Antacids: What They Do and How to Pick the Right One

If you’ve ever felt that burning feeling after a big meal, you know how annoying acid reflux can be. Antacids are the go‑to solution for many people because they work fast and don’t need a prescription. In this guide we’ll break down exactly how antacids calm your stomach, which brands are worth trying, and what to watch out for.

How Antacids Work

Think of your stomach as a tiny acid tank. When the acid gets too strong it irritates the lining and triggers that painful burn. Antacids contain basic compounds—usually calcium carbonate, magnesium hydroxide, or aluminum hydroxide—that neutralize excess acid on contact. The reaction is quick, so you feel relief within minutes.

Because they only change the pH temporarily, antacids won’t cure underlying issues like a hiatal hernia or chronic GERD. If you find yourself reaching for an antacid more than twice a week, it’s a sign to talk to a doctor about stronger options such as H2 blockers or proton‑pump inhibitors (PPIs).

Choosing the Right Antacid

The market is crowded, but most over‑the‑counter products fall into three categories:

• Calcium carbonate (Tums, Rolaids) – fast acting and also provides a calcium boost. It can cause constipation if you take too much.
• Magnesium‑based (Mylanta, Maalox) – works well for quick relief but may lead to loose stools.
• Combination formulas – blend calcium and magnesium to balance side effects. Look for labels that list both ingredients.

When picking a product, consider these practical points:

1. Speed of relief: Chewable tablets dissolve fast, while liquid suspensions coat the stomach longer.
2. Side‑effects: If you’re prone to constipation choose a magnesium‑rich option; if diarrhea is your issue lean toward calcium carbonate.
3. Other meds: Antacids can interfere with absorption of antibiotics, thyroid meds, and iron supplements. Space them out by at least two hours.
4. Cost: Generic brands are usually cheaper and work just as well as name‑brand versions.

For people who need regular relief, a low‑dose daily regimen of calcium carbonate can keep symptoms in check without overdoing it. Always read the label for the maximum daily amount—most products advise no more than 7,500 mg of calcium carbonate per day.

When Antacids Aren’t Enough

If you experience any of these signs, stop self‑medicating and get professional advice:

• Chest pain that feels like a heart attack.
• Difficulty swallowing or feeling food stuck in your throat.
• Persistent vomiting, especially with blood.
• Weight loss or loss of appetite over weeks.

These symptoms could signal something more serious than simple heartburn. A doctor might recommend a prescription PPI like pantoprazole (which we cover in another article) or suggest lifestyle changes such as losing weight, avoiding late‑night meals, and raising the head of your bed.

Quick Tips for Faster Relief

Here are three simple habits that boost antacid effectiveness:

1. Stay upright after eating—wait at least 30 minutes before lying down.
2. Drink water with your antacid; it helps spread the medication throughout the stomach.
3. Avoid trigger foods like spicy dishes, caffeine, and citrus when you know you’re prone to reflux.

Remember, antacids are a short‑term fix. Use them wisely, watch for side effects, and don’t ignore persistent discomfort. With the right product and a few lifestyle tweaks, you can keep that burning feeling under control and get back to enjoying meals without worry.