Aluminum Hydroxide / Magnesium Hydroxide / Simethicone Dosage

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

Applies to the following strengths: 200 mg-200 mg-20 mg/5 mL; 400 mg-400 mg-40 mg/5 mL; 225 mg-200 mg-25 mg/5 mL; 500 mg-450 mg-40 mg/5 mL; 200 mg-225 mg-20 mg/5 mL; 200 mg-200 mg-25 mg; 500 mg-450 mg-40 mg; 200 mg-200 mg-20 mg

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.