Home detox can be dangerous depending on the substance. Alcohol and benzodiazepine withdrawal can cause seizures or life-threatening complications, while opioid withdrawal, though extremely uncomfortable, is rarely fatal. Medical supervision is strongly recommended for alcohol and benzodiazepines, and it’s beneficial for most other substances because doctors can manage withdrawal symptoms, prevent relapse, and monitor for complications. If you have any underlying health conditions, use multiple substances, or have failed at home detox before, professional help is essential, it’s not worth the risk.