Don't work around dangerous machinery. Don't climb ladders or work in high places. Danger increases if you drink alcohol or take medicine affecting alertness and reflexes. Dose may require gradual reduction if you have taken drug for a long time. Doses of other drugs may also require adjustment.
Hot temperatures increase chance of heat stroke.
Antidepressants, Increased thiothixene effect. Bethanechol Decreased bethanechol effect. Bupropion Increased risk of major seizures. Dronabinol Increased effects of both drugs. Epinephrine Excessively low blood pressure.