How to Find Aluminum Hydroxide/Magnesium Hydroxide in Stock Near You (Tools + Tips)

Aluminum hydroxide/magnesium hydroxide is one of the most commonly used OTC antacids, sold under brand names like Mylanta and formerly Maalox. Most of the time, you can grab it off a shelf without any trouble. But when your usual store is out of stock, or you can't find your preferred formulation, it can be surprisingly frustrating — especially when your heartburn won't wait.

This guide covers the fastest and most effective ways to find aluminum hydroxide/magnesium hydroxide in stock near you, without spending hours calling pharmacies or driving all over town.

Why Might This Antacid Be Out of Stock?

While there's no active FDA shortage of aluminum hydroxide/magnesium hydroxide in 2026, certain factors can make it temporarily hard to find:

• The brand-name Maalox has been discontinued in the U.S., creating demand for equivalent generics
• Liquid suspension formulations are less commonly stocked than tablet-form antacids
• Smaller or independent pharmacies may carry only one or two antacid brands
• Regional demand spikes during holiday eating or stomach flu seasons

Step 1: Know What You're Looking For (Active Ingredients Matter)

Before you start calling around, know that many products contain the same active ingredients under different brand or store names. If you need aluminum hydroxide/magnesium hydroxide suspension, look for any product listing these on the label:

• Regular strength: 200mg aluminum hydroxide + 200mg magnesium hydroxide per 5mL
• Maximum strength: 400mg aluminum hydroxide + 400mg magnesium hydroxide per 5mL
• With simethicone: Adds 20mg or 40mg simethicone per 5mL for gas relief

A store-brand product with the same mg amounts is therapeutically equivalent to Mylanta. Don't limit yourself to one brand name — look at the drug facts label.

Step 2: Check Large Chain Pharmacies First

Large chain pharmacies carry the broadest selection of OTC antacids. Your best bets for finding aluminum hydroxide/magnesium hydroxide suspension in stock:

• CVS: Carries both Mylanta and CVS-brand generics; check the store's website for in-store inventory
• Walgreens: Stocks Walgreens-brand aluminum/magnesium antacids alongside national brands
• Walmart: Typically has the widest OTC selection and lowest prices for generic antacids
• Costco and Sam's Club: Often carry bulk-size antacids at lower per-unit costs

Step 3: Use Pharmacy Websites to Check Inventory Online

Most major pharmacy chains now let you search by product and filter by "in-store" availability at nearby locations. Go to CVS.com, Walgreens.com, or Walmart.com and search for "aluminum magnesium antacid" or "Mylanta." Filter results to show only items available for same-day pickup at stores near you.

Keep in mind that online inventory systems aren't always perfectly accurate — items shown as "in stock" can sometimes be sold out by the time you arrive. Call ahead to confirm if you're making a special trip.

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Step 4: Let medfinder Do the Calling for You

Rather than spending 30 minutes calling pharmacies and waiting on hold, use medfinder. You enter your medication and location, and medfinder calls pharmacies on your behalf to check which ones have it in stock. Results are texted directly to you — no hold music, no repeated explanations.

Step 5: Consider Ordering Online for Refills

If you use aluminum hydroxide/magnesium hydroxide antacids regularly, ordering online in advance from Amazon or a pharmacy delivery service ensures you never run out. A 12-ounce bottle of generic antacid suspension typically sells for $8-15 online. Buying a two-bottle supply gives you backup stock without breaking the bank.

Skip the calls, skip the stress.

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What If You Can't Find It Anywhere?

If you truly can't find this specific antacid formulation, several good alternatives work similarly. Read our guide to alternatives to aluminum hydroxide/magnesium hydroxide to learn about options like calcium carbonate (Tums), famotidine (Pepcid), and omeprazole (Prilosec) that may work for your symptoms.

For persistent heartburn that isn't controlled by OTC antacids, it's worth talking to your doctor. Conditions like GERD may require prescription-strength treatments.