Free tool

Detox timeline calculator

Day-by-day map of what withdrawal from alcohol, opioids, benzos, cocaine, cannabis and ketamine typically looks like — with UK clinical context.

Reviewed to our medical review processWritten by Clearpath Editorial TeamMedically reviewed by Clearpath Clinical Team
High risk — medical supervision recommended: Severe alcohol withdrawal can cause seizures and delirium tremens. Anyone drinking 30+ units/day should detox under supervision.
  1. Early withdrawal
    6–12h

    Tremor, sweating, anxiety, nausea. Manageable with chlordiazepoxide taper.

  2. Peak physical
    12–48h

    Elevated heart rate, insomnia, GI upset. Seizure risk highest in this window.

  3. Delirium tremens risk
    48–72h

    Rare but dangerous. Confusion, hallucinations, autonomic instability. Requires inpatient management.

  4. Symptoms settle
    Day 4–7

    Physical symptoms fade. Sleep still poor. Mood low.

  5. PAWS begins
    Week 2–4

    Low mood, poor sleep, cravings. Structured aftercare matters more than medication now.

Content is educational and doesn't replace clinical assessment.

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Getting through withdrawal safely

If you're planning a detox, a 10-minute call with an advisor rules out routes that aren't safe for your dose and history.

Common questions

Are these timelines exact?

No. Withdrawal timelines vary with dose, duration, individual physiology and any co-occurring conditions. The days shown are typical ranges seen in UK clinical settings — use as a rough map, not a schedule.

Is home detox safe for all these substances?

No. Home detox is safe for cannabis, cocaine and mild-to-moderate alcohol dependence. It is dangerous for severe alcohol dependence, benzodiazepines and opioids without medical supervision.

What is PAWS?

Post-acute withdrawal syndrome — the low mood, sleep disruption, anxiety and cravings that can persist for weeks to months after acute withdrawal ends. Most common with alcohol, benzos, opioids and stimulants.

Related

Timelines are typical ranges only. Individual withdrawal varies with dose, duration and physiology.