Addiction glossary
Cold Turkey
"Going cold turkey" means stopping a substance suddenly and completely — no tapering down, no medication, no support — and riding out whatever your body throws at you. The name comes from the goosebumps and clammy, pale skin some people get in withdrawal, said to look like cold turkey meat. The idea has a certain rough appeal: just stop, white-knuckle through it, get it over with.
For some substances that's merely very hard. For others, it can genuinely kill you. The difference matters more than almost anything else on this page.
When it's hard but not dangerous
With some substances, cold turkey is miserable but not life-threatening. Stopping cocaine, cannabis or nicotine suddenly can bring a grim comedown — low mood, cravings, broken sleep, irritability, that flat grey feeling — but it won't stop your heart. People do get through these without medical detox. That doesn't mean you should go it alone or that willpower is the answer — support makes it far more likely to last — but the abrupt stop itself isn't the danger.
When cold turkey can be deadly — please read this
This is the part I most need you to hear. With a handful of substances, stopping suddenly on your own can be medically dangerous, and in some cases fatal. Alcohol, benzodiazepines (Valium, Xanax, and similar) and GHB are the big ones: when your body is physically dependent on them, an abrupt stop can trigger seizures, dangerous swings in blood pressure and heart rate, and in the worst cases a life-threatening state. These are not withdrawals to tough out at home.
Opioids — heroin, methadone, strong painkillers — are a different danger. The withdrawal itself rarely kills you, but going cold turkey drops your tolerance fast. If you then use again at your old amount, that lost tolerance makes a fatal overdose frighteningly easy. Many opioid deaths happen exactly this way, after a break.
Never DIY a detox from alcohol, benzodiazepines or GHB. If your body relies on any of these, do not stop suddenly by yourself — speak to a GP or a medical service about a safe, supervised detox. I won't give doses on this page on purpose: getting the medical bit right is exactly what keeps you alive.
What to do instead
If you're dependent on something where cold turkey is risky, the brave move isn't gritting your teeth — it's getting it done safely. A supervised detox manages the danger with the right care and, where needed, the right medication, so your body comes off gradually rather than crashing. It helps to know what's coming, too: read up on alcohol withdrawal symptoms or benzodiazepine withdrawal so you understand why the abrupt stop is the dangerous part. None of this has to be faced alone, and there's no shame in asking for help to do it right.
Frequently asked questions
Is going cold turkey ever safe?
It depends entirely on the substance. Stopping cocaine, cannabis or nicotine abruptly is hard but not usually dangerous. Stopping alcohol, benzodiazepines or GHB suddenly can be medically dangerous — even life-threatening — so those should always be done under medical supervision, never alone at home.
Why is quitting opioids cold turkey risky if the withdrawal won't kill me?
The withdrawal itself rarely kills you, but it drops your tolerance quickly. If you relapse and use your old amount, your body can no longer handle it, and a fatal overdose becomes far more likely. That lost-tolerance risk is why coming off opioids is best done with proper support.
What should I do if I'm physically dependent and want to stop?
Please don't stop suddenly by yourself if it's alcohol, benzos or GHB. Talk to your GP or a medical service about a supervised, supported detox — that's the safe route. It's not a sign of weakness; it's the route that keeps you alive while you get free of the substance.
More from the glossary: detox · dependence vs addiction · benzodiazepine withdrawal · or browse the full glossary.
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