Youth who begin to experiment with alcohol and tobacco typically continue on to use marijuana or inhalants.
Persistent withdrawal signs have been observed in chronic drug users, even after acute withdrawal symptoms have passed. These symptoms can occur for many months.
Some Ecstasy users experience a feeling of euphoria, a sense of intimacy with others, and diminished anxiety.
The route of administration of a drug, whether intravenous, intramuscular, oral or otherwise, can sometimes play a role in determining the severity of withdrawal symptoms.