Unit 1475: Psychopharmacology Fundamentals and Clinical Applications

1. Introduction to Psychopharmacology

1.1 Definition and Scope

• Overview of psychopharmacology
• Relationship between drugs, brain, and behavior

1.2 Historical Development

• Early discoveries in psychopharmacology
• Milestones in drug development

1.3 Categories of Psychoactive Drugs

• Stimulants
• Depressants
• Hallucinogens
• Others (e.g., mood stabilizers)

2. Neurotransmitters and Neuropharmacology

2.1 Major Neurotransmitters

• Dopamine
• Serotonin
• Norepinephrine
• GABA
• Glutamate

2.2 Mechanisms of Drug Action

• Agonists and antagonists
• Reuptake inhibitors
• Enzyme inhibitors

2.3 Neuropharmacology Methods

• Measuring drug effects on neural activity
• Neuroimaging and electrophysiological approaches

3. Drug Administration and Pharmacokinetics

3.1 Routes of Drug Administration

• Oral
• Intravenous
• Intramuscular
• Inhalation
• Transdermal

3.2 Pharmacokinetics Processes

• Absorption factors
• Distribution in body tissues
• Metabolism (liver enzymes, cytochrome P450 system)
• Excretion (renal, biliary)

3.3 Influence on Drug Action

• Bioavailability
• Half-life and duration of effect
• Drug interactions

4. Drug Classes in Psychopharmacology

4.1 Antidepressants

• SSRIs, SNRIs, MAOIs, Tricyclics
• Mechanisms and side effects

4.2 Antipsychotics

• Typical versus atypical antipsychotics
• Dopamine antagonism and side effects

4.3 Anxiolytics

• Benzodiazepines
• Non-benzodiazepine alternatives

4.4 Stimulants

• Uses in ADHD and narcolepsy
• Mechanisms and abuse potential

4.5 Mood Stabilizers

• Lithium, anticonvulsants
• Therapeutic uses and monitoring

5. Psychopharmacology of Mood Disorders

5.1 Depression Treatment

• Antidepressant pharmacotherapy
• Treatment-resistant depression considerations

5.2 Bipolar Disorder Treatment

• Mood stabilizers and antipsychotics
• Managing manic and depressive episodes

5.3 Impact on Quality of Life

• Symptom management
• Side effect profiles

6. Psychopharmacology of Anxiety Disorders

6.1 Pharmacological Interventions

• Anxiolytics (benzodiazepines)
• Antidepressants with anxiolytic effects
• Beta-blockers for physical symptoms

6.2 Mechanisms of Action

• GABAergic modulation
• Serotonergic involvement

6.3 Efficacy and Risks

• Dependence and tolerance
• Withdrawal considerations

7. Psychopharmacology of Psychotic Disorders

7.1 Overview of Psychotic Disorders

• Schizophrenia and related conditions

7.2 Antipsychotic Medications

• Classification: Typical and atypical
• Mechanisms (dopamine blockade, serotonin effects)

7.3 Side Effects and Management

• Extrapyramidal symptoms
• Metabolic syndrome
• Long-term treatment challenges

8. Substance Use Disorders and Psychopharmacology

8.1 Pharmacotherapy Approaches

• Detoxification medications
• Relapse prevention agents
• Craving reduction strategies

8.2 Medications by Substance Type

• Alcohol: Disulfiram, naltrexone
• Opioids: Methadone, buprenorphine
• Stimulants: Experimental treatments

8.3 Integration with Behavioral Therapies

• Combined treatment models
• Monitoring and support