Learning objectives: By the end of this lecture, the student will be able to: 1- Identify the major types of psychotropic medications.3- Analyze clinical use of different types of psychotropic medications.2- Explain the mechanism of action for different types of psychotropic medications.5- Evaluate the implications of new psychopharmacological agents.6- Develop a teaching plan for clients and families for enhancing medication compliance.4- Describe common side effects of different types of psychotropic medications.