Questions and Answers
What is the generic name for Magnesium Hydroxide?
magnesium hydroxide
Which of the following are trade names for Magnesium Hydroxide? (Select all that apply)
What is the therapeutic classification of Magnesium Hydroxide?
mineral and electrolyte replacements/supplements, laxatives
What is the pharmacologic classification of Magnesium Hydroxide?
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What are the indications for Magnesium Hydroxide?
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What actions does Magnesium Hydroxide perform?
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What is the therapeutic effect of Magnesium Hydroxide?
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What are the common adverse reactions/side effects of Magnesium Hydroxide?
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What are the contraindications for using Magnesium Hydroxide?
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What nursing implications should be considered when administering Magnesium Hydroxide?
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What are some key points for client teaching regarding Magnesium Hydroxide?
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Study Notes
Magnesium Hydroxide (Milk of Magnesia) Overview
- Generic name: magnesium hydroxide
- Trade names include Dulcolax Magnesia Tablets, Phillips Magnesia Tablets, and Phillips Milk of Magnesia (MOM).
Therapeutic and Pharmacologic Classifications
- Therapeutic classification: mineral and electrolyte replacements/supplements, laxatives.
- Pharmacologic classification: salines.
Clinical Indications
- Used for treatment or prevention of hypomagnesemia.
- Acts as a laxative for bowel evacuant in preparation for surgical or radiographic procedures.
- Functions as an antacid and laxative (Milk of Magnesia).
Mechanism of Action
- Plays an essential role in neurotransmission and muscular excitability.
- Osmotically active in the gastrointestinal (GI) tract, drawing water to induce peristalsis.
Therapeutic Effects
- Corrects magnesium deficiency states.
- Aids in colon evacuation.
- Attracts water into the intestine, functioning as a laxative.
- Reduces gastric acidity, serving as an antacid.
Adverse Reactions and Side Effects
- Frequent GI effects: diarrhea, abdominal pain, altered fluid and electrolytes, nausea.
- Dermatological reactions: flushing, sweating.
Contraindications
- Not safe for individuals with hypermagnesemia, hypocalcemia, anuria, or heart block.
- Usage during pregnancy can cause magnesium toxicity in newborns unless given within 2 hours of delivery; caution in preterm or active labor.
- Caution in patients with renal insufficiency.
Nursing Implications
- For laxative use: assess for abdominal distention, bowel sounds, and normal bowel function.
- Monitor color, consistency, and amount of stool produced.
- For antacid use: evaluate heartburn and indigestion, including character, duration, and triggers of gastric pain.
Patient Education
- Avoid taking magnesium hydroxide within 2 hours of other medications, especially fluoroquinolones, nitrofurantoin, and tetracyclines.
- Patients should consult healthcare providers if problems persist beyond two weeks, or if symptoms of gastric bleeding occur.
- Limit laxative use to short-term to prevent electrolyte imbalances and dependence.
- Encourage dietary changes, increased fluid intake, and mobility to regulate bowel functions.
- Advise immediate reporting of unrelieved constipation, rectal bleeding, or signs of electrolyte imbalance.
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Description
Explore the therapeutic and pharmacologic aspects of magnesium hydroxide, commonly known as Milk of Magnesia. This quiz covers its clinical indications, mechanism of action, and therapeutic effects in treating conditions like hypomagnesemia and as a laxative. Gain a deeper understanding of this essential mineral supplement.