II. Precautions

  1. Write for generic Nifedipine ER to allow pharmacist to substitute between multiple similar ER preparations
    1. (2016) Presc Lett 23(7): 39-40

IV. Indications

V. Contraindications

  1. Congestive Heart Failure
  2. Aortic Stenosis
  3. Avoid in Diabetes Mellitus (may increase Proteinuria)
  4. Concomitant use of Magnesium Sulfate
    1. Theoretically deactivates Calcium Gluconate antidote

VI. Dosing: Hypertension

  1. Nifedipine (Procardia) XL 30-60 mg PO qd (Maximum 120 qd)

VII. Dosing: Preterm Labor

  1. Load: Nifedipine 10 mg sublingual every 20 minutes for 3 doses
  2. Maintenance: Nifedipine10 to 20 mg PO every 4 to 8 hours

VIII. Adverse Effects

  1. See Calcium Channel Blockers
  2. Avoid short acting agents (increased coronary risk)
  3. Fetal effects
    1. Risk of Intrauterine Growth Retardation

IX. Monitoring: When used in Preterm Labor

Images: Related links to external sites (from Bing)

Related Studies

Cost: Medications

nifedipine (on 12/21/2022 at Medicaid.Gov Survey of pharmacy drug pricing)
NIFEDIPINE 10 MG CAPSULE Generic $0.32 each
NIFEDIPINE 20 MG CAPSULE Generic $0.97 each
NIFEDIPINE ER 30 MG TABLET Generic $0.13 each
NIFEDIPINE ER 60 MG TABLET Generic $0.15 each
NIFEDIPINE ER 90 MG TABLET Generic $0.28 each