How long must men wait to use nitroglycerin after taking Viagra, Levitra, or Cialis

August 2004

How long must men wait to use nitroglycerin after taking Viagra, Levitra, or Cialis?

Nitrates are contraindicated with these phosphodiesterase 5 (PDE5) inhibitors...the combination can cause life-threatening hypotension.

In general, nitrates can be given 24 hours after taking Viagra or Levitra...or 48 hours after taking Cialis.

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