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Digestive health · 6 min read

Heartburn vs GERD: when to see your Edmonton pharmacist.

Nearly everyone gets heartburn occasionally. A heavy meal, too much coffee, eating too close to bedtime, these are normal triggers that resolve on their own or with an antacid. But when heartburn happens two or more times a week, disrupts your sleep, or has been going on for months, you are likely dealing with gastroesophageal reflux disease, or GERD. The treatments are different, and your pharmacist at Acme Drug Mart can help you figure out which one you need.

The difference between heartburn and GERD

Heartburn is a symptom, a burning sensation behind the breastbone that rises toward the throat. It happens when stomach acid backs up into the esophagus. Occasional heartburn after a spicy meal or a few glasses of wine is common and not a medical concern.

GERD is the condition where that reflux happens frequently and causes ongoing problems. The lower esophageal sphincter, the muscle valve between your esophagus and stomach, is not closing properly. Acid repeatedly reaches the esophagus, causing inflammation, pain, and over time, potential damage to the esophageal lining.

The practical dividing line: heartburn once or twice a month is normal. Heartburn twice a week or more, especially if it has been going on for several weeks, is GERD until proven otherwise.

Symptoms people miss

GERD does not always present as obvious heartburn. Several symptoms that people attribute to other causes are actually acid reflux:

  • Chronic cough. A persistent dry cough, especially at night or after meals, can be caused by acid irritating the throat and airway.
  • Hoarse voice. Acid reaching the voice box causes inflammation that makes your voice rough or gravelly, particularly in the morning.
  • Feeling of a lump in the throat. Called globus sensation, this is often reflux-related rather than a sign of something in the throat.
  • Chest pain. GERD chest pain can feel similar to cardiac pain. If you have new or severe chest pain, get it checked out to rule out a heart problem first. But in many cases, non-cardiac chest pain turns out to be acid reflux.
  • Dental erosion. Your dentist may notice erosion on the back surfaces of your teeth from acid reaching your mouth at night. If your dentist mentions this, GERD is worth investigating.
  • Worsening asthma. Acid reflux can trigger or worsen asthma symptoms. If your asthma has gotten harder to control without a clear reason, reflux may be a contributing factor.

Over-the-counter options and how they work

The heartburn aisle has dozens of products. They fall into three categories, and understanding the differences matters because using the wrong type is the most common mistake we see.

Antacids

Products like Tums, Rolaids, and Gaviscon neutralize stomach acid that is already there. They work within minutes and provide relief for one to three hours. They are the right choice for occasional heartburn after a trigger meal. They are not effective for GERD because they do not last long enough and do not prevent acid production.

Gaviscon is slightly different. It forms a physical barrier (a raft) on top of the stomach contents that helps prevent acid from reaching the esophagus. It is a good option for reflux that happens when you lie down.

H2 blockers

Famotidine (Pepcid) is the main H2 blocker available over the counter in Canada. It reduces acid production for 8 to 12 hours. It takes 30 to 60 minutes to start working, so it is best taken before a meal you know will cause problems, or before bed for nighttime reflux. H2 blockers are good for predictable, moderate heartburn and are often a step up from antacids when heartburn happens a few times a week.

Proton pump inhibitors (PPIs)

Omeprazole (Losec, Olex) and esomeprazole (Nexium) are the strongest acid-suppressing medications available without a prescription. They block acid production at the source and reduce stomach acid output by up to 90 percent. PPIs take one to four days to reach full effect, so they are not useful for immediate relief. They are designed for daily use over a defined treatment course, typically two to eight weeks.

PPIs are the right choice for genuine GERD, frequent reflux that does not respond adequately to antacids or H2 blockers. They are not meant for occasional heartburn, and they are not meant for indefinite use without medical oversight.

Common mistakes with heartburn medication

  • Taking PPIs as needed. PPIs only work when taken consistently, once daily before a meal (ideally breakfast). Taking one only when you feel heartburn does almost nothing because they need days of regular dosing to suppress acid production effectively.
  • Using antacids for GERD. If you are reaching for Tums four or five times a week, antacids are managing the symptom without addressing the underlying problem. Step up to an H2 blocker or PPI with pharmacist guidance.
  • Staying on PPIs indefinitely. Long-term PPI use (beyond eight weeks) should be discussed with a pharmacist or doctor. Extended use has been associated with reduced absorption of magnesium, calcium, and vitamin B12, and a slightly increased risk of certain infections. If you have been on a PPI for months, come talk to us about whether it is still the right approach.
  • Ignoring interactions. PPIs interact with several common medications, including clopidogrel (Plavix), certain antifungals, and some HIV medications. If you take prescription drugs, always check with us before starting an over-the-counter PPI.

Lifestyle changes that actually help

Medication is often necessary for GERD, but lifestyle adjustments can reduce how much medication you need and sometimes eliminate it entirely. The evidence supports these specific changes:

  • Elevate the head of your bed. Raise the head of the bed by 15 to 20 centimetres using blocks or a wedge under the mattress. Extra pillows do not work well because they bend your body at the waist rather than keeping the esophagus above the stomach.
  • Do not eat within three hours of lying down. This is probably the single most effective behavioural change for nighttime reflux.
  • Lose weight if overweight. Excess abdominal weight increases pressure on the stomach and worsens reflux. Even modest weight loss helps. Our weight management program can support this if lifestyle changes alone are not enough.
  • Identify your trigger foods. Common triggers include coffee, alcohol, chocolate, tomato-based foods, citrus, spicy food, and carbonated drinks. Triggers are individual, keep a brief food diary for a week to identify yours rather than eliminating everything.
  • Stop smoking. Nicotine relaxes the lower esophageal sphincter, making reflux worse. Our quit smoking program can help.
  • Avoid tight clothing around the waist. Tight belts and waistbands increase abdominal pressure.

When to see a doctor

Your pharmacist can help you manage typical GERD with over-the-counter treatments and lifestyle advice. But some situations require medical evaluation:

  • Difficulty swallowing or food getting stuck
  • Unintentional weight loss
  • Vomiting blood or dark, tar-like stools
  • Symptoms that do not improve after two weeks of PPI therapy
  • GERD symptoms that started after age 50 for the first time
  • Chest pain (always rule out cardiac causes first)
  • Persistent symptoms despite taking a PPI correctly

We will always tell you when your symptoms need a doctor rather than a pharmacist. That is part of the assessment we do when you come in asking about heartburn.

Talk to your pharmacist

If you have been buying antacids regularly, wondering whether you need something stronger, or taking a PPI and unsure whether to keep going, walk into Acme Drug Mart. We will review what you have tried, assess whether your symptoms point to GERD or something else, recommend the right product, and tell you when to see a doctor. Call (780) 443-0202 or stop by during regular hours.

Common questions

Heartburn and GERD FAQ.

What is the difference between heartburn and GERD?

Heartburn is a symptom, a burning sensation behind the breastbone caused by stomach acid reaching the esophagus. GERD (gastroesophageal reflux disease) is the condition where this reflux happens frequently, typically twice a week or more, and causes ongoing problems. Occasional heartburn after a trigger meal is normal. Frequent heartburn is GERD and requires different treatment.

What is the difference between antacids, H2 blockers, and PPIs?

Antacids (Tums, Gaviscon) neutralize existing acid and work within minutes but only last 1 to 3 hours. H2 blockers (famotidine/Pepcid) reduce acid production for 8 to 12 hours and work well for predictable, moderate heartburn. PPIs (omeprazole, esomeprazole) are the strongest option, reducing acid by up to 90 percent, but need daily use for days before reaching full effect. Your Edmonton pharmacist can help you choose the right type.

How should I take a proton pump inhibitor (PPI)?

Take a PPI consistently once daily before a meal, ideally breakfast. PPIs only work with regular daily dosing and need several days to suppress acid production effectively. Taking one only when you feel heartburn does almost nothing. A typical treatment course is 2 to 8 weeks. Talk to your pharmacist before using a PPI for longer than 8 weeks.

Can GERD cause symptoms other than heartburn?

Yes. GERD can cause a chronic dry cough especially at night, a hoarse voice in the morning, a feeling of a lump in the throat, chest pain that mimics cardiac pain, dental erosion on the back surfaces of teeth, and worsening asthma. Many people do not realize these symptoms are related to acid reflux. Your pharmacist can help assess whether reflux may be the cause.

When should I see a doctor instead of a pharmacist for heartburn?

See a doctor if you have difficulty swallowing, unintentional weight loss, vomiting blood or dark tar-like stools, symptoms that do not improve after two weeks of PPI therapy, GERD symptoms that started after age 50 for the first time, or persistent symptoms despite correct PPI use. Your Edmonton pharmacist will always tell you when your symptoms need a doctor rather than pharmacy management.

Frequent heartburn?

Your pharmacist can help you find the right treatment and know when to see a doctor.

Walk in for a quick assessment. We will review your symptoms, recommend the right product, and make sure nothing is being missed.