Treats indigestion, gas, heartburn, peptic ulcers, and other digestive problems.

Brand Name(s):

Maalox, Mylanta, Gaviscon, Genaton, Alenic Alka, Alamag, Rulox, Gaviscon Esrf, Mylanta Ultimate Strength, Acid Gone, Di-Gel, Mi-Acid, Almacone, Mag-Al Plus, The Medicine Shoppe Antacid

When This Medicine Should Not Be Used:

How to Use This Medicine:

Tablet, Chewable Tablet, Liquid, Capsule

• Your doctor will tell you how much of this medicine to use and how often. Do not use more medicine or use it more often than your doctor tells you to.
• If you are using this medicine without a prescription, follow the instructions on the medicine label.
• If you are being treated for peptic ulcer, keep using this medicine for as long as your doctor tells you to.
• Shake the oral liquid just before using. Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.
• Chew the chewable tablet before swallowing. Do not swallow whole.

If a dose is missed:

• Take the missed dose as soon as possible.
• If it is almost time for your next regular dose, wait until then take the medicine and skip the missed dose.
• You should not use two doses at the same time.

How to Store and Dispose of This Medicine:

• Store at room temperature away from heat and moisture. Do not freeze the oral liquid.
• Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.
• Keep all medicine away from children and never share your medicine with anyone.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

• You should not use antacids within 1 to 2 hours before or after using other medicines.
• If you are using this medicine for an ulcer, be sure to follow any diet instructions given to you by your doctor.

Warnings While Using This Medicine:

• If you are pregnant or breastfeeding, talk to your doctor before using this medicine.
• Make sure your doctor knows if you have kidney disease or liver disease.
• You should not use certain brands of this medicine if you have kidney disease or are on dialysis. Some brands contain ingredients that could be harmful if your kidneys are not working properly. Always ask your health caregiver what specific brands of this medicine will work best for you.
• Antacids may contain large amounts of salt. Talk to your doctor before taking this medicine if you are on a low-sodium (low-salt) diet.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

• Irregular heartbeat
• Excessive weakness or tiredness
• Severe stomach pain

If you notice these less serious side effects, talk with your doctor:

• Constipation
• Diarrhea
• Unpleasant or chalky taste
• White colored stools