Data Source: Information sourced from the FDA OpenFDA database. Database last updated: March 2026. Learn more about our data sources →
Drug Pricing
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Uses & Indications
Uses relieves heartburn sour stomach acid indigestion the symptoms referred to as gas
Dosage & Administration
Directions shake well before use adults and children 12 years of age and older: take 2 to 4 teaspoonfuls between meals, at bedtime, or as directed by a doctor do not take more than 16 teaspoonfuls in any 24 hour period or use the maximum dosage for more than 2 weeks children under 12 years: ask a doctor
Side Effects
No adverse reactions listed in FDA label.
Warnings & Precautions
Warnings Ask a doctor before use if you have kidney disease a magnesium-restricted diet Ask a doctor or pharmacist before use if you are presently taking a prescription drug. Antacids may interact with certain prescription drugs. Stop use and ask a doctor if symptoms last more than 2 weeks If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children.
Drug Interactions
No interactions listed. Consult your pharmacist.
Contraindications
See prescribing information.
Storage & Handling
Other information each 5 mL teaspoonful contains: magnesium 85 mg, sodium 3 mg store at room temperature protect from freezing keep tightly closed