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Medications and Drugs

Brand Names: Dual Action Complete, Pepcid Complete

Generic Name: famotidine, calcium, and magnesium (Pronunciation: fam OH ti deen, KAL see um, mag NEE see um)

What is famotidine, calcium, and magnesium (Dual Action Complete, Pepcid Complete)?

Famotidine is in a group of drugs called histamine-2 blockers. Famotidine works by decreasing the amount of acid the stomach produces.

Calcium and magnesium are naturally occurring minerals that neutralize acid in the stomach.

The combination of famotidine, calcium, and magnesium is used to relieve heartburn associated with acid indigestion and sour stomach.

Famotidine, calcium, and magnesium may also be used for conditions other than those listed in this medication guide.

Pepcid Complete

round, pink, berry, imprinted with P

What are the possible side effects of famotidine, calcium, and magnesium (Dual Action Complete, Pepcid Complete)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop taking this medication and call your doctor at once if:

  • your heartburn gets worse; or
  • you still have heartburn after 2 weeks of taking famotidine, calcium, and magnesium.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about famotidine, calcium, and magnesium (Dual Action Complete, Pepcid Complete)?

Heartburn can be confused with early symptoms of heart attack. Seek emergency medical attention if you have chest pain or heavy feeling, dizziness, pain spreading to the arm or shoulder, sweating, nausea or vomiting, and a general ill feeling.

You should not use this medication if you have trouble swallowing, vomiting with blood, bloody or tarry stools, or if you are allergic to famotidine or similar medications such as ranitidine (Zantac), cimetidine (Tagamet), or nizatidine (Axid).

Ask a doctor or pharmacist about using famotidine, calcium, and magnesium if you have nausea, vomiting, stomach pain, unusual weight loss, wheezing or trouble breathing when you have heartburn, or if you have had heartburn for longer than 3 months.

Do not use more than two tablets in 24 hours.

Stop using famotidine, calcium, and magnesium if stomach pain continues or if you need to take this product for more than 14 days. You may have a more serious stomach condition that requires different treatment.

Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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