Montelukast in pregnancy: classified as Category C. Is Montair/Montelukast safe during pregnancy? Asthma/allergy guide.

Pregnancy SafetyUse With CautionFDA Cat. CAI-Verified

Is Montelukast safe during pregnancy?

Montelukast can be continued during pregnancy if needed for asthma. Discuss alternatives with doctor.

SAFECAUTIONAVOID

Overall verdict

Use With Caution

Trimester-by-Trimester Guide

40 weeks · 3 stages · different risks

CAUTION
CAUTION
SAFE
Week 1
Week 13
Week 27Week 40
Caution

1st Trimester

Weeks 1–12 · Organs forming

Continue if already on it. Discuss with doctor.

Caution

2nd Trimester

Weeks 13–26 · Baby growing

Acceptable if needed for asthma control.

Safe

3rd Trimester

Weeks 27–40 · Final development

Can continue. Inhaled steroids are preferred.

C

Category C — Use Cautiously

Animal studies show adverse effects; weigh benefits vs. risks.

Brands Available in India

Montelukast is sold under these common brand names. All contain the same active ingredient, so safety during pregnancy is identical. Tap any brand for detailed info.

Safer Alternatives During Pregnancy

Your obstetrician may suggest one of these alternatives. Always confirm with your doctor before switching — every pregnancy is different.

Inhaled corticosteroids (Budesonide)
Salbutamol inhaler
AI-Verified · Based on FDA classifications + peer-reviewed sources

Not medical advice

Every pregnancy is different. Always consult your obstetrician before taking any medicine. Drug safety classifications can change — verify current guidelines with your doctor. For emergencies, call 112.

Frequently Asked Questions

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