Pregnancy · Digestive
Acid Reflux in Pregnancy
Heartburn shows up for ~50% of pregnancies, especially in the third trimester. These are the OB-cleared first lines.
Reviewed Apr 2026 by Nadia, PharmD
Common symptoms
- Burning after meals
- Worse lying down
- Third-trimester reflux
- Nighttime symptoms
What pharmacists reach for
Organized by what you're trying to do right now. Every product carries an honest evidence rating.
Refine
After-meal relief
Calcium carbonate and alginate-based antacids are first-line in pregnancy — neither is meaningfully absorbed. Skip sodium bicarbonate and bismuth.
Quick guide
When to talk to a pro
- You want help choosing the right sunscreen ingredient for your trimester.
- You are unsure which antihistamine is safe at your stage of pregnancy.
- You are travelling somewhere with a high risk of mosquito-borne disease.
- Your rhinitis or allergy symptoms are significantly you throughout the day.