Individuals who go through medically assisted withdrawal but do not receive any further treatment will typically show drug abuse patterns similar to those who were never treated.
Drug craving and depression that an individual experiences during crack withdrawal can last for months following cessation of long-term heavy use of the drug.
Abrupt cessation of benzodiazepine drug Ativan can cause withdrawal symptoms after taking medically prescribed doses of the drug for as little as one week.
Withdrawal symptoms from hypnotic drugs such as barbiturates and benzodiazepines include shakiness and tremor, nervousness and anxiety, panic, hyperactivity and increased reflexes, rapid heart rate, and epileptic seizures and death in the most severe cases.