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Calcium carbonate / magnesium hydroxide Pregnancy and Breastfeeding Warnings

Calcium carbonate / magnesium hydroxide is also known as: Fast Acting Mylanta, Masanti Supreme, Mi-Acid Double Strength, Mylanta Gelcap, Mylanta Supreme, Mylanta Ultra, Rolaids Extra Strength, Rolaids Regular Strength, Rolaids Ultra Strength, Rolaids Ultra Strength Softchews

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

Calcium carbonate / magnesium hydroxide Pregnancy Warnings

There are no controlled data using calcium carbonate in human pregnancy; however, based on years of use, the malformative risk is unlikely in humans. In some patients, permanent hypercalcemia has resulted in adverse events on the fetus. Animal studies using magnesium carbonate have not been reported. There are no controlled data using either of the drugs, alone or in combination, in human pregnancy.

The manufacturer makes no recommendation regarding use during pregnancy.

AU pregnancy category: Not formally assigned to a pregnancy category.
US FDA pregnancy category: Not formally assigned to a pregnancy category.

Comment: Some experts state that patients should consider limiting their daily intake of calcium to 2500 mg.

See references

Calcium carbonate / magnesium hydroxide Breastfeeding Warnings

The manufacturer makes no recommendation regarding use during lactation.

Excreted into human milk: Yes

Comments:
-Calcium carbonate has been used without apparent harmful effects in the nursing infant.
-The WHO considers aluminum hydroxide compatible with breastfeeding.
-Some authorities recommend monitoring breastfed infants for adverse effects.

See references

References for pregnancy information

  1. "Product Information. Calci-Chew (calcium carbonate)." R & D Laboratories Inc, Marina Del Rey, CA.
  2. "Product Information. Rolaids (calcium carbonate-magnesium hydroxide)." Pfizer U.S. Pharmaceuticals Group, New York, NY.
  3. "Product Information. Rolaids Extra Strength (calcium carbonate-magnesium hydroxide)." Pfizer U.S. Pharmaceuticals Group, New York, NY.
  4. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
  5. "Product Information. Rolaids Soft Chew (calcium carbonate)." Johnson and Johnson/McNeil Consumer, Fort Washington, PA.
  6. Cerner Multum, Inc. "Australian Product Information." O 0

References for breastfeeding information

  1. Cerner Multum, Inc. "Australian Product Information." O 0
  2. United States National Library of Medicine "Toxnet. Toxicology Data Network. Available from: URL: http://toxnet.nlm.nih.gov/cgi-bin/sis/htmlgen?LACT." ([cited 2013 -]):
  3. Department of Adolescent and Child Health and Development. UNICEF. World Health Organization "Breastfeeding and maternal medication: recommendations for drugs in the eleventh Who model list of essential drugs. Available from: URL: http://whqlibdoc.who.int/hq/2002/55732.pdf?ua=1" ([2003]):
  4. "Product Information. Rolaids Soft Chew (calcium carbonate)." Johnson and Johnson/McNeil Consumer, Fort Washington, PA.
  5. Briggs GG, Freeman RK. "Drugs in Pregnancy and Lactation. 10th ed." Philadelphia, PA: Wolters Kluwer Health (2015):
  6. "Product Information. Rolaids Extra Strength (calcium carbonate-magnesium hydroxide)." Pfizer U.S. Pharmaceuticals Group, New York, NY.
  7. "Product Information. Rolaids (calcium carbonate-magnesium hydroxide)." Pfizer U.S. Pharmaceuticals Group, New York, NY.

Further information

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

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