Step 1 → Psychiatry Medication effects and toxicityPreview this topic sectionPreview the conditions. Plans unlock the full Step 1 details when you need them. Free Biochemistry Free Microbiology Plans Medication effects and toxicity conditions Acute dystonia Hypertensive crisis Lithium toxicity Neuroleptic malignant syndrome (NMS) Serotonin syndrome Tricyclic antidepressant toxicity