Guide · Australia

Quitting Cold Turkey

Cold turkey means stopping smoking with no NRT and no medication. It's the most popular method in Australia — and the lowest success rate. Here's how to stack the odds in your favour if it's your call.

The honest success rate

Unaided cold turkey attempts succeed about 3–7% of the time at 12 months. Add behavioural support (Quitline, coaching, an app) and that roughly doubles. Add NRT or medication and it doubles again. None of this means cold turkey is wrong — it means going in with a plan matters more than the method.

Day-by-day withdrawal timeline

  • Day 1: last cigarette. Nicotine clears in 72 hours. Cravings every 20–30 minutes.
  • Day 2–3: peak withdrawal. Irritability, headaches, hunger, broken sleep.
  • Day 4–7: physical symptoms drop. Mood is still rough. Cravings become situational.
  • Week 2: sleep restores. Energy returns. Taste and smell sharpen.
  • Week 3–4: the "brain fog" lifts. Most people clear the worst by day 21.
  • Month 2+: mostly trigger-based cravings (driving, drinking, stress).

Who cold turkey actually works for

  • Light or social smokers (under 10 a day).
  • People with a strong external reason — pregnancy, new diagnosis, big life change.
  • People who've tried NRT and didn't like it.

A 7-day cold turkey plan

  1. Pick the day. Tomorrow, not "next Monday." Tell one person.
  2. Bin everything. Cigarettes, lighters, ashtrays, that hidden pack in the car.
  3. Hydrate hard. A full glass of cold water at every craving. Nicotine clears faster.
  4. Walk after every meal. Replaces the smoke break that follows food.
  5. Avoid alcohol for 14 days. The biggest relapse trigger by far.
  6. Sleep early. Withdrawal hits worst when you're tired.
  7. Use the 4-minute rule. Every craving fades inside 5 minutes. Set a timer if you have to.

When to switch tactics

If you've made it 72 hours and still feel wrecked, that's not failure — that's data. Layer in NRT or talk to your GP about script-based options. Combining methods isn't cheating; it's how most successful quitters actually do it.

If you slip

One cigarette isn't a relapse. Log what triggered it, reset the clock, and start the next 24 hours. The average successful quitter took 6–30 attempts.