Psychopharmacology and Medical Knowledge
What to know
Non-prescribers still need working knowledge of major drug classes, mechanisms, common side effects, and interactions. Know SSRIs/SNRIs (serotonergic effects, discontinuation syndrome, serotonin syndrome risk with MAOIs and other agents), tricyclics (anticholinergic and cardiac effects), antipsychotics (metabolic syndrome, extrapyramidal symptoms, tardive dyskinesia, neuroleptic malignant syndrome), mood stabilizers (lithium toxicity and monitoring, valproate teratogenicity), benzodiazepines (dependence, respiratory depression with opioids), and stimulants (cardiovascular effects, misuse). Understand pharmacokinetics: half-life, steady state, CYP450 metabolism, and how inhibitors/inducers alter levels. Recognize medical mimics of psychiatric presentations - thyroid disease, anemia, hypoglycemia, delirium, substance withdrawal - and know when to refer.
Traps in questions
- Assuming therapy and medication are alternatives; combined treatment is often superior for moderate-severe conditions.
- Missing a medical cause or drug interaction before attributing symptoms to a psychiatric disorder.
- Confusing side effects of one class with another (e.g., metabolic risk is prominent with atypical antipsychotics).
- Overlooking that counselors cannot prescribe or advise on dosing, but must monitor and coordinate.
Rule of thumb
New or sudden psychiatric symptoms, especially in older adults or with physical signs, prompt medical evaluation first. Counselors monitor adherence and side effects and communicate with prescribers - they do not adjust medications.
Worked example: A client on an SSRI reports agitation, tremor, and hyperthermia after a new medication was added. Suspect serotonin syndrome, treat as urgent, and coordinate with the prescriber.