Detox (or withdrawal management) is the process your body goes through as it clears alcohol, prescription medications, or illicit drugs from your system. It is the first step in recovery, not a complete treatment on its own.(Source)

Depending on the substance and your health, detox can last from a few days to several weeks. For some long‑acting medications, certain benzodiazepines, or heavy alcohol use, symptoms can fluctuate or recur for months.(Source)

Several factors influence how long detox lasts and how intense symptoms become:

• The substance or substances you use (alcohol, opioids, benzodiazepines, stimulants, etc.)
• How much, how often, and for how long you’ve been using
• Your age, physical health, and any medical conditions
• Your mental health history
• Whether you’ve gone through withdrawal before
• The setting of detox (at home vs. medically supervised)

Evidence‑based detox is not the same as simply stopping “cold turkey.” In a professional setting, clinicians use medications, monitoring, and supportive care tailored to each substance and to your individual needs.(Source) For example:

• Benzodiazepines: A carefully planned taper—gradually reducing the dose, often using a longer‑acting benzodiazepine—is considered the safest approach to minimize seizures and other complications.(Source)
• Opioids: Medications such as buprenorphine or methadone are often used to manage withdrawal and reduce cravings, and may be continued as part of ongoing treatment.(Source)

Stopping certain substances suddenly, without medical oversight, can lead to severe withdrawal, medical emergencies, or relapse.