Aluminum hydroxide and magnesium trisilicate

U.S. BRAND NAMES — Alenic Alka Tablet [OTC]; Gaviscon® Tablet [OTC]; Genaton Tablet [OTC]

PHARMACOLOGIC CATEGORY
Antacid

DOSING: ADULTS — Dyspepsia, gastric acidity: Oral: Chew 2-4 tablets 4 times/day or as directed by healthcare provider

DOSING: ELDERLY — Refer to adult dosing.

DOSING: RENAL IMPAIRMENT — Aluminum and/or magnesium may accumulate in renal impairment.

DOSAGE FORMS — Excipient information presented when available (limited, particularly for generics); consult specific product labeling.

Tablet, chewable: Aluminum hydroxide 80 mg and magnesium trisilicate 20 mg
Alenic Alka: Aluminum hydroxide 80 mg and magnesium trisilicate 20 mg [butterscotch flavor]
Gaviscon®: Aluminum hydroxide 80 mg and magnesium trisilicate 20 mg [contains sodium 0.8 mEq/tablet; butterscotch flavor]
Genaton: Aluminum hydroxide 80 mg and magnesium trisilicate 20 mg

DOSAGE FORMS: CONCISE
Tablet, chewable: Aluminum hydroxide 80 mg and magnesium trisilicate 20 mg
Alenic Alka [OTC], Gaviscon® [OTC], Genaton [OTC]: Aluminum hydroxide 80 mg and magnesium trisilicate 20 mg

GENERIC EQUIVALENT AVAILABLE — Yes

ADMINISTRATION — Tablets should be chewed and not swallowed whole.

USE — Temporary relief of hyperacidity

DRUG INTERACTIONS — Decreased effect: Tetracyclines, digoxin, indomethacin, iron salts, isoniazid, allopurinol, benzodiazepines, corticosteroids, penicillamine, phenothiazines, ranitidine, ketoconazole, itraconazole

PREGNANCY RISK FACTOR — C (show table)

DIETARY CONSIDERATIONS — Should be taken 1-3 hours after meals with water, milk, or juice. Gaviscon® chewable tablet contains sodium 0.8 mEq/tablet.