What are the side effects of Viagra?

Headache, flushing, and others...

Viagra can have serious side effects, continue reading to learn more

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Disclaimer: This information isn’t a substitute for professional medical advice, diagnosis, or treatment. You should never rely upon this article for specific medical advice. If you have any questions or concerns, please talk to your doctor.

Common Viagra side effects

The most common side effects of Viagra include a headache, flushing, dyspepsia (indigestion) and:

  • Nasal Congestion
  • Abnormal vision (aka “blue-tinted” vision)
  • Back pain
  • Muscle pain
  • Nausea
  • Dizziness
  • Rash

Serious Viagra side effects

Serious, but less common, side effects of Viagra include:

  • Sudden loss of vision in one or both eyes
  • Sudden decrease or loss of hearing
  • An erection lasting longer than 4 hours (priapism)

Who should not take Viagra?

Do NOT take Viagra if you:

  • Take nitrates for a cardiac condition
  • Take riociguat for pulmonary arterial hypertension
  • Are allergic to sildenafil or any of the inactive ingredients in Viagra
  • Are not healthy enough for sex

Viagra side effects: dose size

According to the FDA approved Prescribing Information, the recommended dose of Viagra is 50 mg taken as needed, but your doctor will decide what dosage is right for you based on your medical history, symptoms, and preferences. If you experience unwanted side effects on the dose your doctor prescribes, talk to your doctor before changing your dose.

How often do side effects happen with Viagra?

In clinical trials, the most common side effects occurred in more than 2% of participants, but whether an individual will experience side effects depends on a number of factors personal to them. Before taking Viagra, or any ED medication, talk to your doctor about possible side effects and whether or not you’re healthy enough for sex.

What to do if you experience side effects

If you experience side effects while taking Viagra, talk to your doctor right away. You should stop using Viagra and seek immediate medical care if you experience any of the following serious side effects:

  • Sudden vision loss in one or both eyes
  • Sudden decrease or loss in hearing
  • Chest pain, dizziness, or nausea during sex
  • An erection lasting longer than 4 hours (priapism)

Additional resources

To learn more about the side effects of Viagra, see IMPORTANT SAFETY INFORMATION, or read the full Prescribing Information and Patient Information, which contain information about Viagra that is approved by the FDA.

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