Skip to Content

Famotidine, Calcium Carbonate, and Magnesium Hydroxide

Generic Name: Famotidine, Calcium Carbonate, and Magnesium Hydroxide (fa MOE ti deen, KAL see um KAR bun ate, & mag NEE zhum hye DROKS ide)
Brand Name: Dual Action Complete, Pepcid Complete, Tums Dual Action

Uses of Famotidine, Calcium Carbonate, and Magnesium Hydroxide:

  • It is used to treat heartburn and sour stomach.

What do I need to tell my doctor BEFORE I take Famotidine, Calcium Carbonate, and Magnesium Hydroxide?

  • If you have an allergy to famotidine, calcium carbonate, magnesium hydroxide, or any other part of famotidine, calcium carbonate, and magnesium hydroxide.
  • 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 any of these health problems: Black or bloody stools; heartburn with light-headedness, sweating, or dizziness; chest pain; shoulder pain with shortness of breath; pain that spreads to the arms, neck, or shoulders; light-headedness; sweating a lot; throwing up blood; or trouble or pain swallowing food.
  • If you are using another drug like this one.

This is not a list of all drugs or health problems that interact with this medicine.

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 famotidine, calcium carbonate, and magnesium hydroxide 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 Famotidine, Calcium Carbonate, and Magnesium Hydroxide?

  • Tell all of your health care providers that you take this medicine. This includes your doctors, nurses, pharmacists, and dentists.
  • Do not take famotidine, calcium carbonate, and magnesium hydroxide for more than 2 weeks unless told to do so 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 this medicine. Talk with your doctor.
  • If you have phenylketonuria (PKU), talk with your doctor. Some products have phenylalanine.
  • If you are 65 or older, use famotidine, calcium carbonate, and magnesium hydroxide with care. You could have more side effects.
  • Do not give this medicine to a child younger than 12 years old without first checking with the 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 famotidine, calcium carbonate, and magnesium hydroxide 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 (Famotidine, Calcium Carbonate, and Magnesium Hydroxide) best taken?

Use this medicine as ordered by your doctor. Read all information given to you. Follow all instructions closely.

  • Chew well before swallowing.

What do I do if I miss a dose?

  • This medicine 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 or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.

What are some other side effects of Famotidine, Calcium Carbonate, and Magnesium Hydroxide?

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 you have any side effects that bother you or do not go away.

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.

See also: Side effects (in more detail)

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 Famotidine, Calcium Carbonate, and Magnesium Hydroxide?

  • Store at room temperature.
  • Store in a dry place. Do not store in a bathroom.
  • Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
  • Check with your pharmacist about how to throw out unused drugs.

Consumer Information Use and Disclaimer

  • 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 famotidine, calcium carbonate, and magnesium hydroxide, 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.

This information should not be used to decide whether or not to take this medicine or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about famotidine, calcium carbonate, and magnesium hydroxide. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using famotidine, calcium carbonate, and magnesium hydroxide.

Review Date: October 4, 2017

Hide