Is Robitussin Dm Safe During Pregnancy

Status

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

Reason

Limited official pregnancy data. Use only if needed and check with your OB/GYN or prescriber.

Drug Information

Brand Name
Robitussin DM
Generic Name
dextromethorphan + guaifenesin
Drug Class
antitussive + expectorant
FDA Category
N/A (PLLR narrative label)
Rx Status
OTC

Safe Amount

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

Effects

Pregnancy
OTC cold medicines can lead to accidental overuse or duplicate ingredients; pregnancy dosing limits may apply.
Mother
May cause drowsiness, dizziness, stomach upset, or nausea.
Baby
No clear increase in birth defects has been shown for dextromethorphan; guaifenesin data are limited and may have small possible risks.

Trimester Notes

1st Trimester
Data for dextromethorphan are reassuring, but guaifenesin has limited pregnancy data. Use only if needed and with provider review.
2nd Trimester
Use only if needed. Check with your OB/GYN or prescriber before use.
3rd Trimester
Use only if your prescriber says it is needed. Watch for duplicate cough/cold products.

Conditions & Warnings

  • Consult OB/GYN or prescriber
  • OTC pregnancy dosing limits may apply
  • Avoid duplicate products with the same active ingredients

Alternatives

  • Humidifier or steam
  • Fluids and rest
  • Honey for cough if appropriate
  • Saline nasal spray

References

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