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How long does nicotine withdrawal last?

Written by
SmokeLess Team
Updated
Reading time
8 minutes
Sources
4 primary sources

Short answer

Nicotine withdrawal usually begins within hours of the last cigarette, peaks around day three to day five, then eases over two to four weeks. An individual craving normally lasts only a few minutes. Disturbed sleep, irritability, restlessness and difficulty concentrating are the most commonly reported effects.

Key points

  • Symptoms begin within hours of the last cigarette.
  • The hardest stretch is usually day three to day five.
  • Most physical symptoms ease noticeably within two to four weeks.
  • A single craving normally passes within a few minutes.

When does withdrawal start?

Nicotine leaves the body quickly. The first signs usually appear within hours of the last cigarette, and sooner for heavy smokers. This is what a body accustomed to a steady supply of nicotine does when the supply stops.

When is it hardest?

Ministry of Health guidance and NHS cessation material both put the hardest stretch at around day three to day five. After that point the intensity falls away. Most physical symptoms ease noticeably within two to four weeks.

That matters because it is measurable. The first week is not your new baseline. It is the steepest part of something with an end to it.

What people actually report

  • Cravings, arriving in waves.
  • Irritability, a short temper, restlessness.
  • Trouble concentrating.
  • Broken or shallow sleep.
  • Increased appetite.
  • More coughing for the first few weeks, as the lungs start clearing.

That last one sends people back to smoking. Coughing more after you stop is described in cessation material and is not a sign that quitting is making you worse.

How long is a single craving?

Usually a few minutes. It rises, peaks, and comes down on its own whether or not you do anything. Knowing that changes how you handle it: you do not have to hold out indefinitely, only for a few minutes.

The usual advice is to change the setting for that stretch. Stand up, leave the room, drink water, call someone. The quitline is 1800 6606, free, 08:00 to 22:00 daily.

Can any of it be reduced?

Yes. Nicotine replacement therapy, meaning the patches, gum and lozenges licensed as cessation medicine, exists for exactly this: to take the edge off the symptoms while you break the habit. Prescription medication is the second option, on medical advice only.

Counselling combined with medication succeeds more often than either on its own. That conclusion is consistent across Ministry of Health and WHO guidance.

What if you relapse?

Most people who stop for good tried several times first. One relapse does not erase the days you did not smoke. What helps is writing down when and where it happened, then setting a new date.

Common questions

Is stopping abruptly harmful?
No. Official guidance recommends picking a date and stopping completely from that day. Withdrawal is uncomfortable rather than dangerous for a healthy adult. If you are being treated for a chronic condition or take prescription medicine, ask a doctor before you start.
How long do cravings last after quitting?
Cravings are strongest in the first week and thin out after that. Many people still get an occasional craving months later, usually tied to a familiar situation such as after a meal or with coffee, rather than to nicotine still being in the body.
Do you gain weight after quitting?
Some people do, because taste recovers and eating replaces the habit of smoking. This is documented in cessation guidance, and it does not cancel out the benefit of stopping.

Sources for this article