Is Nifedipine Safe in Pregnancy

Status

caution Last reviewed: 2026-05-16 · Confidence: moderate

Reason

Used in pregnancy when benefits outweigh risks; provider review needed for blood pressure or preterm labor use.

Drug Information

Brand Name
Procardia XL, Adalat CC
Generic Name
nifedipine
Drug Class
Dihydropyridine calcium channel blocker
FDA Category
C
Rx Status
prescription

Safe Amount

Dosage must be determined by your provider based on individual risk/benefit.

Effects

Pregnancy
Used for hypertension and preterm labor in some pregnancies. Official labeling says use only if benefit justifies risk.
Mother
May lower blood pressure and cause flushing, headache, dizziness, swelling, or fast heart rate.
Baby
May cross the placenta; limited human data. Some reports note possible low birth weight or preterm birth, but this may reflect the underlying condition.

Trimester Notes

1st Trimester
Human data are limited. Use only if your provider feels benefits outweigh risks.
2nd Trimester
May be used when needed for blood pressure control. Provider monitoring is important.
3rd Trimester
May be used late in pregnancy for blood pressure control or tocolysis when prescribed; monitor mother and baby closely.

Risk-Benefit Note

For antihypertensive use in pregnancy, nifedipine is an accepted option when the benefit outweighs risk. Do not stop it without your prescriber’s advice.

Conditions & Warnings

  • Consult OB/GYN or prescriber
  • Prescription drug: do not stop or continue without provider review
  • Pregnancy hypertension
  • Preterm labor
  • Breastfeeding may need provider review

Alternatives

  • Labetalol
  • Methyldopa
  • Hydralazine
  • Provider-directed non-drug measures for blood pressure

References

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