Alcohol Withdrawal Symptoms: Timeline, Danger Signs, and When It Becomes an Emergency

Alcohol withdrawal symptoms begin about 6 hours after the last drink in a dependent drinker: tremors, sweating, anxiety, nausea. Symptoms peak at 24–72 hours, when seizures and delirium tremens — a medical emergency — can occur. Withdrawal from heavy, long-term drinking should never be attempted alone; medically supervised detox takes 5–7 days. Emergency helpline: 96111 94949.

Alcohol Withdrawal Timeline: What Happens Hour by Hour

Time since last drink	What typically happens	Severity
~6 hours	Tremors ("the shakes"), sweating, anxiety, restlessness, nausea, headache, insomnia, racing pulse	Mild — but the clock has started
12–24 hours	Symptoms intensify. In some people: alcoholic hallucinosis — seeing or hearing things while still knowing they aren't real. Blood pressure and heart rate climb	Moderate — medical assessment needed
24–48 hours	Peak risk window for withdrawal seizures (generalised tonic-clonic fits), usually without warning	Severe — hospital care required
48–72 hours	Peak risk of delirium tremens (DT): severe confusion, vivid hallucinations, fever, drenching sweats, dangerous swings in pulse and blood pressure	Emergency — Psychiatric ICU
Day 4–7	In supervised detox, acute symptoms settle; sleep and appetite begin returning	Recovery phase of the 5–7 day protocol

Not everyone experiences every stage. But there is no reliable way to predict in advance who will have a mild withdrawal and who will seize on day two — which is precisely why unsupervised withdrawal is a gamble with a person's life.

🚨 DELIRIUM TREMENS — TREAT AS A MEDICAL EMERGENCY

If someone who recently stopped or reduced heavy drinking shows any of these, do not wait:

• Severe confusion or disorientation — doesn't know where they are, who you are
• Vivid hallucinations — insects on the skin, people in the room, voices
• A seizure (jerking, loss of consciousness), even a brief one
• Fever with heavy sweating and a racing, irregular pulse
• Extreme agitation or terror

What to do right now: stay with the person, keep them safe from falls, do not give alcohol or sedatives yourself, and call 96111 94949 (24/7). Severe withdrawal and DT are stabilised in the Psychiatric ICU at Cadabams Hospitals, Whitefield, Bengaluru. Untreated delirium tremens can be fatal; treated in time, it is survivable and fully manageable.

What Alcohol Withdrawal Syndrome Actually Is

Alcohol withdrawal syndrome is the brain's rebound reaction when a depressant it has adapted to is suddenly removed. Long-term heavy drinking forces the brain to compensate for alcohol's sedative effect by running its excitatory systems "hot." Remove the alcohol overnight, and that overdriven system has nothing holding it down — the result is a nervous system in overdrive: tremor, sweating, anxiety, seizures, and in the worst cases, delirium.

Two clinical facts matter for families:

1. Withdrawal severity escalates with each untreated episode (kindling). A person who "managed" withdrawal at home last year may seize this year.
2. Withdrawal is a sign of dependence, not weak character. If stopping produces physical symptoms, the diagnosis of alcohol dependence syndrome is already answering itself.

Mild vs Severe Withdrawal: Who Is at High Risk?

Risk of severe withdrawal (seizures, DT) is higher with: a decade or more of heavy daily drinking; previous withdrawal seizures or DT; morning drinking to stop shakes; poor food intake; liver disease; other medical illness; and older age. Any one of these moves home management off the table. A psychiatrist should decide the detox setting — see /addiction/which-doctor-to-consult/ if you are unsure where to start.

Alcohol Withdrawal Seizure: The Red Flag Most Families Miss

An alcohol withdrawal seizure typically strikes 24–48 hours after the last drink — often in someone who looked "just shaky" hours earlier. It is a generalised fit: loss of consciousness, stiffening, jerking. One-third of people who seize and remain untreated progress to delirium tremens.

If a seizure happens: protect the head, turn the person on their side once jerking stops, do not put anything in the mouth, and call 96111 94949. A first-ever seizure in a drinker always needs hospital evaluation — even if they seem fine afterwards.

ICD-10 coding note (for clinicians and records): alcohol withdrawal state is coded F10.3 in ICD-10; withdrawal state with convulsions (withdrawal seizure) is F10.31; withdrawal delirium — delirium tremens — is F10.4. Underlying alcohol dependence syndrome is F10.2.

Achanak Sharab Chodne Ke Nuksan — Why Suddenly Stopping Alcohol Is Dangerous

Families search this in exactly these words, so here is the direct answer: achanak sharab chodne ke nuksan — the harms of suddenly stopping alcohol — are real, physical, and occasionally fatal. For a dependent drinker, an abrupt stop can trigger:

• Severe tremors, vomiting, and dehydration within the first day
• Withdrawal seizures at 24–48 hours
• Delirium tremens at 48–72 hours — with a genuine risk of death if untreated
• Crushing anxiety, insomnia, and low mood that push the person straight back to the bottle — often drinking more than before

This does not mean the person should keep drinking. It means the method of stopping matters. Locking someone in a room, hiding the bottles, or a sworn "cold turkey from tomorrow" are not treatment plans — they are uncontrolled medical experiments. The safe route is a planned, medically supervised detox where withdrawal is prevented rather than endured. If your goal is to help someone stop, start with /alcohol-addiction/how-to-quit/ — and never with an overnight ultimatum.

Planning to stop, or helping someone stop? Don't do it unsupervised. Call 96111 94949 for a psychiatrist-led assessment of withdrawal risk — OPD, admission, or a home-visit screening (psychiatrist + psychologist + nurse) anywhere in Bangalore if the person won't come in.

Alcohol Withdrawal Treatment: The 5–7 Day Medically Supervised Detox

At Cadabams, alcohol withdrawal treatment follows a structured 5–7 day medical detoxification protocol:

1. Assessment — withdrawal severity scoring, liver and metabolic workup, psychiatric evaluation.
2. Medication cover — psychiatrist-prescribed medication to prevent seizures and delirium, tapered daily. (Names and doses are a prescribing decision, never a self-medication checklist.)
3. Monitoring — vitals, hydration, thiamine and vitamin correction, round-the-clock nursing.
4. Escalation path — any sign of DT or seizures moves the patient to the Psychiatric ICU at Whitefield immediately. In a crisis where the person cannot agree to treatment, our Psychiatric Emergency Team (PET) manages a safe supported admission under the Mental Healthcare Act, 2017.
5. Bridge to real treatment — detox ends with a plan, not a discharge slip.

The full protocol is described at /addiction/detoxification/.

What Detox Does Not Do

Detox clears alcohol from the body and gets the person through withdrawal safely. It does not touch the cravings, thought patterns, and life circumstances that drive drinking. A person who goes home after day 7 with no further treatment usually relapses — not from weakness, but because nothing else has changed.

After Detox: Where Recovery Actually Happens

From the hospital, treatment continues at Cadabams Anunitha, our dedicated de-addiction campus (about the campus), through one of three programmes: the 30-day Comprehensive De-addiction Programme (CDP) for milder dependence with insight, the 90-day Enhanced De-addiction Programme (EDP) for entrenched dependence with little insight or repeated relapse, and the 90–180 day Dual Diagnosis Programme when a psychiatric illness runs alongside the drinking. Therapy (CBT, Motivational Enhancement Therapy, relapse prevention), family work, and — where indicated — supervised anti-craving medication (/alcohol-addiction/medicine-to-stop-drinking/) do the long-term work. See the Bangalore rehabilitation pathway at /alcohol-addiction/rehabilitation-bangalore/.

If you are the spouse, parent, or child managing this crisis, the /addiction/caregiver/ hub covers admissions, visits, and the high-risk 90 days after discharge.

Someone in withdrawal right now? Call 96111 94949 — 24/7. Psychiatric ICU at Whitefield for severe withdrawal and delirium tremens. Emergency guidance first; admission decisions after.

FAQs on Alcohol Withdrawal

How long do alcohol withdrawal symptoms last?

Acute withdrawal typically runs 5–7 days: onset around 6 hours after the last drink, peak intensity at 24–72 hours, then gradual settling. Sleep disturbance, low mood, and cravings can persist for weeks afterwards (post-acute symptoms) — which is why detox is followed by a structured programme, not a discharge home.

Can alcohol withdrawal kill you?

Yes, in its severe forms. Untreated delirium tremens carries a significant mortality risk from cardiovascular collapse, dehydration, and injury; withdrawal seizures can also be fatal. With medically supervised detox, these outcomes are almost entirely preventable. This is the single strongest reason not to attempt cold-turkey withdrawal at home after long-term heavy drinking.

What are the first signs of alcohol withdrawal?

Within about 6 hours of the last drink: trembling hands, sweating, anxiety, restlessness, nausea, headache, and a racing pulse. Morning shakiness that settles with a drink is itself an early withdrawal sign — and one of the clearest markers that dependence has developed.

What is delirium tremens?

Delirium tremens (DT) is the most severe form of alcohol withdrawal, usually appearing 48–72 hours after stopping: severe confusion, vivid hallucinations, fever, drenching sweats, and unstable pulse and blood pressure. It is a medical emergency requiring intensive care — at Cadabams, the Psychiatric ICU at Whitefield. Call 96111 94949 immediately if you suspect DT.

What is the ICD-10 code for alcohol withdrawal seizure?

In ICD-10, alcohol withdrawal state is F10.3. A withdrawal state with convulsions — an alcohol withdrawal seizure — is coded F10.31, and withdrawal delirium (delirium tremens) is F10.4. The underlying alcohol dependence syndrome is F10.2.

Can I detox from alcohol at home?

For light, short-term drinkers with medical clearance, sometimes — but that judgement must come from a doctor, not the internet. For anyone with heavy daily drinking, morning drinking, previous withdrawal symptoms, seizures, or medical illness, home detox is dangerous. If the person won't come to hospital, our home-visit team (psychiatrist, psychologist, nurse) can assess them at home anywhere in Bangalore first.

Sharab chodne par kya hota hai? (What happens when you stop drinking?)

Pehle 6 ghante mein haath kaanpna, paseena, ghabrahat shuru ho sakti hai; 24–72 ghante sabse risky hote hain — daura (seizure) ya delirium tremens ho sakta hai. Isliye achanak sharab chodna nuksaandeh hai — doctor ki nigrani mein 5–7 din ka detox hi surakshit tareeka hai. Madad ke liye 96111 94949 par call karein.

Written by the Cadabams Anunitha clinical team, Bengaluru. 24/7 helpline: 96111 94949.