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SSRIs and Serotonin Syndrome — NCLEX Cheat Sheet

Onset takes 4–6 weeks

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👤 By the CinnaRN Clinical Content Team 🕐 Updated 2026-07-11 🏷️ Pharmacological Therapies 🔖 Free to read, print, and share

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Use this quick-reference guide to spot, treat, and prevent SSRIs and Serotonin Syndrome on the NCLEX. Keep it handy during review and on exam day!

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Drugs

Key numbers

-pram, -oxetine, sertraline
Block serotonin reuptake
Full effect: 4–6 weeks

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Syndrome

Key facts

Hyperthermia, agitation, clonus
Tremor, sweating, hyperreflexia
Cause: SSRI + MAOI/triptan

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Do

Nursing actions

Stop drug, cooling, supportive care
Cyproheptadine = antidote

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Teach

Teaching points

Wait 2 wks between SSRI/MAOI
Watch suicide risk early on

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Quick Tip

Therapeutic antidepressant effect takes 4-6 weeks, though some side effects appear sooner.

📖 Related Topics

Digoxin Toxicity Heparin Therapy Warfarin Therapy Acetaminophen Poisoning in Children

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