Nifedipine

Question 1

Nifedipine Dosage?

Answer 1

• Initial 10mg TID
• Maintenance 10-20mg TID
• MAX 180 mg

Question 2

Nifedipine Action?

Answer 2

-Slows movement of calcium into myocardial and vascualr smooth muscle cells by deforming calclium channels in cell membranes
- decreases intercellular calcium levels

Question 3

Nifedipine contraindications?

Answer 3

• Hypersensitivity to med or components
• heart block ( 3 or 4)

Question 4

Nifedipine interactions?

Answer 4

• Fentanyl
• Beta blockers
• Digoxin
• Phenytonin
• Grapefruit

Question 5

Nifedipine complications?

Answer 5

• Anxiety
  -Bradycardia
• heart failure
• Hypotension
• Gi bleed/ obstruction
• Thrombocytopenia
• Stephen Johnson syndrome

Question 6

Nifedipine Education?

Answer 6

• Take as prescribed (even when feeling better)
• Do not take with grapefruit juice
• Advise provider if missed two or more doses
• Use caution with hot tubs
• Avoid prolonged sun exposure
• Increase fluid intake

Question 7

Nifedipine class?

Answer 7

• Antihypertensive
• Antianginal
  Calcium channel blocker

Question 8

Nifedipine use?

Answer 8

• Hypertension ( extended release)
• Angina Pectoris
• Vasospastic angina
  ( unlabeled use - prevention of migraine headache)