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Pituitary Medications | 마이메르시 MyMerci
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Pituitary Medications

NCLEX Review Guide: Endocrine System - Pituitary Medications

Anterior Pituitary Hormones

Growth Hormone (GH) Medications

  • Somatropin (Genotropin, Humatrope) is synthetic human growth hormone used for growth hormone deficiency in children and adults. Administration is subcutaneous, typically given at bedtime to mimic natural GH secretion patterns.
  • Octreotide (Sandostatin) is a somatostatin analog that inhibits GH release, used for acromegaly and carcinoid tumors. Monitor for hypoglycemia, gallstones, and cardiac arrhythmias.

Clinical Scenario

A 10-year-old child receiving somatropin therapy shows signs of headache, visual changes, and nausea. These may indicate increased intracranial pressure - notify physician immediately.

Key Points

  • GH therapy requires regular monitoring of blood glucose, thyroid function, and bone age
  • Rotate injection sites to prevent lipodystrophy
  • Store reconstituted medication in refrigerator, do not shake

Posterior Pituitary Hormones

Antidiuretic Hormone (ADH) Medications

  • Desmopressin (DDAVP) is synthetic ADH used for diabetes insipidus and nocturnal enuresis. Available as nasal spray, oral tablets, or injection - monitor fluid intake and electrolytes closely.
  • Vasopressin is natural ADH used for diabetes insipidus and esophageal varices. Monitor for water intoxication, hyponatremia, and cardiovascular effects.

Memory Aid: DDAVP Effects

Decreases urine output
Dangerously low sodium (watch for hyponatremia)
Antidiuretic action
Vasoconstriction (coronary risk)
Platelet aggregation (bleeding disorders)

Key Points

  • Monitor daily weights, I&O, and serum sodium levels
  • Teach patients to limit fluid intake during therapy
  • Signs of water intoxication: headache, confusion, seizures

Commonly Confused Concepts

Medication Indication Key Monitoring Major Side Effects
Somatropin GH deficiency Blood glucose, bone age Hyperglycemia, increased ICP
Octreotide Acromegaly Blood glucose, gallbladder Hypoglycemia, gallstones
Desmopressin Diabetes insipidus Sodium levels, fluid balance Hyponatremia, water intoxication

Quick Memory Trick

Pituitary Problems:
Anterior = Acromegaly (too much GH)
Posterior = Peeing problems (diabetes insipidus)

Nursing Considerations & Procedures

  1. Assessment: Obtain baseline vital signs, weight, height, and laboratory values (glucose, electrolytes, thyroid function)
  2. Administration: Follow proper injection technique for subcutaneous medications, rotate sites, store properly
  3. Monitoring: Track daily weights, I&O, signs of fluid retention or dehydration
  4. Education: Teach proper administration technique, storage requirements, and when to contact healthcare provider
  5. Evaluation: Monitor therapeutic response and adverse effects through regular follow-up assessments

Common Pitfalls

  • Confusing diabetes insipidus (too little ADH) with diabetes mellitus (insulin problem)
  • Not recognizing early signs of water intoxication with DDAVP therapy
  • Forgetting to monitor growth velocity in children receiving GH therapy
  • Inadequate patient education about proper injection techniques and storage

Quick Check Self-Assessment

Test Your Knowledge:

  • ☐ I can identify the difference between anterior and posterior pituitary hormones
  • ☐ I understand the monitoring requirements for each medication class
  • ☐ I can recognize signs of water intoxication and increased ICP
  • ☐ I know proper administration techniques for pituitary medications
  • ☐ I can teach patients about medication storage and side effects

NCLEX Success Tip

Remember: Safety First! Always prioritize monitoring for life-threatening side effects like water intoxication (hyponatremia) and increased intracranial pressure. When in doubt, choose the answer that focuses on patient safety and proper monitoring.

You've got this! Pituitary medications may seem complex, but with consistent practice and understanding of the underlying physiology, you'll master these concepts. Focus on safety, monitoring, and patient education - these are key to NCLEX success!

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