Contraindications
From Wikipedia, the free encyclopediaContraindications include:
- When taking nitric oxide donors, organic nitrites and nitrates, such as glyceryl trinitrate (nitroglycerin), sodium nitroprusside, amyl nitrite ("poppers")
- In men for whom sexual intercourse is inadvisable due to cardiovascular risk factors
- Severe hepatic impairment (decreased liver function)
- Severe impairment in renal function
- Hypotension (low blood pressure)
- Recent stroke or heart attack
- Hereditary degenerative retinal disorders (including genetic disorders of retinal phosphodiesterases)
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