Heartburn During Pregnancy: Causes, Relief, and Prevention

Heartburn (acid reflux) is a common complaint during pregnancy. It can be uncomfortable and may interfere with sleep or daily life, but most cases can be managed with lifestyle changes and safe medications when needed. Below you'll find clear, practical advice to relieve symptoms and reduce recurrence.

Why Heartburn Happens in Pregnancy

Two main factors cause heartburn in pregnancy: hormonal changes (progesterone relaxes the valve between the stomach and esophagus) and the growing uterus pushing on the stomach, which can force stomach acid upward. Symptoms may begin at any time but often become more noticeable after 12 weeks and later in pregnancy. :contentReference[oaicite:0]{index=0}

Common Symptoms

• Burning sensation in the chest (behind the breastbone)
• Acidic taste or regurgitation of food
• Bloating, burping, or feeling full after small meals

Lifestyle Changes That Help (First-line)

Start with simple, low-risk measures — many women find these reduce or eliminate heartburn:

• Eat smaller, more frequent meals instead of large meals. :contentReference[oaicite:1]{index=1}
• Avoid trigger foods: spicy, fatty, fried foods, tomato products, citrus, chocolate, caffeine, and carbonated drinks. :contentReference[oaicite:2]{index=2}
• Don’t lie down for at least 2–3 hours after eating; elevate the head of the bed when sleeping. :contentReference[oaicite:3]{index=3}
• Wear loose clothing and avoid bending or heavy lifting right after meals. :contentReference[oaicite:4]{index=4}

Safe Over-the-Counter Options

If lifestyle changes are insufficient, some antacids and acid-reducing medicines are considered safe in pregnancy — but always check with your healthcare provider or pharmacist first. Calcium-containing antacids (e.g., Tums) are commonly recommended for quick relief; H2 blockers (like ranitidine alternatives such as famotidine) or proton-pump inhibitors may be used under medical advice for persistent symptoms. Avoid antacids containing high sodium bicarbonate or bismuth unless directed by a clinician. :contentReference[oaicite:5]{index=5}

When to Contact Your Provider

Seek medical advice if you have severe, persistent heartburn that doesn’t respond to the above measures, or if you experience:

• Difficulty swallowing or unintentional weight loss
• Severe chest pain (rule out cardiac causes)
• Vomiting that prevents keeping fluids down

Your provider can check for complications and recommend safe medications or further testing if needed. :contentReference[oaicite:6]{index=6}

Practical Tips That Many Parents Find Helpful

✔ Sip water between bites and chew slowly.
✔ Choose low-fat preparations (grilled vs. fried).
✔ Try ginger (in moderation) for mild nausea and digestion support.
✔ Space iron supplements away from antacids to avoid interaction. :contentReference[oaicite:7]{index=7}

Key Takeaways

• Heartburn is common in pregnancy due to hormones and pressure on the stomach. :contentReference[oaicite:8]{index=8}
• Start with lifestyle and dietary changes — they often work well. :contentReference[oaicite:9]{index=9}
• Safe antacids (like calcium-based) and, if needed, H2 blockers or PPIs can be used after consulting your provider. :contentReference[oaicite:10]{index=10}
• Contact your healthcare provider for severe or persistent symptoms. :contentReference[oaicite:11]{index=11}

Disclaimer

This article is informational and not a substitute for professional medical advice. Always consult your obstetrician, midwife, or pharmacist before starting medications or if you have concerns about symptoms during pregnancy.

References

• Indigestion and heartburn in pregnancy — NHS. :contentReference[oaicite:12]{index=12}
• Heartburn and acid reflux — Mayo Clinic. :contentReference[oaicite:13]{index=13}
• Heartburn during pregnancy — Cleveland Clinic. :contentReference[oaicite:14]{index=14}
• Problems of the digestive system in pregnancy — ACOG. :contentReference[oaicite:15]{index=15}
• Evidence review: Antacid use and GERD treatment in pregnancy. :contentReference[oaicite:16]{index=16}