Someone using Ambien users may falsely appear to be totally in control, while actually asleep and not in control at all which can bring about concerns about their safety and the safety of others.
Long-term methamphetamine use can lead to mood disturbances, violent behavior, anxiety, confusion, insomnia, and severe dental problems.
Symptoms of alcohol withdrawal may include extreme anxiety, disorientation, hallucinations, sleep disorders, hand tremors, nausea, sweating, seizures, and racing pulse.
Opana is sometimes used prior to surgery to cause sedation and to reduce anxiety.