... (original content here) ... ================= END ORIGINAL SINGLE-TABLE LAYOUT ================= -->
| Class | Mechanism | Primary Uses | Examples | Side Effects | Key Cautions | Priority | 
|---|---|---|---|---|---|---|
| SSRIs | Block serotonin reuptake β β serotonin | 
 | 
 | π½οΈ GI: nausea, diarrhea Neuro/Psych: insomnia, headache Sexual: dysfunction Other: weight gain, β bleeding risk | 
 | |
| SNRIs | Block serotonin & NE reuptake | 
 | 
 | π½οΈ GI: nausea Neuro/Psych: insomnia Sexual: dysfunction Other: weight gain, sweating, possible β BP | 
 | |
| TCAs | Block NE & 5-HT reuptake; also anticholinergic | 
 | 
 | Anticholinergic: dry mouth, constipation β₯ Cardiac: arrhythmias, orthostatic hypotension Other: sedation, weight gain | 
 | |
| MAOIs | Inhibit MAO β β NE, 5-HT, DA | 
 | 
 | π Hypertensive crisis if tyramine Insomnia, sexual dysfunction, weight gain | Avoid tyramine foods No SSRIs/SNRIs/TCAs 2-week washout needed | |
| Atypical Antidepressants | Various NE/DA/5-HT effects | 
 | 
 | Mirtazapine: sedation, β appetite, weight gain Bupropion: seizures risk, weight loss Trazodone: sedation | 
 | |
| Typical Antipsychotics | Block D2 receptors (β dopamine) | 
 | 
 | EPS: dystonia, akathisia, parkinsonism TD: tardive dyskinesia NMS: fever, rigidity | 
 | |
| Atypical Antipsychotics | Block D2 & 5-HT2A receptors | 
 | 
 | Metabolic: weight gain, dyslipidemia, hyperglycemia β₯ QT prolongation, sedation Clozapine β Agranulocytosis (monitor WBCs) | 
 | Black Box: Clozapine Agranulocytosis | 
| Mood Stabilizers | Varies (e.g. Lithium, Valproate, etc.) | 
 | 
 | Lithium: tremor, thyroid dysfunction, renal issues Valproate: weight gain Lamotrigine: rash (SJS risk) | 
 | |
| Benzodiazepines | β GABA-A receptor β sedation | 
 | 
 | Sedation, respiratory depression, amnesia Dependence/tolerance **Withdrawal** risk if abrupt stop | 
 | |
| Stimulants | β NE & DA release/reuptake blockade | 
 | 
 | Insomnia, β appetite β weight loss Anxiety, β₯ tachycardia, β BP | 
 |