Drink spiking is when someone adds alcohol, drugs, or another substance to a drink without consent.
It can happen in bars, clubs, house parties, festivals, and social events. This guide explains what drink spiking is, how common it is, and what substances may be involved.
Drink spiking happens when someone adds alcohol or drugs to another person’s drink without their knowledge or consent.
This can include adding alcohol to a non-alcoholic drink. It can also mean adding extra alcohol to an alcoholic drink. In some cases, prescription or illegal drugs are added.
Substances used in drink spiking may have no taste, smell, or colour. This means a spiked drink can be difficult to recognise.
Needle spiking is when someone secretly injects another person with a substance. It is sometimes called injection spiking.
The aim of spiking is often to impair a person’s judgement. This can make someone more vulnerable to theft, assault, or sexual assault.
Drink spiking is illegal. It should always be taken seriously.
Drink spiking is more common than many people realise. Many incidents are never reported. This may be because victims feel embarrassed, afraid, or confused.
Memory loss can also make reporting harder. Some people may not know exactly what happened.
These figures only reflect known or reported cases. The true number may be higher.
In one young adult poll, 92% of people did not report the incident.
Drinks can be spiked in several ways. It is more likely to happen in busy, crowded, or poorly lit settings.
Someone may add alcohol or drugs to an unattended drink. This can happen quickly and without being noticed.
A person may offer a drink that has already been tampered with. This risk is higher when accepting drinks from strangers.
A spiker may swap your drink for another drink. This can happen when you are distracted.
Drink spiking can happen anywhere drinks are served or shared. Certain settings may carry higher risk because they are crowded, dark, or difficult to monitor.
It is important to stay alert in any social setting. Keep your drink with you and look out for friends.
Drinks can be spiked with different substances. These are often chosen because they affect alertness, memory, judgement, or coordination.
Extra alcohol may be added to a drink. This can cause unexpected intoxication, especially if the person thinks the drink is weak.
Benzodiazepines are sedative drugs. They may cause drowsiness, confusion, poor coordination, and memory loss.
Gamma-hydroxybutyrate, or GHB, is a powerful depressant. It may cause drowsiness, memory loss, and unconsciousness.
Ketamine can cause dissociation, confusion, poor coordination, and reduced awareness.
MDMA may affect judgement, awareness, and behaviour. It can also make symptoms harder to interpret.
If you feel unusually drunk, confused, sleepy, or unwell, seek help immediately. Tell a trusted friend, venue staff, or security.
If symptoms are severe, call 999. Do not leave alone with someone you do not trust.
You can also read our next guide: What are the Symptoms of Drink Spiking?