Aluminum Hydroxide / Magnesium Hydroxide / Simethicone Dosage

Medically reviewed by Drugs.com. Last updated on Aug 3, 2023.

Usual Adult Dose for Dyspepsia

Oral suspensions:
Aluminum hydroxide 400 mg-magnesium hydroxide 400 mg-simethicone 40 mg/10 mL: 10 to 20 mL orally 4 times a day or as directed

• Maximum dose: 80 mL/day

Aluminum hydroxide 800 mg-magnesium hydroxide 800 mg-simethicone 80 mg/10 mL: 10 to 20 mL orally between meals, at bedtime, or as directed

• Maximum dose: 60 mL/day

Tablets:
Aluminum hydroxide 200 mg-magnesium hydroxide 200 mg-simethicone 25 mg: 2 to 4 tablets orally up to every hour as needed for symptoms, or as directed

• Maximum dose: 12 tablets/day

Duration of therapy: 2 weeks

Comments:

• Tablets should be chewed prior to swallowing.
• Doses should be measured with the included measuring cup.

Uses:

• Relief of acid indigestion
• Relief of bloating, discomfort, and pressure associated with gas
• Relief of heartburn
• Relief of sour stomach
• Relief of upset stomach due to acid indigestion, heartburn, and/or sour stomach

Usual Adult Dose for Flatulence

Oral suspensions:
Aluminum hydroxide 400 mg-magnesium hydroxide 400 mg-simethicone 40 mg/10 mL: 10 to 20 mL orally 4 times a day or as directed

• Maximum dose: 80 mL/day

Aluminum hydroxide 800 mg-magnesium hydroxide 800 mg-simethicone 80 mg/10 mL: 10 to 20 mL orally between meals, at bedtime, or as directed

• Maximum dose: 60 mL/day

Tablets:
Aluminum hydroxide 200 mg-magnesium hydroxide 200 mg-simethicone 25 mg: 2 to 4 tablets orally up to every hour as needed for symptoms, or as directed

• Maximum dose: 12 tablets/day

Duration of therapy: 2 weeks

Comments:

• Tablets should be chewed prior to swallowing.
• Doses should be measured with the included measuring cup.

Uses:

• Relief of acid indigestion
• Relief of bloating, discomfort, and pressure associated with gas
• Relief of heartburn
• Relief of sour stomach
• Relief of upset stomach due to acid indigestion, heartburn, and/or sour stomach

Usual Pediatric Dose for Dyspepsia

12 years and over:
Oral suspensions:
Aluminum hydroxide 400 mg-magnesium hydroxide 400 mg-simethicone 40 mg/10 mL: 10 to 20 mL orally 4 times a day or as directed

• Maximum dose: 80 mL/day

Aluminum hydroxide 800 mg-magnesium hydroxide 800 mg-simethicone 80 mg/10 mL: 10 to 20 mL orally between meals, at bedtime, or as directed

• Maximum dose: 60 mL/day

Tablets:
Aluminum hydroxide 200 mg-magnesium hydroxide 200 mg-simethicone 25 mg: 2 to 4 tablets orally up to every hour as needed for symptoms, or as directed

• Maximum dose: 12 tablets/day

Duration of therapy: 2 weeks

Comments:

• Tablets should be chewed prior to swallowing.
• Doses should be measured with the included measuring cup.

Uses:

• Relief of acid indigestion
• Relief of bloating, discomfort, and pressure associated with gas
• Relief of heartburn
• Relief of sour stomach
• Relief of upset stomach due to acid indigestion, heartburn, and/or sour stomach

Usual Pediatric Dose for Flatulence

12 years and over:
Oral suspensions:
Aluminum hydroxide 400 mg-magnesium hydroxide 400 mg-simethicone 40 mg/10 mL: 10 to 20 mL orally 4 times a day or as directed

• Maximum dose: 80 mL/day

Aluminum hydroxide 800 mg-magnesium hydroxide 800 mg-simethicone 80 mg/10 mL: 10 to 20 mL orally between meals, at bedtime, or as directed

• Maximum dose: 60 mL/day

Tablets:
Aluminum hydroxide 200 mg-magnesium hydroxide 200 mg-simethicone 25 mg: 2 to 4 tablets orally up to every hour as needed for symptoms, or as directed

• Maximum dose: 12 tablets/day

Duration of therapy: 2 weeks

Comments:

• Tablets should be chewed prior to swallowing.
• Doses should be measured with the included measuring cup.

Uses:

• Relief of acid indigestion
• Relief of bloating, discomfort, and pressure associated with gas
• Relief of heartburn
• Relief of sour stomach
• Relief of upset stomach due to acid indigestion, heartburn, and/or sour stomach

Renal Dose Adjustments

Use with caution.

Liver Dose Adjustments

Data not available

Precautions

CONTRAINDICATIONS: None.

Safety and efficacy have not been established in patients younger than 12 years.

Consult WARNINGS section for additional precautions.

Dialysis

Data not available

Other Comments

Administration advice:

• Oral liquid: Shake well prior to use.

Storage requirements:

• Oral suspension: Do not freeze

General:

• Some oral suspensions do not meet United States Pharmacopeia (USP) requirements for preservative effectiveness.

Patient advice:

• Advise patients to speak to their healthcare provider if they become pregnant, intend to become pregnant, or are breastfeeding.
• Patients should be instructed to avoid using products if the tamper evident feature(s) are torn, broken, and/or missing.

See also:

Further information

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

Medical Disclaimer