You can use the sections below to go deeper, or jump using “On this page”.
Changes in control
- Using more, gambling more or spending longer than you intended.
- Repeatedly deciding to cut down and finding it difficult to follow through.
- Feeling preoccupied with the next opportunity to use, drink, gamble or engage.
Changes in priority
- Other interests, responsibilities or relationships are increasingly pushed aside.
- You arrange your day around the substance or behaviour.
- Money, time or energy are repeatedly diverted from things that matter to you.
Continuing despite harm
A particularly important warning sign is continuing even when you can see consequences developing — such as health problems, arguments, missed work, debt, anxiety, secrecy or legal risk.
Many people seek support because they are worried about a pattern long before they would use that label for themselves.
What this page is anchored to
We summarise guidance in original plain English. Open the primary sources if you want to check the underlying recommendations.
Physical signs can matter too
Some substances can lead to tolerance and physical dependence. Withdrawal symptoms when reducing or stopping can be a sign that medical advice is needed. Alcohol and some sedative medicines can cause dangerous withdrawal in people who are dependent.
Read about withdrawal and stopping safely →
This page provides general educational information and does not replace assessment or advice from a healthcare professional. If you are worried about severe withdrawal, overdose, immediate danger or a mental health emergency, use our urgent help guidance.

