Fast Five Quiz: Sildenafil (Viagra)

Mary L. Windle, PharmD


August 04, 2021

According to the US Food and Drug Administration, the most common adverse effects associated with sildenafil include the following:

  • Headache

  • Flushing

  • Dyspepsia

  • Abnormal vision

  • Nasal congestion

  • Back pain

  • Myalgia

  • Dizziness/nausea

  • Rash

Other commonly reported adverse reactions include the following:

  • Epistaxis

  • Insomnia

  • Erythema

  • Diarrhea

Review adverse effects associated with sildenafil use.


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