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Simethicone use while Breastfeeding

Drugs containing Simethicone: Maalox, Mylanta, Gas-X, Mylicon, Mintox, Phazyme, Almacone, Mylanta Maximum Strength, Mylanta Gas, Mylanta Gas Maximum Strength, Show all 112 »FIRST Mouthwash BLM, Maalox Advanced Regular Strength, Gelusil, Rulox, Maalox Advanced Maximum Strength, Milantex, Bicarsim, Flanax Antacid Liquid, Maalox Anti-Gas, Tums Chewy Bites with Gas Relief (Lemon & Strawberry), Gas-X with Maalox Extra Strength, Gas Relief Extra Strength, Gas Aide, Ovol, Gas-X Extra Strength, Bicarsim Forte, Mi-Acid, Magaldrate Plus Suspension, Riopan Plus, Di-Gel, Major-Con, Lowsium Plus, Gas-X Ultra Strength, PediaCare Infants' Gas Relief Drops, Anti-Gas Ultra Strength, Baby Gasz, Gas-X Regular Strength, Mylaval, SimePed, Alka-Seltzer Anti-Gas, Majorcon, CVS Gas Relief, Genasyme, Gas-Aid Extra Strength, Gas Free Extra Strength, Mi-Acid Gas Relief, Phazyme Ultra Strength, Gerber Gas Relief, Infantaire Gas Relief, Phazyme Ultra, Phazyme Maximum Strength, Phazyme-95, Flatulex Drops, Phazyme-125, Maalox Anti-Gas Extra Strength, Equalize Gas Relief Drops, Little Tummys, Mytab Gas, Losospan Plus, Micon-80, Colicon, Colic Drops, Maximum Strength Phazyme 125 Softgels, Ron-Acid Plus, Maalox Max Quick Dissolve, Riopan Plus Double Strength, Mylagen, Aldroxicon I, Maldroxal Plus, Urban DS, Urban, Uni-Lan II, Uni-Lan, Rulox Plus, Magaant, Mylagen-II, Mintox Plus, Tempo, Almacone-2, Mi-Acid II, Alamag Plus, Masanti, Masanti DS, Mylanta DS Fast Acting, Mylanta Fast Acting, Milantex Maximum Strength, Mag-al Plus, Aldroxicon II, Mintox Extra Strength, Riopan Plus 2, Rolaids Extra Strength Plus Gas Relief Softchews, Imodium Multi-Symptom Relief, Anti-Diarrheal + Anti-Gas, E-Z-Gas II, Flatulex, Gas-X with Maalox, Titralac Plus Liquid, Alka-Seltzer Heartburn + Gas ReliefChews, Maalox Junior Relief Chewable, Maalox Advanced Maximum Strength Chewable, Alka-Seltzer Heartburn + Gas, Mintox Maximum Strength, Tums Plus, Titralac Plus, Di-Gel Lemon, Di-Gel Mint, Advanced Formula Di-Gel, Rolaids Advanced, Mylanta Tonight, Rolaids Multi-Symptom, Mylanta Maximum Strength Cherry, Mylanta Gas Minis

Medically reviewed by Last updated on Feb 5, 2019.

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

Breast Feeding


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.