Yes, it is safe to take Advanced Maalox while pregnant. Aluminum hydroxide magnesium hydroxide; simethicone is classified in FDA pregnancy risk category C. When used occasionally at recommended doses not exceeding package labeling, aluminum and magnesium containing antacids have not been found to produce teratogenic effects and are generally considered safe for use during pregnancy.
Hypermagnesemia, hypomagnesemia, and increased tendon reflexes have been reported in infants whose mothers were using aluminum and magnesium containing antacid products chronically and in high or excessive doses during their pregnancy. No congenital defects have been reported with the use of simethicone. Animal studies with simethicone-coated cellulose suspension have not revealed maternal or fetal toxicity; however, animal studies are not always predictive of human risk. Simethicone-containing products should be used in pregnancy only when the maternal benefits outweigh the risks.It is still important to consult with your doctor before initiating any medications.