Written & medically reviewed by Dr. Sanjay Anbu, MBBS· Last reviewed
Naloxone rapidly reverses an opioid overdose. It belongs to the Emergency & critical-care medicine group. These are used in medical emergencies, usually by trained staff.
Adrenaline auto-injectors: know how and when to use them
These are given by or under medical guidance
Always call emergency services in a crisis
When to see a doctor urgently
Anaphylaxis is a life-threatening emergency — use adrenaline and call for help
Any overdose or poisoning needs urgent medical care
Not a prescription — no dose shown. The right dose of naloxone depends on age, weight, kidney/liver function and the condition, so MedDroid does not show a dose here. Always get your dose from a doctor or pharmacist and the leaflet inside the pack. General educational information only.
Frequently asked questions
When do I use an adrenaline auto-injector?
At the first signs of a severe allergic reaction (throat swelling, breathing difficulty, collapse) — inject into the outer thigh and call emergency services immediately.
What does naloxone do?
Naloxone rapidly reverses an opioid overdose, restoring breathing. It is a temporary fix — the person still needs emergency care.
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.