drinks that contain alcohol raises your risk for low blood pressure from sildenafil. If you drink alcohol, talk with your doctor. You may need to have your blood pressure monitored while you take this drug.
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.
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If you’re taking this drug for PAH, your doctor may monitor your blood pressure and pulse regularly.
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.
Tadalafil is the generic name for the erectile dysfunction drug Cialis. There are two versions of the drug: