Skip to main content

Naloxone (Injection)

Naloxone (nal-OX-one)

Help to reverse the effects of certain types of medicines.

Brand Name(s):

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not use this medicine if you have had an allergic reaction to naloxone.

How to Use This Medicine:

Injectable

  • Your doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given as a shot under your skin, into a muscle, or into a vein.
  • A nurse or other health provider will give you this medicine.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • There are many drugs that can interact with naloxone, including street drugs, make sure your doctor knows about all other medicines you are using.

Warnings While Using This Medicine:

  • Make sure your doctor knows if you are pregnant or breast feeding.
  • Make sure your doctor knows if you have heart disease.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
  • Chest pain, fast or uneven heartbeat or trouble breathing.
  • Lightheadedness or fainting.
  • Seizures.
  • Severe headache.

If you notice these less serious side effects, talk with your doctor:

  • Anxiety or feeling nervous.
  • Increased sweating.
  • Nausea or vomiting.
  • Shaking.

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088


Last Updated: 4/4/2014

Copyright © 1984- Thomson Micromedex. All rights reserved.

Thomson & A.D.A.M