International Overdose Awareness Day: 31st August 2025

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International Overdose Awareness Day takes place annually on 31st August. The campaign strives to stop drug-related overdose and the stigma that might make it difficult for people who need treatment to get help. It is also a chance to remember those who we’ve lost to drug overdose, and listen to the experiences of families and friends left behind.

What is an Overdose?

An overdose can happen when someone has a toxic amount of substance/substances in their body. It is possible to overdose on a number of different substances, including alcohol, illicit drugs, or prescribed medication.

What to do if you think someone has overdosed.

The following advice by NHS Addictions Provider Alliance indicates what to look for, and what you should do, in the event of an overdose.

When should you be concerned someone is having an overdose?

Signs and symptoms of an overdose will vary depending on the type and amount of drug that has been taken, as well as the person’s overall health at the time of taking the drug.

However, if you are concerned about the person’s wellbeing, you should always call 999 for an ambulance to attend. An overdose is always a medical emergency.

You should be concerned and phone an ambulance if they show any of these signs:

  • Are unconscious or extremely drowsy
  • Are having a seizure
  • Seem asleep but are difficult to wake up.
  • Are snoring and or/gurgling. This could be a sign that their airways are obstructed and they are struggling to breathe, in this context put them into the recovery position.
  • Have a severe headache or chest pain
  • Are extremely paranoid, agitated, panicked or confused
  • Are overheated and dehydrated
  • Are having difficulty breathing

In the case of an opioid overdose, a Naloxone kit is a key tool which can help save lives. However, even if you have used Naloxone and the person’s condition is improving, still phone 999 so an ambulance can attend. Naloxone has a shorter working period than the original opioid that was taken, so it is still possible for the person to overdose again once the Naloxone has worn off. Find out more about Naloxone.