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Nitrous Oxide Gas For Inhalation

For anesthesia.

Generic Name: Nitrous Oxide


Place mask over mouth and nose. Be sure that mask is properly sealed over face. Breathe in to start delivery of medicine.

Start using at the onset of pain or anxiety.

Remove mask when medicine is not needed.

Ask your doctor, nurse or pharmacist to show you how to use this medicine correctly.


This medicine may cause dizziness or fainting, especially after exercising or in hot weather. Be very careful when standing or sitting up quickly.

Do not use the medication any more than instructed.

If you have any trouble using the medicine, please tell your doctor, nurse or pharmacist.

Side Effects

The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.

  • blurry vision
  • dizziness
  • dry mouth
  • lack of energy and tiredness
  • hoarseness or throat irritation
  • low blood pressure
  • nausea and vomiting
  • shakiness
  • sweating

If you have any of the following side effects, you may be getting too much medicine. Please contact your doctor to let them know about these side effects.

  • headaches
  • pale or blue skin, lips or fingernails
  • rapid heartbeat
  • shortness of breath

Call your doctor or get medical help right away if you notice any of these more serious side effects:

  • confusion

A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.

Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.