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What side effects do PDE-5 inhibitors have?

Donna Hill Howes, RN
Family Practitioner

Side effects may include dizziness, headache, flushing, indigestion, nausea, back pain, stuffy nose, hearing loss, urinary tract infections, low blood pressure, and prolongation of the QT interval. Visual side effects may include changes in the perception of blues and greens, blurred vision, temporary vision loss, and sensitivity to light.

This answer was adapted from Sharecare's award-winning AskMD app. Start a consultation now to find out what's causing your symptoms, learn how to manage a condition, or find a doctor.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.