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Simethicone use while Breastfeeding

Drugs containing Simethicone: Maalox, Mylanta, Mylicon, Gas-X, Phazyme, Almacone, Maalox Advanced Regular Strength, Rulox, Gelusil, Mintox, Show all 111 »Maalox Anti-Gas, FIRST Mouthwash BLM, Tums Plus, Mylanta Gas Maximum Strength, Mylanta Maximum Strength, Bicarsim, Maximum Strength Phazyme 125 Softgels, Mytab Gas, Imodium Multi-Symptom Relief, Phazyme-95, Phazyme-125, Bicarsim Forte, Alka-Seltzer Anti-Gas, Mi-Acid Gas Relief, Gas Relief Extra Strength, Ovol, E-Z-Gas II, Gas-X Extra Strength, Tempo, Maldroxal Plus, Alamag Plus, Mi-Acid, Mag-al Plus, Maalox Advanced Maximum Strength, Anti-Gas Ultra Strength, Gas-X Ultra Strength, PediaCare Infants' Gas Relief Drops, Micon-80, Baby Gasz, Phazyme Maximum Strength, Majorcon, CVS Gas Relief, Genasyme, Gas-Aid Extra Strength, Gas Free Extra Strength, Phazyme Ultra Strength, Gerber Gas Relief, Infantaire Gas Relief, Gas Aide, Phazyme Ultra, Flatulex Drops, Gas-X Regular Strength, Maalox Anti-Gas Extra Strength, Equalize Gas Relief Drops, Little Tummys, Mylaval, Riopan Plus, Colicon, Colic Drops, SimePed, Major-Con, Mylanta Gas, Lowsium Plus, Gas-X with Maalox, Ron-Acid Plus, Mylagen, Aldroxicon I, Urban DS, Urban, Uni-Lan II, Uni-Lan, Di-Gel, Rulox Plus, Magaant, Mylagen-II, Mintox Plus, Mintox Extra Strength, Almacone-2, Mi-Acid II, Masanti, Masanti DS, Mylanta DS Fast Acting, Mylanta Fast Acting, Milantex Maximum Strength, Milantex, Flanax Antacid Liquid, Aldroxicon II, Mintox Maximum Strength, Losospan Plus, Maalox Advanced Maximum Strength Chewable, Riopan Plus Double Strength, Magaldrate Plus Suspension, Riopan Plus 2, Flatulex, Maalox Max Quick Dissolve, Gas-X with Maalox Extra Strength, Titralac Plus Liquid, Alka-Seltzer Heartburn + Gas ReliefChews, Maalox Junior Relief Chewable, Tums Chewy Bites with Gas Relief (Lemon & Strawberry), Mylanta Maximum Strength Cherry, Rolaids Extra Strength Plus Gas Relief Softchews, Alka-Seltzer Heartburn + Gas, Titralac Plus, Di-Gel Lemon, Di-Gel Mint, Advanced Formula Di-Gel, Rolaids Advanced, Mylanta Tonight, Rolaids Multi-Symptom, Mylanta Gas Minis

Medically reviewed on September 7, 2017

Simethicone Levels and Effects while Breastfeeding

Summary of Use during Lactation

Although no data are available on the use of simethicone during breastfeeding, it is known that simethicone is not absorbed orally. Therefore, it cannot be transferred to breastmilk. It is also used safely in breastfed infants.[1][2] No special precautions are required.

Drug Levels

Maternal Levels. Relevant published information was not found as of the revision date.

Infant Levels. Relevant published information was not found as of the revision date.

Effects in Breastfed Infants

Relevant published information was not found as of the revision date.

Effects on Lactation and Breastmilk

Relevant published information was not found as of the revision date.


1. Hagemann TM. Gastrointestinal medications and breastfeeding. J Hum Lact. 1998;14:259-62. PMID: 10205441

2. Savino F, Pelle E, Palumeri E et al. Lactobacillus reuteri (American Type Culture Collection Strain 55730) versus simethicone in the treatment of infantile colic: a prospective randomized study. Pediatrics. 2007;119:e124-30. PMID: 17200238

Simethicone Identification

Substance Name


CAS Registry Number


Drug Class

Antifoaming Agents

Administrative Information

LactMed Record Number



Information presented in this database is not meant as a substitute for professional judgment. You should consult your healthcare provider for breastfeeding advice related to your particular situation. The U.S. government does not warrant or assume any liability or responsibility for the accuracy or completeness of the information on this Site.

Further information

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