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Nitroglycerin Anal Ointment

Important Information for Your Healthcare Provider

You should talk with your healthcare provider prior to using nitroglycerin anal ointment if you have:
  • Low blood pressure (hypotension)
  • Dehydration
  • Anemia
  • Increased intracranial pressure
  • Heart problems of any kind
  • Any allergies, including to food, dyes, or preservatives.
Also, let your healthcare provider know if you are:
Make sure to tell your healthcare provider about all of the medicines you take, including prescription and nonprescription medications, vitamins, and herbal supplements.
(Click Precautions and Warnings With Nitroglycerin Anal Ointment to learn more, including information on who should not take the drug.)

How Does It Work?

Nitroglycerin anal ointment works to treat anal fissures by causing the muscle in the anus to relax, and also by dilating the blood vessels in the area, causing improved blood flow.

When and How to Use Nitroglycerin Anal Ointment

Some general considerations to keep in mind during treatment with nitroglycerin anal ointment include the following:
  • The ointment is usually applied twice daily, with 12 hours between applications, for up to 3 weeks.
  • Usually, one inch of the ointment is first applied to the finger (which has been covered with a glove, finger cot, or plastic wrap). Then the ointment is gently applied inside the anus by inserting the finger no further than the first finger joint. If this is too painful, simply start by applying it to the outside of the anus.
  • For the medication to work properly, it must be used as prescribed.
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Nitroglycerin Anal Ointment Information

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