Naloxone is used to in the emergency treatment of suspected or known opioid overdose.
Opioid overdose is a condition caused by excessive use of opioids (strong painkillers such as morphine, tramadol, oxycodone, methadone). The signs and symptoms of opioid overdose are unusual sleepiness, slow or shallow breathing, small pupils, and bluish color of hands, feet, or limbs.
Naloxone may be given intramuscularly (into the muscle) or intravenously (into the vein).
Your doctor or nurse will administer the injection for you.
Inform your doctor if you have the following conditions:
- heart disease
- history of seizure
Let your doctor know if you are pregnant or breastfeeding.
Be sure to check with your doctor or pharmacist before giving this medicine to a child.
Naloxone may cause any of the following side effects: stomach upset, dizziness, flushing, and pain, irritation and swelling at the injection site.
Some side effects may need immediate medical help. Alert your doctor quickly if you experience any of the following:
- body aches
- fits or seizure
- shortness of breath
- abnormal heartbeat
- feeling agitated
- mood changes
- seeing or hearing things that are not existent
- sweating a lot
- high or low blood pressure
Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Inform your doctor and pharmacist if you are taking any other medicines used to treat moderate to severe pain e.g. nalbuphine, pentazocine, fentanyl.
Always notify your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements and medicines that you buy without a prescription.
Store in a cool, dry place away from the reach of children. Protect from light.
Medicines must not be used past the expiry date.