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LITHIUM (Mood Stabilizer) 🔹 Drug Class Mood stabilizer Used mainly for Bipolar disorder (acute mania & maintenance) 🎯 Therapeutic Range (VERY IMPORTANT ⚠️) 0.6 – 1.2 mEq/L → Therapeutic >1.5 mEq/L → Toxicity begins >2.0 mEq/L → Severe toxicity (medical emergency) 👉 NCLEX tip: Always check serum lithium level before giving dose. Mechanism (Simple) Alters sodium transport in nerve cells Affects serotonin & norepinephrine ⚠️ Signs of Toxicity (MOST TESTED) 🔸 Early Toxicity (1.5–2.0) Nausea, vomiting, diarrhea Tremors (coarse tremors) Muscle weakness Drowsiness 🔸 Moderate–Severe (>2.0) Confusion Ataxia Slurred speech Seizures Coma 🚨 If toxicity suspected → Hold drug & notify provider immediately 🧂 Sodium & Fluid = KEY CONCEPT (Exam favorite) Lithium acts like sodium in body. ❗ Low sodium = Lithium toxicity Because kidneys reabsorb more lithium when sodium is low. Nursing Teaching: Maintain normal salt intake Drink 2–3 liters water daily Avoid dehydration Avoid excessive sweating 💊 Drug Interactions (Common NCLEX Trap) Increase Lithium Level: Diuretics (especially Thiazides) NSAIDs (Ibuprofen) ACE inhibitors 👉 If patient on lithium + starts diuretic → monitor closely! 🩺 Nursing Responsibilities ✔ Monitor lithium levels regularly ✔ Monitor kidney function (BUN, Creatinine) ✔ Monitor thyroid (can cause hypothyroidism) ✔ Give with food (to prevent GI upset) 🤰 Pregnancy Warning Category D Causes Ebstein anomaly (cardiac defect) Avoid in pregnancy 🧠 Scenario Trick If question says: Patient has vomiting + diarrhea + tremors On lithium Sodium low Think Lithium toxicity 📝 One-Line Memory Trick “Low Sodium = High Lithium = Toxic

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🌹 Rose day special 🌼 1.Rose sign - DVT. 2.Rose spot - typhoid. 3.Rose Waller test- rheumatoid factor. 4.Rose pink rash- erysipelas. 5. Rose thron ulcer- Crohn disease. 6.Rose Bengal stain- Sjogren syndrome (eye examination). 7.Rose Bengal card test- brucella. 8. Rose garder's disease- sporothrix schenkii. 9.Rose position-tonsillectomy. adenoidectomy 10.Rosewater syndrome- a mild form of hereditaryX-linked hypergonadotropic hypogonadism in males, characterized by sterility and gynecomastia. 11.Rose fever - hay fever causd by grass pollen or rose polen....

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