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Does Vardenafil Hydrochloride Interact with Nitroglycerin?

Vardenafil Hydrochloride and Nitroglycerin have a contraindicated drug interaction according to U.S. FDA drug labeling data. Concomitant use of vardenafil hydrochloride and nitroglycerin is contraindicated. Vardenafil potentiates the blood pressure lowering effects. The mechanism involves additive vasodilatory and hypotensive effects. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.

Severity
Contraindicated
Vardenafil Hydrochloride Class
Phosphodiesterase 5 Inhibitor
Nitroglycerin Class
Nitrate Vasodilator
Management
Do not take together
Data Source
U.S. FDA via OpenFDA

How This Interaction Works

The interaction between Vardenafil Hydrochloride and Nitroglycerin occurs because additive vasodilatory and hypotensive effects. Clinically, this means concomitant use of vardenafil hydrochloride and nitroglycerin is contraindicated. vardenafil potentiates the blood pressure lowering effects. Because of the severity of this interaction, these medications are contraindicated — meaning they should not be taken together under any circumstances. If you are currently taking both, contact your healthcare provider immediately to discuss alternatives.

What To Tell Your Doctor or Pharmacist

If you are taking Vardenafil Hydrochloride and your doctor is considering prescribing Nitroglycerin (or vice versa), make sure to:

  • Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
  • Ask whether the benefits of combining these medications outweigh the risks for your specific situation
  • Ask what symptoms to watch for that would indicate the interaction is causing problems
  • Ask about alternative medications that do not interact with your current regimen
  • Ask how frequently you should be monitored while these are co-prescribed
  • Never stop or change either medication without first consulting your healthcare provider
💊 Vardenafil Hydrochloride(Vardenafil Hydrochloride)+💊 Nitroglycerin(Nitroglycerin)

Severity & Interaction Details

⛔
contraindicated
Avoid this combination
FDA labeling lists this pair as contraindicated. The risk outweighs the benefit in nearly all cases.
Severity scale
MinorContra
On record
Yes
Drug A class
Phosphodiesterase 5 Inhibitor
Drug B class
Nitrate Vasodilator
Source
NLP:vardenafil hydrochloride

What this means in plain English

Concomitant use of vardenafil hydrochloride and nitroglycerin is contraindicated. Vardenafil potentiates the blood pressure lowering effects.

What the FDA label says

"Additive vasodilatory and hypotensive effects"

📖 Source: NLP:vardenafil hydrochloride

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Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine. For informational purposes only. Always consult your pharmacist or physician.