Alcohol

Overview

Alcohol is a chemical found in beverages like beer, wine, and spirits. It affects how your brain and body work. Drinking too much in one sitting, or drinking often in a way that harms your health or daily life, is sometimes called alcohol misuse or alcohol use disorder. This article explains how alcohol can affect your health, how to know if you have a problem, and how to get help.

Yes. Alcohol is one of the most widely used substances in the world. Many adults drink at least occasionally, and a significant number regularly drink more than recommended without knowing it. Alcohol problems are a common reason people visit their general practice.

Alcohol misuse can affect people of any age, gender, ethnicity, or background. It is more often seen in young adults who binge drink and in older adults, who may be more sensitive to alcohol. People with a family history of alcohol problems or with mental health conditions are also at higher risk.

Symptoms

Common symptoms

• Having strong cravings or urges to drink
• Needing to drink more than before to feel the same effect (tolerance)
• Withdrawal symptoms such as trembling, sweating, nausea, or anxiety when you go without alcohol
• Being unable to stop drinking once you start, or drinking more than you intended
• Neglecting work, family, or social activities because of drinking
• Continuing to drink even though it is causing problems in your relationships or health

Symptoms in children

• Children who accidentally drink alcohol may seem confused, drowsy, or sick, with vomiting and slurred speech.
• A child who has drunk any amount of alcohol is a medical emergency — call your local emergency number immediately.

Symptoms in older adults

• Older adults may feel the effects of alcohol with smaller amounts, leading to confusion, unsteadiness, and falls.
• Alcohol can make memory problems worse and can interfere with the medicines older adults commonly take.

Causes

Main causes

• Alcohol changes the brain's reward system, making you want to drink more over time.
• Regular heavy drinking leads to physical dependence, meaning your body gets used to alcohol and reacts badly without it.
• Drinking to cope with stress, anxiety, low mood, or trauma can quickly become a habit.

Risk factors

• Having a close family member with an alcohol problem
• Having depression, anxiety, or another mental health condition
• High levels of stress, including work or financial pressures
• Social settings where heavy drinking is normal or encouraged
• Easy access to cheap alcohol
• Starting to drink heavily at a young age

When to see a doctor

See a doctor urgently if:

• If you have severe withdrawal symptoms (such as a racing heart, fever, or confusion) when you stop drinking
• If you have thoughts of harming yourself or others
• If you are having repeated memory blackouts or fainting after drinking

Book a routine appointment if:

• If you are worried about how much you drink and want help to cut down
• If drinking is affecting your sleep, mood, relationships, or your ability to work or care for your family
• If you have physical symptoms like yellowing skin, tummy pain, or persistent nausea that you think might be related to alcohol

Diagnosis

A doctor or nurse will ask you questions about your drinking habits, how alcohol affects your daily life, and whether you have experienced withdrawal or cravings. They may use a short questionnaire to help measure your level of dependence. A physical examination and some simple blood tests can check for early signs of health problems.

Tests that may be done

• Blood tests to check your liver function (levels of liver enzymes)
• Full blood count to look for anaemia or other effects of heavy drinking
• A liver ultrasound or scan (such as FibroScan) if your doctor suspects liver damage
• A simple questionnaire about your drinking, such as the AUDIT test

What to expect at your appointment

Your doctor may ask how much you drink, how often, and whether you have tried to stop. Be honest — this information helps them offer the right level of help. They may also ask about your mood and your social situation. There is no right or wrong answer; this is about supporting you, not judging you.

Treatment

Treatment for alcohol problems depends on how severe the problem is. It may be simple advice and follow-up, a short course of talking therapy, or a more intensive programme if you are dependent on alcohol. The goal is to reduce harm, improve your health, and help you feel in control again. You do not have to do it alone — a range of professionals can support you.

Self-care at home

• Set an upper limit for how many drinks you have in a week, and include alcohol-free days
• Alternate each alcoholic drink with a glass of water or a soft drink
• Drink slowly, and always eat before or while you drink
• Find non-alcohol ways to relax, such as walking, reading, breathing exercises, or calling a friend
• Keep a diary of how much you drink to notice patterns and triggers

Medical treatments

If you are dependent on alcohol, your doctor may offer a structured withdrawal (detox) programme in the community or in a supervised setting, especially if you have been drinking heavily for a long time. They can also prescribe medicines that reduce cravings and help you stay sober, but these are always used together with counselling and support. Talking therapies such as cognitive behavioural therapy (CBT) are effective in helping you change the habits and thoughts that lead to drinking.

Living with this condition

Living with alcohol problems can feel overwhelming, but recovery is possible. Many people reduce their drinking or stop completely and live full, healthy lives. Take things one day at a time, and focus on progress rather than perfection.

Lifestyle tips

• Build a routine that does not revolve around alcohol — for example, exercise in the morning or plan evening activities without drinking
• Tell trusted friends or family about your goals and ask them to support you
• Avoid people, places, or events that you strongly associate with drinking, especially in the early weeks
• Consider joining a local peer support group where you can share experiences with others in similar situations

Diet and exercise

Eating regular, balanced meals helps keep your blood sugar stable and reduces cravings for alcohol. Gentle exercise, such as walking, swimming, or cycling, improves your mood, helps you sleep, and can be a healthy way to manage stress.

Mental health and emotional wellbeing

Alcohol is a depressant. It may make you feel relaxed at first, but heavy drinking increases anxiety, low mood, and trouble sleeping. Cutting down or stopping often brings real improvements in mental wellbeing. If you feel anxious or low, talk to your GP or a counsellor separately from your alcohol support. If you ever have thoughts of harming yourself or others, do not wait — call your local emergency number or a crisis line right away.

Prevention

You can lower your risk of alcohol-related harm by following low-risk drinking guidelines, which recommend no more than a certain number of units per week and having regular days without alcohol. If you have a family history of alcohol problems or a mental health condition, being aware of your triggers and checking in with your GP can help you keep your drinking at a safe level.

Screening programmes

Your GP may ask about alcohol during routine health checks or before prescribing certain medicines. These conversations are a good opportunity to get honest advice about your drinking and to catch any early signs of harm. You can also ask your GP for a routine alcohol review even if you feel fine.

Complications

If left untreated

• Liver damage, including fatty liver, hepatitis, and cirrhosis, which can be life-threatening
• High blood pressure, stroke, and an increased risk of heart disease
• Several types of cancer, including mouth, throat, breast, and bowel cancer
• Brain damage and nerve problems, including memory loss and problems with balance
• If you are pregnant, alcohol can harm your developing baby and lead to lifelong developmental problems

Long-term outlook

Whatever your situation, it is never too late to make a change. Many people who cut down or stop drinking notice better sleep, more energy, a brighter mood, and healthier blood pressure and liver tests within weeks to months. Even people who have developed serious complications can improve their health and quality of life with the right help and support.

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