Magnesium hydroxide

Adult: For the relief of heartburn, indigestion or upset stomach: As 400 mg/5 mL suspension: 5-15 mL up to 4 times daily, or as directed. As 2,400 mg/10 mL suspension: 5 mL. Max: 20 mL in 24 hours. Doses may be taken with water. As 1,325 mg/5 mL paste concentrated suspension: 5-10 mL diluted in small amount of water, as necessary. Dosage recommendations may vary among countries and individual products (refer to specific product guideline).
Child: ≥12 years Same as adult dose.

Adult: For relief of occasional cases: As 400 mg/5 mL or 1,200 mg/15 mL suspension: 30-60 mL. As 2,400 mg/10 mL: 15-30 mL. All doses may be taken once daily (preferably at bedtime) or in divided doses, or as directed. As 800 mg/5 mL suspension: 10-20 mL once daily (preferably at bedtime). Drink a full glass of water with each dose. As 1,325 mg/5 mL paste concentrated suspension: 25-50 mL diluted in a glass of water to be taken at bedtime. Dosage recommendations may vary among countries and individual products (refer to specific product guideline).
Child: For relief of occasional cases: 2-<6 years As 400 mg/5 mL or 1,200 mg/15 mL suspension; 400 mg chewable tablet: 400-1,200 mg daily as single or in divided doses (Max: 1,200 mg/day). As 800 mg/5 mL suspension: 800 mg once daily (preferably at bedtime) or as directed. 6-<12 years As 400 mg/5 mL or 1,200 mg/15 mL suspension; 400 mg chewable tablet: 1,200-2,400 mg daily as single or in divided doses (Max: 2,400 mg/day). As 800 mg/5 mL suspension: 800-1,600 mg once daily (preferably at bedtime). Drink a full glass of water with each dose. ≥12 years Same as adult dose. Dosage recommendations may vary among countries and individual products (refer to specific product guideline).