Withdrawal Timeline

Withdrawal duration varies significantly by substance. Nicotine and stimulant withdrawal typically peaks within 1-3 days and resolves within 1-2 weeks. Opioid withdrawal from short-acting drugs like heroin peaks at 36-72 hours and largely resolves within a week, while prescription opioids may take longer. Alcohol withdrawal can last 5-7 days for acute symptoms. Benzodiazepine withdrawal is the longest — acute symptoms can last 2-4 weeks, and some people experience protracted symptoms for months. All substances can cause post-acute withdrawal syndrome (PAWS), with intermittent symptoms lasting weeks to months after acute withdrawal resolves.

Alcohol and benzodiazepine withdrawal can be life-threatening and should never be attempted without medical supervision. Both can cause seizures, and alcohol withdrawal can progress to delirium tremens (DTs), which has a mortality rate of up to 5% without treatment. Opioid withdrawal is intensely uncomfortable but rarely life-threatening in otherwise healthy adults, though dehydration from vomiting and diarrhea requires monitoring. Stimulant, cannabis, and nicotine withdrawal are not physically dangerous but can cause significant psychological distress. If you are considering stopping any substance, consult a medical professional first.

Medical detox is a supervised process where healthcare professionals monitor and manage withdrawal symptoms, often using medications to reduce discomfort and prevent dangerous complications. Medical detox is strongly recommended — and often essential — for alcohol, benzodiazepines, and high-dose opioid withdrawal. It typically takes place in a hospital, inpatient facility, or specialized detox center. During medical detox, vital signs are monitored, medications are administered as needed, and complications like seizures can be treated immediately. SAMHSA can help you find a detox facility near you at 1-800-662-4357.

Post-acute withdrawal syndrome (PAWS) refers to a set of symptoms that persist after acute withdrawal has resolved. PAWS can include mood swings, anxiety, depression, sleep disturbances, fatigue, difficulty concentrating, and intermittent cravings. Symptoms tend to come in waves — you may feel fine for days or weeks, then experience a flare-up. PAWS is most common with alcohol, opioids, and benzodiazepines, but can occur with any substance. It can last from a few weeks to over a year, depending on the substance, duration of use, and individual factors. Understanding PAWS helps people in early recovery recognize that these symptoms are normal and temporary.

Medication-Assisted Treatment (MAT) combines FDA-approved medications with counseling and behavioral therapies to treat substance use disorders. For opioid use disorder, MAT medications include methadone, buprenorphine (Suboxone), and naltrexone (Vivitrol). For alcohol use disorder, options include naltrexone, acamprosate, and disulfiram. For nicotine, options include nicotine replacement therapy (patches, gum, lozenges), varenicline (Chantix), and bupropion (Wellbutrin). Research consistently shows that MAT reduces relapse rates, overdose deaths, and criminal activity while improving treatment retention. MAT is considered the gold standard for opioid use disorder by SAMHSA, NIDA, and the WHO.

It depends on the substance. You should NEVER stop alcohol or benzodiazepines abruptly if you have been using heavily or for a prolonged period — doing so can cause seizures and death. These substances require a medical taper under professional supervision. Opioid withdrawal is generally not life-threatening, but it is extremely uncomfortable, and medical supervision with MAT greatly improves outcomes. Stimulant, cannabis, and nicotine withdrawal are generally safe to manage without medical detox, though professional support improves success rates. Regardless of the substance, consulting a healthcare professional before stopping is always the safest approach.