Quick answer. Alcohol use disorder (AUD) is a medical condition in which a person finds it hard to control their drinking despite harm. It ranges from mild to severe (dependence), and it is a treatable health condition, not a moral weakness. Warning signs include craving, drinking more than intended, being unable to cut down, tolerance, and withdrawal symptoms (sweating, shaking, anxiety) when not drinking. Importantly, suddenly stopping after heavy drinking can be dangerous – withdrawal can cause seizures or delirium tremens and should be medically supervised. Help is available through the National Addictions Management Service (NAMS) at IMH.
Feeling anxious, low, or struggling to cope lately?
Message our care team on WhatsApp. Tell us what’s going on and we’ll help you find the right psychiatrist — free, with no obligation.
Chat with our care team on WhatsAppNot sure who to see? Find the right specialist →
In a medical emergency, or for severe or sudden symptoms such as breathing difficulty, chest pain, fainting or stroke signs, call 995 immediately.
Alcohol problems sit on a spectrum, and many people who struggle are not what most imagine an “alcoholic” to be. Recognising the signs early – and getting help safely – makes a real difference.
What it is
Alcohol use disorder is a recognised medical diagnosis, not a matter of willpower or character. It describes a pattern in which a person finds it hard to control their drinking even when it is causing harm to their health, relationships, work or safety. It sits on a spectrum – some people have a mild disorder that responds to small changes and support, while others develop a severe form involving physical dependence, where the body has adapted to alcohol and reacts when it is removed. Wherever a person sits on that spectrum, it is common, it is nobody’s fault, and it is treatable.
It helps to think of alcohol as a substance the brain and body can come to rely on over time. With regular heavy use, the nervous system adjusts to expect alcohol, so drinking starts to feel like it steadies things rather than lifts them. This is why cutting down can feel so much harder than simply deciding to stop – and why compassion, rather than blame, is the right starting point for both the person affected and those around them.
Signs and symptoms
The signs can be subtle and build gradually, so they are easy to explain away. Common ones include:
- Drinking more, or for longer, than you meant to.
- Wanting or trying to cut down, but finding you cannot manage it.
- Strong urges or cravings to drink that are hard to ignore.
- Tolerance – needing more to get the same effect you used to get from less.
- Spending a lot of time drinking or recovering from its effects.
- Letting responsibilities at home, work or study slip because of drinking.
- Continuing to drink even though it is clearly causing problems.
- Withdrawal symptoms when not drinking – sweating, tremor, anxiety, nausea, restlessness or poor sleep – that ease when alcohol is taken again.
Having some of these does not mean a person has “hit rock bottom”; problems can be picked up at any stage, and the earlier they are recognised, the easier they usually are to turn around.
Why withdrawal can be dangerous
This is the most important safety point in this guide. In someone who drinks heavily and regularly, the body has adapted to alcohol, and suddenly stopping can trigger withdrawal. Milder withdrawal brings shaking, sweating, a racing heart, anxiety and difficulty sleeping. In more severe cases it can progress to confusion, hallucinations, seizures or delirium tremens (“the DTs”) – a serious medical emergency.
Because of this, anyone who drinks heavily should not stop abruptly or go “cold turkey” alone. The safe route is to speak to a GP or an addiction service first. They can assess the level of risk and, where needed, arrange a medically supervised withdrawal (“detox”) with medication that keeps the process safe and comfortable. Seeking help before stopping is not a sign of weakness – it is the responsible, medically sound thing to do. If severe withdrawal appears – confusion, a seizure, hallucinations or severe shaking – treat it as an emergency and call 995 or go to A&E.
Health and life effects
Sustained heavy drinking affects nearly every system in the body. It is a leading cause of liver disease, and it raises blood pressure and the risk of heart rhythm and heart-muscle problems. It is linked with several cancers, including those of the mouth, throat, gullet, liver, bowel and breast. Over time it can damage the brain and nerves, affecting memory, mood, balance and sensation.
The effects reach well beyond physical health. Alcohol is closely tied to mental-health conditions such as depression and anxiety – each can feed the other, which is why treating both together matters. It can strain relationships, undermine work, and increase the risk of accidents, injuries and unsafe situations. In pregnancy, alcohol can harm the developing baby, so avoiding it while pregnant, or when trying to conceive, is the safest choice. For a fuller picture, see our guide on alcohol and your health.
Causes and who is at risk
There is no single cause of alcohol use disorder, and it is never a moral failing. It usually arises from a mix of factors that no one chooses: genetic make-up (a family history of alcohol problems raises risk), psychological factors such as using alcohol to cope with stress, low mood or difficult memories, and social factors such as environments where heavy drinking is normal or easily available.
Stress, past trauma and other mental-health conditions – including depression, anxiety and post-traumatic stress – are strongly linked, because alcohol can feel, in the short term, like relief. Understanding these threads is not about excusing anything; it simply points towards the kinds of support that genuinely help, and it makes clear why willpower alone is rarely the answer.
How it is recognised and assessed
Recognising a problem usually begins with an honest, unhurried conversation with a doctor. There is no need to feel judged – clinicians see this often and their role is to help, not to lecture. A GP may use simple, standard screening questions about your drinking patterns and how alcohol is affecting your life, and will ask sensitively about mood, sleep and stress, since these so often travel together.
The doctor will also check your physical health, which may include an examination and some tests to see how alcohol has affected the liver and other systems, and to guide safe treatment. This assessment is not a verdict; it is the practical first step towards a plan that fits you, and towards deciding whether a supervised withdrawal is needed before any attempt to stop.
Treatment and getting help
Alcohol use disorder is very treatable, and many people go on to recover and rebuild their lives. There is no single path – treatment is tailored to the person, and the goal may be to cut down or to stop altogether, agreed together with the care team. Options that are often combined include:
- Counselling and psychological therapies – such as talking therapies that build coping skills, address triggers and support lasting change.
- Support groups – peer support such as Alcoholics Anonymous, where shared experience and encouragement help many people stay on track.
- Medically supervised withdrawal (“detox”) – where dependence is present, a safe, supported way to come off alcohol.
- Medicines – certain treatments can help reduce cravings or support staying alcohol-free, prescribed and monitored by a doctor.
- Treating co-existing conditions – addressing depression, anxiety or other mental-health needs at the same time, because recovery is steadier when the whole picture is cared for.
In Singapore, the National Addictions Management Service (NAMS) at the Institute of Mental Health offers confidential assessment and treatment, and your GP or polyclinic is an excellent first step – and an essential one before any attempt at home detox.
Need to talk to someone now? Call the Samaritans of Singapore (SOS) 24-hour hotline on 1767, text CareText on WhatsApp 9151 1767, or call the national mindline on 1771. In an emergency, call 995.
Self-help and supporting a loved one
Alongside professional care, small steps make a real difference. Setting a clear, realistic goal, keeping a simple note of when and why you drink, planning alcohol-free days, and finding other ways to unwind and manage stress can all help. Telling a trusted friend or family member, so you are not carrying it alone, is one of the most powerful moves of all.
If you are worried about someone else, approach them with care rather than criticism – choose a calm moment, speak from concern, and listen more than you lecture. Encourage them gently towards a GP or NAMS, and remember you can seek advice for yourself too. It is worth knowing that relapse can be part of recovery, not a sign of failure. A slip does not undo progress; it is information that helps refine the plan, and the kindest, most useful response is to seek support again rather than give up.
Reaching out without shame
If any of this feels familiar, please know that asking for help is a sign of strength, not weakness – and that the people who can help have seen it many times before. Alcohol use disorder is common and treatable, and reaching out early makes recovery easier. Whether you start with your GP, a polyclinic or NAMS, that first conversation is often the hardest and most important step. If you ever have thoughts of harming yourself, please seek help straight away – go to A&E, call 995, or contact a crisis line such as the Samaritans of Singapore. You deserve support, and it is available.
Related mental-health topics
- Schizophrenia
- Postpartum psychosis
- Social anxiety disorder
- Health anxiety
- Borderline personality disorder
- Body dysmorphic disorder
- Gambling addiction
- Self-harm — getting help
- Grief & bereavement
- Anxiety & depression
- Psychiatrists in Singapore
- Psychologists in Singapore
Sources
- NAMS / IMH (Singapore) — alcohol use disorder: assessment and treatment; All Addictions Helpline 6732 6837.
- NHS — alcohol misuse: withdrawal danger, need for supervised detox, treatment options.
- Patient.info — acute alcohol withdrawal and delirium tremens: seizures/DTs risk; medically supervised withdrawal.
- HealthHub (MOH Singapore) — getting support for addictions. Alcoholics Anonymous Singapore — peer support.