Header Image for Omeprazole vs Maalox

Omeprazole vs Maalox

Listen to the article instead of reading through it.
--:--
--:--

Overview

Omeprazole Information

Maalox Information

Effectiveness

Dosage Information

Side Effects

Contraindications

Cost

Popularity

Introduction

For patients with gastroesophageal reflux disease (GERD) or other issues with the stomach or esophagus, there are certain drugs that can reduce the amount of acid in your stomach and soothe discomfort significantly. Omeprazole and Maalox are two such medications that are commonly prescribed for these conditions. These two drugs have different mechanisms of action, but both work to manage symptoms related to acid reflux and heartburn. Omeprazole is a proton pump inhibitor (PPI), functioning by decreasing the amount of acid produced in the stomach. It's often used for long-term management of GERD or peptic ulcer disease, providing relief over time rather than immediate symptom alleviation. On the contrary, Maalox is an antacid which contains magnesium hydroxide and aluminum hydroxide. It works by neutralizing stomach acid quickly, but only offers temporary relief.

Omeprazole vs Maalox Side By Side

AttributeomeprazoleMaalox
Brand NamePrilosec, ZegeridMaalox
ContraindicationsShould not be taken with certain azole antifungals (such as ketoconazole), ampicillin, iron supplements, or digoxin without doctor supervision. Long-term use may lead to vitamin B12 deficiency.Prolonged use can cause kidney stones due to high levels of calcium. Not recommended for individuals with severe stomach pain or cramping without consulting a doctor.
CostApproximately $0.37/day for OTC; generic versions as low as $0.15/dayApproximately $10 for a 12 oz. bottle; generic versions between $0.25 and $1/day
Generic NameOmeprazoleMagnesium hydroxide and aluminum hydroxide
Most Serious Side EffectSymptoms of low magnesium in the body such as seizures, dizziness, abnormal or fast heartbeat, jitteriness; tremors (shaking) or muscle spasms; signs of lupus; signs of liver problems.Signs of an allergic reaction such as hives, itching, difficulty breathing or swallowing, swelling in the face or throat; severe stomach pain or cramping; mood changes or confusion.
Severe Drug InteractionsCertain azole antifungals (such as ketoconazole), ampicillin, iron supplements, and digoxin.Limited information provided, but generally fewer interactions due to its mechanism of action.
Typical Dose20–40 mg/day, with 20 mg/day being sufficient for most cases of GERD.2–4 teaspoons taken by mouth as needed, up to four times per day.

What is Omeprazole?

Omeprazole (commonly known by the brand name Prilosec) is a proton pump inhibitor (or PPI). The development of this class of drugs represented a significant advancement from previous antacid treatments like Maalox. Omeprazole received FDA approval in 1989. It works by reducing the production of stomach acid, thereby providing relief from symptoms associated with excessive stomach acid such as heartburn, difficulty swallowing, and persistent coughing. This makes it an ideal choice for treating conditions like GERD and erosive esophagitis. Unlike Maalox, which primarily neutralizes existing stomach acid, omeprazole acts directly on the cells that produce this acid, leading to longer-lasting symptom relief. However, omeprazole does not provide immediate relief from acute episodes of heartburn or indigestion.

What conditions is omeprazole approved to treat?

Omeprazole is approved for the treatment of various gastrointestinal conditions:

  • Gastroesophageal reflux disease (GERD)
  • Erosive esophagitis
  • Zollinger-Ellison syndrome
  • Gastric and duodenal ulcers caused by Helicobacter pylori infection, when used in combination with antibiotics.

How does omeprazole help with these illnesses?

Omeprazole works to manage acid reflux by decreasing the amount of acid produced in the stomach. It does this by blocking a system in the stomach known as the proton pump, which is responsible for secreting hydrochloric acid (the 'acid' in stomach acid). Hydrochloric acid plays an important role in digestion and maintaining pH balance within the gut, among other things. However, excessive production can lead to conditions like gastroesophageal reflux disease (GERD), peptic ulcers, and Zollinger-Ellison syndrome. By inhibiting this process, through binding with active enzymes on the surface of gastric parietal cells (proton pumps), omeprazole leads to a less-acidic environment in your gastrointestinal tract over extended periods of time.

On the contrary, Maalox acts more rapidly but for a shorter duration than omeprazole. That's because it operates differently, by neutralizing existing excess stomach acid rather than preventing its production. Its two main components - magnesium hydroxide and aluminum hydroxide - are both antacids that work by simply reducing the acidity level in your stomach directly by neutralizing acids.

Therefore, while both medications can help manage symptoms associated with excess gastric acidity such as heartburn or indigestion, omeprazole is better suited for longer-term control by preventing excess production of stomach acid, whereas Maalox offers quicker relief but requires more frequent dosing.

What is Maalox?

Maalox is a widely-recognized brand name for an over-the-counter antacid and anti-gas medication that provides relief from heartburn, indigestion, upset stomach, and bloating. It works by neutralizing gastric acid in the stomach. Maalox contains two active ingredients: magnesium hydroxide and aluminum hydroxide. These compounds work together to reduce excess stomach acid, which can help alleviate discomfort associated with heartburn or indigestion.

Being available over-the-counter since its introduction in 1949, Maalox is readily accessible without prescription. Unlike omeprazole which is a proton pump inhibitor (PPI) that reduces the production of gastric acid over time, Maalox offers immediate relief by directly counteracting existing stomach acids. However, its effect is shorter-lived.

Common side effects of Maalox are generally mild and may include constipation or diarrhea, depending on individual responses to its active ingredients.

What conditions is Maalox approved to treat?

Maalox is a widely used antacid and anti-gas medication that is recommended for the relief of:

  • Heartburn
  • Acid indigestion
  • Sour stomach
  • Bloated feelings associated with gaseous buildup.

It's an over-the-counter option that acts quickly to neutralize gastric acid in the stomach, providing prompt symptom relief.

How does Maalox help with these illnesses?

Maalox works by neutralizing stomach acid on contact, providing a quick relief from heartburn, indigestion, and gas. It contains two main ingredients. The first, magnesium hydroxide, reduces stomach acidity by binding with them to form water and other neutral substances. The other, aluminum hydroxide, also lowers acidity in the gut, but it also has a constipating effect that counterbalances the laxative properties of magnesium. Maalox provides near-immediate relief as it starts working right away when taken orally. Its rapid action can be especially beneficial for those experiencing sudden bouts of acid reflux or discomfort after meals. Nonetheless, while effective for temporary symptom control, Maalox does not treat underlying issues leading to excess acidity, which is better tackled by other types of drugs like omeprazole.

How effective are omeprazole and Maalox?

Both omeprazole and Maalox have established histories of success in treating patients with acid reflux, heartburn, and other gastric-acid related conditions. Omeprazole was approved by the FDA in 1989, while Maalox has been available over-the-counter since the 1940s. These medications work differently to control stomach acid. Omeprazole is a proton pump inhibitor that reduces the production of stomach acid, whereas Maalox is an antacid that neutralizes existing stomach acid. The effectiveness of both drugs has been studied and confirmed through various clinical trials.

Studies have shown that omeprazole effectively alleviates symptoms of gastroesophageal reflux disease (GERD) starting from the first week of treatment. Its side effect profile is favorable over that of many other antacids, and it is well-tolerated even in elderly populations. Due to its mechanism of action, working to reduce the underlying production of stomach acid, omeprazole can provide longer-lasting relief than fast-acting antacids such as Maalox.

While less effective for controlling prolonged periods of acidity relative to proton pump inhibitors like pmeprazole, antacids such as Maalox offer rapid-onset relief for acute episodes of indigestion or heartburn.

abstract image of a researcher studying a bottle of drug.

Find Top Clinical Trials

Choose from over 30,000 active clinical trials.

At what dose is omeprazole typically prescribed?

Oral dosages of omeprazole range from 20–40 mg/day, but studies have indicated that 20 mg/day is sufficient for treating gastroesophageal reflux disease (GERD) in most people. Children and adolescents may be started on 10 mg/day. In either population, dosage can be increased after a few weeks if there is no response. The maximum dosage that should not be exceeded in any case is 40 mg/day.

At what dose is Maalox typically prescribed?

Maalox treatment is typically initiated with a dosage of 2–4 teaspoons, taken by mouth as needed, up to four times per day. This medication should be used at the onset of symptoms such as heartburn, upset stomach, or acid indigestion. The dose can be increased or decreased in accordance with response and symptom control. For best results, Maalox should not be taken more frequently than every 30 minutes. An upper daily limit for adults is generally set at 16 tablespoons, divided into four doses spread throughout the day. Always consult your healthcare provider before increasing dosage, or if symptoms persist for longer than two weeks.

What are the most common side effects of omeprazole?

Common side effects of Omeprazole include:

  • Headache
  • Nausea, vomiting, diarrhea
  • Stomach pain or gas
  • Constipation
  • Dry mouth

abstract image of a patient experiencing side effect

Are there any potential serious side effects for omeprazole?

With omeprazole, some people may experience rare but more serious side effects, which include:

  • Unusual fatigue or weakness
  • Symptoms of low magnesium in the body such as seizures, dizziness, abnormal or fast heartbeat, jitteriness, tremors (shaking), or muscle spasms
  • Symptoms of lupus, like joint pain and a rash on cheeks or arms that gets worse in the sun
  • Signs of liver problems, including yellowing eyes/skin, persistent nausea/vomiting/lack of appetite, stomach/abdominal pain

If you notice any severe symptoms while taking omeprazole, it's important to seek medical help immediately.

What are the most common side effects of Maalox?

Maalox may cause side effects such as:

  • Stomach cramps
  • Diarrhea or constipation
  • Nausea or vomiting
  • Dry mouth
  • Increased thirst
  • Changes in mood or mental state (e.g., restlessness, confusion)
  • Muscle weakness or pain.

It's important to note that while these are potential side effects of Maalox, they don't occur in all individuals who take the medicine. In general, this medication is well-tolerated when used appropriately.

Are there any potential serious side effects for Maalox?

While Maalox is largely considered safe, it can sometimes cause more serious side effects. Symptoms that might indicate a more severe reaction include:

  • Signs of an allergic reaction such as hives, itching, difficulty breathing or swallowing, swelling in the face or throat
  • Severe stomach pain or cramping
  • Nausea and vomiting
  • Diarrhea
  • Mood changes or confusion
  • Unusual tiredness or weakness
  • Bone pain; muscle weakness; pain breathing; accelerated heart rate

If you experience any of these symptoms after taking Maalox, medical attention should be sought immediately. It's important to note that this list does not cover all possible side effects. Always consult your healthcare provider if you notice any changes to your health while taking Maalox.

Contraindications for omeprazole and Maalox

Both omeprazole and Maalox, as with most antacid medications, may exacerbate symptoms of gastrointestinal issues in some people. If you notice your symptoms worsening or experience severe side effects such as blood/mucus in stool, vomit that looks like coffee grounds, or persistent stomach/abdominal pain, please seek immediate medical attention.

Neither omeprazole nor Maalox should be taken without doctor supervision if you are taking certain other drugs. These include: certain azole antifungals (such as ketoconazole), ampicillin, iron supplements, and digoxin for heart problems. Always inform your healthcare provider which medications you are taking. Those taking these medications will require careful monitoring to watch for dangerous interactions with omeprazole and Maalox.

Additionally, long-term use of PPIs like omeprazole may make it harder for your body to absorb vitamin B12, leading to potential deficiency. Prolonged use of antacids like Maalox can cause kidney stones due to high levels of calcium.

How much do omeprazole and Maalox cost?

For the brand-name versions of these drugs:

  • The price of 60 capsules (20 mg) of Prilosec OTC (brand-name omeprazole) averages around $22, which works out to about $0.37/day.
  • The price for a 12-oz. bottle of Maalox Advanced Regular Strength is approximately $10, and depending on your dosage (usually between 2 to 4 teaspoons per dose), this could cost you between $0.27 to $0.55/day.

Thus, brand-name Maalox and Prilosec (omeprazole) are comparable in price, assuming typical dosages. Please note that cost should not be a primary consideration in determining which medication is right for you.

For the generic versions:

  • Generic omeprazole (20 mg tablets) can be found in packs ranging from 14 up to hundreds, with costs as low as $0.15/day depending on the quantity purchased upfront.
  • Generic Maalox, known as 'aluminum/magnesium antacids', can vary widely in cost based on size and formulation, but generally will work out to between $0.25 and $1/day.

These prices are only estimates. Actual prices may vary based on location, pharmacy, and insurance coverage.

Popularity of omeprazole and Maalox

Omeprazole, available in both prescription and over-the-counter formulations, was prescribed to approximately 15.4 million people in the US in 2020. Omeprazole is classified as a proton pump inhibitor (PPI) and works by reducing stomach acid production, making it effective for treating conditions such as gastroesophageal reflux disease (GERD), peptic ulcers, and Zollinger-Ellison syndrome. Its prevalence has been generally steady over the last decade.

Maalox, on the other hand, is an antacid that contains aluminum hydroxide and magnesium hydroxide. It's used to provide quick relief from heartburn and indigestion by neutralizing excess stomach acid, but does not have long-lasting effects like omeprazole does. Maalox comes both as a liquid for oral administration or chewable tablets. Its wide availability without a prescription makes it difficult to determine exactly how many times it was used, but it remains one of the most popular and commonly used antiacid medications due to its immediate action on symptoms.

Conclusion

Both omeprazole and Maalox have long-standing records of use in patients with acid reflux, heartburn, and other gastric conditions, with strong evidence supporting their safety and effectiveness. Due to their different mechanisms of action, they tend to be used under different circumstances. Omeprazole is a proton pump inhibitor (PPI) that works to reduce the production of stomach acid, with effects that take a while to kick in but that provide longer-term relief. It typically requires regular use over several days before full effect is seen. Maalox is an antacid that works very quickly to neutralize existing stomach acid, but does not provide sustained relief.

Omeprazole is often considered a first-line treatment option for chronic conditions like GERD or peptic ulcers due to its ability to provide sustained reduction in stomach acidity. Maalox is usually recommended for rapid relief from occasional symptoms such as heartburn.

Both drugs are available in generic form, offering potential cost savings for patients who must pay out-of-pocket. However, the brand-name versions of these drugs are not particularly expensive on a per-day cost basis.

The side effect profiles differ between the two drugs. While both omeprazole and Maalox are generally well-tolerated, omeprazole can cause common side effects like headache and diarrhea. Long-term use also carries risks, including vitamin B12 deficiency and kidney problems, among others. On the other hand, high-dose or prolonged use of Maalox can potentially cause hypermagnesemia (high magnesium levels), particularly in those with renal impairment, and cause lead to the formation of kidney stones. With both medications, patients should closely monitor their symptoms when starting treatment. If symptoms persist despite using these medications, consult with your physician or a healthcare professional promptly.