What is mylanta for?

Mylanta Maximum Strength Liquid Antacid/Anti-Gas

America’s most popular liquid antacid from the #1 doctor-recommended liquid antacid brand

Need fast heartburn, acid indigestion and gas relief? Mylanta Maximum Strength, the top-selling liquid antacid, works on contact by neutralizing acid. The coating liquid antacid acts right on the source of your symptoms for quick relief. Although Mylanta Maximum Strength is the strongest Mylanta formulation you can buy, it is also gentle on your body so you can use it as directed every day.

No wonder consumers and doctors have relied on the fast-acting power of Mylanta Liquid Antacids for years. It’s the top liquid antacid brand recommended by doctors and it helps soothe and relieve heartburn, acid indigestion, sour stomach and bothersome gas symptoms.

For serious medicine that works fast and is available in great-tasting flavors, try Mylanta Maximum Strength.

  • Maximum strength acid-fighting power
  • Smooth, creamy taste
  • Multi-symptom relief
  • Extra coating power
  • Paraben-free, gluten-free, sugar-free*
  • Convenient 12 fl oz (355 ml) size

* Contains sorbitol

Lemon MintVanilla Caramel


Generic Name: Aluminum Hydroxide, Magnesium Hydroxide, and Simethicone Suspension (a LOO mi num hye DROKS ide, mag NEE zhum hye DROKS ide, & sye METH i kone)
Brand Name: Di-Gel Liquid, Mylanta

Medically reviewed by Drugs.com. Last updated on Mar 15, 2019.

  • Overview
  • Side Effects
  • Dosage
  • Interactions
  • Pregnancy
  • Reviews
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Uses of Mylanta:

  • It is used to ease too much gas in the stomach.
  • It is used to treat heartburn and upset stomach.
  • It may be given to you for other reasons. Talk with the doctor.

What do I need to tell my doctor BEFORE I take Mylanta?

  • If you have an allergy to aluminum, magnesium, simethicone, or any other part of Mylanta (aluminum hydroxide, magnesium hydroxide, and simethicone suspension).
  • If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
  • If you have kidney problems.

This is not a list of all drugs or health problems that interact with Mylanta (aluminum hydroxide, magnesium hydroxide, and simethicone suspension).

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Mylanta (aluminum hydroxide, magnesium hydroxide, and simethicone suspension) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take Mylanta?

  • Tell all of your health care providers that you take Mylanta (aluminum hydroxide, magnesium hydroxide, and simethicone suspension). This includes your doctors, nurses, pharmacists, and dentists.
  • If you are on a low-magnesium diet, talk with your doctor.
  • Do not take Mylanta (aluminum hydroxide, magnesium hydroxide, and simethicone suspension) for longer than you were told by your doctor.
  • This medicine may prevent other drugs taken by mouth from getting into the body. If you take other drugs by mouth, you may need to take them at some other time than Mylanta (aluminum hydroxide, magnesium hydroxide, and simethicone suspension). Talk with your doctor.
  • Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using Mylanta (aluminum hydroxide, magnesium hydroxide, and simethicone suspension) while you are pregnant.
  • Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

How is this medicine (Mylanta) best taken?

Use Mylanta (aluminum hydroxide, magnesium hydroxide, and simethicone suspension) as ordered by your doctor. Read all information given to you. Follow all instructions closely.

  • Take Mylanta (aluminum hydroxide, magnesium hydroxide, and simethicone suspension) after meals and at bedtime or as you have been told by your doctor.
  • Shake well before use.
  • Measure liquid doses carefully. Use the measuring device that comes with Mylanta (aluminum hydroxide, magnesium hydroxide, and simethicone suspension). If there is none, ask the pharmacist for a device to measure Mylanta (aluminum hydroxide, magnesium hydroxide, and simethicone suspension).

What do I do if I miss a dose?

  • If you take Mylanta (aluminum hydroxide, magnesium hydroxide, and simethicone suspension) on a regular basis, take a missed dose as soon as you think about it.
  • If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
  • Do not take 2 doses at the same time or extra doses.
  • Many times Mylanta (aluminum hydroxide, magnesium hydroxide, and simethicone suspension) is taken on an as needed basis. Do not take more often than told by the doctor.

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.

What are some other side effects of Mylanta?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

  • Constipation.
  • Diarrhea.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.

If OVERDOSE is suspected:

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

How do I store and/or throw out Mylanta?

  • Store at room temperature.
  • Store in a dry place. Do not store in a bathroom.
  • Do not freeze.
  • Keep lid tightly closed.
  • Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
  • Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.

Consumer information use

  • If your symptoms or health problems do not get better or if they become worse, call your doctor.
  • Do not share your drugs with others and do not take anyone else’s drugs.
  • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
  • Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
  • Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about Mylanta (aluminum hydroxide, magnesium hydroxide, and simethicone suspension), please talk with your doctor, nurse, pharmacist, or other health care provider.
  • If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Medical Disclaimer

More about Mylanta (aluminum hydroxide / magnesium hydroxide / simethicone)

  • Side Effects
  • During Pregnancy
  • Dosage Information
  • Drug Images
  • Drug Interactions
  • 1 Review
  • Drug class: antacids

Consumer resources

Other brands: Mintox, Gelusil, Mag-al Plus, Rulox, … +5 more

Other Formulations

  • Mylanta Maximum Strength
  • … +3 more

Related treatment guides

  • GERD
  • Gas
  • Indigestion

What Are Antacids?

For occasional heartburn or acid reflux, antacids may help.

Antacids are over-the-counter drugs that help manage symptoms of pain and discomfort caused by heartburn or acid reflux.

They work by neutralizing the stomach acid that irritates the stomach and esophagus.

Examples of antacids you’ll find at your local supermarket or pharmacy include:

  • Tums (calcium carbonate)
  • Citrical (calcium citrate)
  • Gaviscon (alginic acid)
  • Alka-Seltzer (sodium bicarbonate)
  • Drugs containing a combination of aluminum and magnesium, such as Mylanta, Maalox, and Gelusil

Some of these brands — like Gelusil, Mylanta Extra Strength, and Maalox Advanced — may also contain simethicone to control gas.

Warnings, Precautions, and Drug Interactions

Stop taking antacids and contact your doctor if you’ve been using antacids for 2 weeks with no improvement in your symptoms.

Ask your doctor before taking antacids if you:

  • Have kidney or liver problems
  • Are on a low-sodium diet
  • Are taking thyroid medication — such as Levoxyl or Synthroid (levothyroxine) — or the blood thinner Coumadin or Jantoven (warfarin), since antacids may interfere with these drugs

If you’re pregnant, take care to avoid antacids that contain sodium bicarbonate — like Alka-Seltzer — or are otherwise high in sodium.

If you want a calcium-based antacid but are worried about gas, you may prefer Citrical (calcium citrate) because Tums (calcium carbonate) tends to cause gas.

You can take antacids 30 minutes before you eat, but most people find longer-lasting relief from their symptoms (up to 2 hours) if they take antacids an hour after eating or when their symptoms first appear.

Common Side Effects

Side effects vary based on antacid ingredients, but can include:

  • Gas or belching
  • Swelling in the feet, ankles, and hands (products containing sodium bicarbonate, such as Alka-Seltzer)
  • Constipation (products containing calcium or aluminum)
  • Diarrhea (products containing magnesium)

Antacids that contain both magnesium and aluminum — like Maalox and Mylanta — are less likely to cause diarrhea or constipation than products containing just magnesium or aluminum, since the effects of these two ingredients tend to balance each other out.

Frequently Asked Questions (FAQ)

Do Mylanta Liquid Antacids contain any nuts (including peanuts and tree nuts)?

No, Mylanta Liquid Antacids do not contain any nuts.

Do Mylanta Liquid Antacids contain lactose?

No, Mylanta Liquid Antacids do not contain lactose.

Do Mylanta Liquid Antacids contain sorbitol?

Yes Mylanta Liquid Antacids contain sorbitol and xylitol. This may have a laxative effect or cause diarrhoea in some people.

Do Mylanta Liquid Antacids contain preservatives?

Yes, Mylanta Liquid Antacids contain preservatives that help stabilize the consistency of the product and prolong shelf life.

Do Mylanta Liquid Antacids contain sugar or sugar substitutes?

Mylanta Liquid Antacids contains small amounts of sugar subsitutes to improve the flavor of the product.

Does Mylanta contain artificial flavors (e.g., additives or flavors)?

Mylanta Liquid Antacids contain artificial flavors

What is simethicone?

Simethicone is an anti-gas (anti-flatulence) medication. It’s not absorbed by your body and acts directly in the stomach and intestines to gently break down gas bubbles.

What is aluminum hydroxide?

Aluminum hydroxide is an active ingredient which is indicated for treating heartburn, sour stomach and acid indigestion. It helps to neutralize stomach acid.

What is magnesium hydroxide?

Magnesium hydroxide is an active ingredient which is indicated for treating heartburn, sour stomach and acid indigestion. It helps to neutralize stomach acid.

Are Mylanta Liquid Antacids gluten-free?


Are Mylanta Liquid Antacids soy-free?


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As the sun begins to rise on the morning after Thanksgiving, you awaken to what can only be described as an intestinal tornado comprised of turkey gravy and creamed corn. You rapidly stumble toward the nearest bathroom, where you collapse into the fetal position, clutching at your bloated belly and praying for sweet relief.

Now you knew damn well that going back for thirds was a bad idea, so now you’re paying the price. But who are we to judge? We did the exact same thing, and we’re also looking for a cure. That’s why we asked gastroenterologist Marc Makhani, founder of LA Digestive Health and Wellness, to help us rank popular antacids by how effective they are on what we’re calling Brown Friday — from “more-turkey-please!” to “I-need-to-puke-immediately.”

Let’s soothe that tummy…

1. Gaviscon, Mylanta, Amphojel, Gelusil and Maalox (tied): These are basically variations of the same medication, since aluminum hydroxide — a naturally occurring mineral that works quickly to lower the amount of acid in the stomach — is an active ingredient in all of them. (Gaviscon, Mylanta, Gelusil and Maalox also contain some form of magnesium, which provides virtually the same alleviating effect as aluminum hydroxide.) “The aluminum and magnesium combination coats the stomach to provide some temporary relief from acid irritation,” Makhani explains. “We tend to use these for indigestion — if someone says they had a heavy meal that was a little bit acidic, or maybe they were just sensitive to what they were eating.”

Makhani goes on to explain that these antacids also provide gas relief, which means they might soothe more symptoms of indigestion than the following medications. “They hit the dyspepsia spectrum a little more broadly than, let’s say, TUMs or Rolaids,” he says.

Hot tip: While these antacids come in various formulations, at least one study has found that liquid antacids typically provide quicker relief than their tablet counterparts.

6. TUMs, Rolaids and Alka-Seltzer (tied): The main active ingredient in TUMs and Rolaids is calcium carbonate, which relieves heartburn and acid indigestion by neutralizing the acidity in the stomach. In other words, these are pretty similar to the antacids listed above; however, Makhani mentions that these might be better used to reduce heartburn than alleviate a stuffing-stuffed stomach. “If someone feels like they’re having more heartburn I’d say go for the Tums, Rolaids or Alka-Seltzer,” Makhani says. These also come strictly in tablet form, meaning they might not provide relief as quickly as the medications mentioned above.

Speaking of Alka-Seltzer, it’s a little different from the other two in that it contains a combination of aspirin, sodium bicarbonate and anhydrous citric acid. “It’s really the sodium bicarbonate that provides the neutralizing factor,” Makhani says. Similar to TUMs and Rolaids, Alka-Seltzer is best used to soothe heartburn. That said, the inclusion of aspirin might also help massage that holiday hangover away if you drank your way through Thanksgiving dinner.

9. Pepto-Bismol: Bismuth subsalicylate is the active ingredient in Pepto-Bismol. “It works by suppressing some of the bacteria ,” Makhani explains. “I tend to use this more for somebody who gets traveler’s diarrhea or an upset stomach, not really for indigestion or upper heartburn symptoms. I mean, you could use it — it actually says, if you look it up online, that it can treat occasional heartburn — but I use it more for lower gastrointestinal symptoms.”

10. Milk of Magnesia: “Milk of magnesia is good for constipation,” Makhani explains. “You probably won’t need this unless you get constipated from your turkey meal a few days later.”

It’s worth knowing that none of these medications are, as far as we know, indisputably more effective than the others. The better takeaway should be that the winning medications (Gaviscon, Mylanta, Amphojel, Gelusil and Maalox) provide broader relief for the basic symptoms associated with eating way too much on Thanksgiving; the second-place medications (TUMs, Rolaids and Alka-Seltzer) are better used to tackle heartburn; the third-place medication (Pepto-Bismol) might make more sense as a preventative defense against diarrhea while you fly out to see your family; and finally, the last-place medication (Milk of Magnesia) is best for helping you shit out that entire Thanksgiving dinner three days later.

So for now, take a Maalox and lie down until that gravy-nado calms down.

Ian Lecklitner

Ian Lecklitner is a staff writer at MEL Magazine. He mostly writes about everyone’s favorite things: Sex, drugs and food.

Safety Announcement
Additional Information for Consumers
Additional Information for Healthcare professionals
Product Label Photos

Safety Announcement

The U.S. Food and Drug Administration (FDA) has received five reports of serious medication errors involving consumers who used Maalox Total Relief, the upset stomach reliever and anti-diarrheal medication, by mistake, when they had intended to use one of the traditional Maalox liquid antacid products.

Due to the potential for serious adverse events from product confusion, the maker of Maalox brand products has agreed to:

  • Change the name of Maalox Total Relief to one that will not include the name “Maalox” and revise the graphics and information displayed on the front of the product container to help distinguish the active ingredients and uses of this product from the traditional Maalox antacids.
  • An educational program that includes outreach to healthcare professionals and consumers to inform them about the different products sold under the Maalox brand, including how to select the appropriate Maalox brand product.
  • Active safety monitoring and reporting of adverse events associated with the use of Maalox brand products.

The company expects to begin selling the renamed product in September 2010. Until that time, healthcare professionals and consumers should be aware of the following:

  • Maalox Total Relief and the traditional Maalox products are both liquid medications available without a prescription (OTC), but are NOT interchangeable. These products are intended to treat different medical conditions.
  • Maalox Total Relief is not appropriate for individuals who want to use an antacid, especially if they have a history of gastrointestinal ulcer disease or a bleeding disorder.
  • Maalox Total Relief contains the active ingredient bismuth subsalicylate and is used to treat diarrhea, upset stomach associated with nausea, heartburn, and gas due to overindulgence in food (overeating).Bismuth subsalicylate is chemically related to aspirin and may cause similar adverse effects such as bleeding. Bismuth subsalicylate has a warning statement stating that it should not be used in people who have or have a history of gastrointestinal ulcers or a bleeding disorder.
  • Maalox Total Relief should not be used in children and teenagers if they are recovering from a viral infection. The product should also not be used in people who are taking oral anti-diabetic medications, blood thinning medications such as Coumadin (warfarin) or Plavix (clopidogrel), and non-steroidal anti-inflammatory drugs (NSAIDS) like ibuprofen and naproxen.
  • The traditional Maalox liquid products including Maalox Advanced Regular Strength and Maalox Advanced Maximum Strength are well-recognized antacid drug products that contain aluminum hydroxide, magnesium hydroxide, and simethicone. Both are OTC products and are used for the relief of acid indigestion, heartburn, sour stomach, upset stomach, and pressure and bloating commonly referred to as gas.
  • Maalox Total Relief should not be confused with traditional Maalox liquid antacid products.

FDA is concerned about the public health impact of medication mix-ups with products that have the same names or portions of the same name but contain different active ingredients. The agency encourages drug companies to consider the potential for name confusion when choosing OTC product names.

Additional Information for Consumers

To help avoid potentially serious health risks associated with Maalox product mix-ups, the FDA recommends that consumers:

  • Check with a healthcare professional or pharmacist if they are not sure what Maalox product is right for them.
  • Carefully look at the labels of all Maalox products to make sure the right product is being purchased for the right condition.
  • Read the active ingredients, uses and warnings in the “Drug Facts” box prior to purchasing any Maalox product.
  • Report any side effects from the use of Maalox products to the FDA MedWatch program, using the information at the bottom of this page.

Additional Information for Healthcare Professionals

  • When recommending an OTC product such as Maalox, refer to the product by its full product name (for example, Maalox Total Relief, Maalox Advanced Regular Strength, or Maalox Advanced Maximum Strength) or use the active ingredient name.
  • Ensure that patients know the product name and understand the uses of the product prior to purchase.
  • Report adverse events or medication errors involving Maalox products, such as using the wrong product because of confusing names, to the FDA MedWatch program using the information at the bottom of this page.

Product Label Photos

Maalox Total Relief and Maalox have similar packaging, but are not interchangeable.

Related Information

  • Avoid Maalox Mix-Ups
  • Product Confusion with Maalox Total Relief and Maalox Liquid Products

Mylanta returns to shelf with new formulas, products

WESTPORT, Conn. — Heartburn and stomach remedy Mylanta is hitting retail shelves nationwide once again, but this time with an improved taste, extra coating power and new products.

After leaving the U.S. market in 2010 due to supply issues, the brand has updated Mylanta Maximum Strength’s classic lemon mint liquid antacid/anti-gas remedy to offer a smoother, creamier formulation, and is joined by the modern flavor of vanilla caramel – a decadent flavor that is new to the antacid category.

Additionally, new Mylanta Tonight delivers a honey chamomile flavor to help soothe heartburn after dinner, while new Mylanta Gas Minis, an extra-strength anti-gas remedy in a unique and great-tasting mini tablet, are also being introduced.

“According to recent figures shared by the American College of Gastroenterology, a staggering 60 million American adults experience acid indigestion or heartburn at least once a month, while more than 15 million experience it daily,” said Jamie Barickman, president of Infirst Healthcare, the makers of new Mylanta. “A trusted brand by consumers and doctors alike is back and improved to help today’s heartburn sufferers.”

Mylanta products deliver soothing, fast relief from the symptoms of acid indigestion or heartburn, and yet are gentle on the body, so they can be used more often than medicines that reduce stomach acid by altering the body’s digestive system.

New Mylanta is being brought back to the marketplace by Infirst Healthcare, under license from McNeil Consumer Pharmaceuticals, a division of Johnson & Johnson.

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