Aluminum hydroxide, magnesium hydroxide, and simethicon

U.S. BRAND NAMES — Alamag Plus [OTC]; Aldroxicon I [OTC]; Aldroxicon II [OTC]; Almacone Double Strength® [OTC]; Almacone® [OTC]; Gelusil® [OTC]; Maalox® Max [OTC]; Maalox® [OTC]; Mi-Acid Maximum Strength [OTC]; Mi-Acid [OTC]; Mintox Extra Strength [OTC]; Mintox Plus [OTC]; Mylanta® Liquid [OTC]; Mylanta® Maximum Strength Liquid [OTC]

PHARMACOLOGIC CATEGORY
Antacid
Antiflatulent

DOSING: ADULTS — Dyspepsia, abdominal bloating: Oral: 10-20 mL or 2-4 tablets 4-6 times/day between meals and at bedtime; may be used every hour for severe symptoms

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.

Liquid: Aluminum hydroxide 200 mg, magnesium hydroxide 200 mg, and simethicone 20 mg per 5 mL (360 mL); aluminum hydroxide 400 mg, magnesium hydroxide 400 mg, and simethicone 40 mg per 5 mL (360 mL)
Aldroxicon I: Aluminum hydroxide 200 mg, magnesium hydroxide 200 mg, and simethicone 20 mg per 5 mL (30 mL)
Aldroxicon II: Aluminum hydroxide 400 mg, magnesium hydroxide 400 mg, and simethicone 40 mg per 5 mL (30 mL)
Almacone®: Aluminum hydroxide 200 mg, magnesium hydroxide 200 mg, and simethicone 20 mg per 5 mL (360 mL)
Almacone Double Strength®: Aluminum hydroxide 400 mg, magnesium hydroxide 400 mg, and simethicone 40 mg per 5 mL (360 mL)
Maalox®: Aluminum hydroxide 200 mg, magnesium hydroxide 200 mg, and simethicone 20 mg per 5 mL (360 mL, 770 mL) [lemon and mint flavors]
Maalox® Max: Aluminum hydroxide 400 mg, magnesium hydroxide 400 mg, and simethicone 40 mg per 5 mL (360 mL, 770 mL) [cherry, vanilla creme, and wild berry flavors]
Mi-Acid: Aluminum hydroxide 200 mg, magnesium hydroxide 200 mg, and simethicone 20 mg per 5 mL (360 mL)
Mi-Acid Maximum Strength: Aluminum hydroxide 400 mg, magnesium hydroxide 400 mg, and simethicone 40 mg per 5 mL (360 mL)
Mintox Extra Strength: Aluminum hydroxide 500 mg, magnesium hydroxide 450 mg, and simethicone 40 mg per 5 mL (360 mL) [lemon creme flavor]
Mylanta®: Aluminum hydroxide 200 mg, magnesium hydroxide 200 mg, and simethicone 20 mg per 5 mL (180 mL, 360 mL, 720 mL) [original, cherry, and mint flavors]
Mylanta® Maximum Strength: Aluminum hydroxide 400 mg, magnesium hydroxide 400 mg, and simethicone 40 mg per 5 mL (180 mL, 360 mL, 720 mL) [original, cherry, orange creme, and mint flavors]

Suspension (Alamag Plus): Aluminum hydroxide 225 mg, magnesium hydroxide 200 mg, and simethicone 25 mg per 5 mL (360 mL)

Tablet, chewable: Aluminum hydroxide 200 mg, magnesium hydroxide 200 mg, and simethicone 25 mg
Alamag Plus: Aluminum hydroxide 200 mg, magnesium hydroxide 200 mg, and simethicone 25 mg [cherry flavor]
Almacone®: Aluminum hydroxide 200 mg, magnesium hydroxide 200 mg, and simethicone 20 mg [peppermint flavor]
Gelusil®: Aluminum hydroxide 200 mg, magnesium hydroxide 200 mg, and simethicone 25 mg [peppermint flavor]
Mintox Plus: Aluminum hydroxide 200 mg, magnesium hydroxide 200 mg, and simethicone 25 mg

DOSAGE FORMS: CONCISE
Liquid: Aluminum hydroxide 200 mg, magnesium hydroxide 200 mg, and simethicone 20 mg per 5 mL; aluminum hydroxide 400 mg, magnesium hydroxide 400 mg, and simethicone 40 mg per 5 mL
Aldroxicon I [OTC], Almacone® [OTC], Maalox® [OTC], Mi-Acid [OTC], Mylanta® [OTC]: Aluminum hydroxide 200 mg, magnesium hydroxide 200 mg, and simethicone 20 mg per 5 mL
Aldroxicon II [OTC], Almacone Double Strength [OTC], Maalox® Max® [OTC], Mi-Acid Maximum Strength [OTC], Mylanta® Maximum Strength [OTC]: Aluminum hydroxide 400 mg, magnesium hydroxide 400 mg, and simethicone 40 mg per 5 mL
Mintox Extra Strength [OTC]: Aluminum hydroxide 500 mg, magnesium hydroxide 450 mg, and simethicone 40 mg per 5 mL

Suspension:
Alamag Plus [OTC]: Aluminum hydroxide 225 mg, magnesium hydroxide 200 mg, and simethicone 25 mg per 5 mL

Tablet, chewable: Aluminum hydroxide 200 mg, magnesium hydroxide 200 mg, and simethicone 25 mg
Alamag Plus [OTC], Gelusil® [OTC], Mintox Plus [OTC]: Aluminum hydroxide 200 mg, magnesium hydroxide 200 mg, and simethicone 25 mg
Almacone® [OTC]: Aluminum hydroxide 200 mg, magnesium hydroxide 200 mg, and simethicone 20 mg

GENERIC EQUIVALENT AVAILABLE — Yes

ADMINISTRATION — Administer 1-2 hours apart from oral drugs.

USE — Temporary relief of hyperacidity associated with gas; may also be used for indications associated with other antacids

ADVERSE REACTIONS SIGNIFICANT
>10%: Gastrointestinal: Chalky taste, stomach cramps, constipation, bowel motility decreased, fecal impaction, hemorrhoids

1% to 10%: Gastrointestinal: Nausea, vomiting, discoloration of feces (white speckles)

<1% (Limited to important or life-threatening): Dehydration or fluid restriction, hypomagnesemia, hypophosphatemia

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.

PRICING — (data from drugstore.com)
Suspension (Mylanta)
200-200-20 mg/5 mL (355): $7.99
200-200-20 mg/5 mL (355): $7.99
200-200-20 mg/5 mL (710): $8.80

Suspension (Mylanta Double-Strength)
400-400-40 mg/5 mL (355): $7.99
400-400-40 mg/5 mL (710): $9.51

CANADIAN BRAND NAMES — Diovol Plus®; Gelusil®; Mylanta® Double Strength; Mylanta® Extra Strength; Mylanta® Regular Strength

INTERNATIONAL BRAND NAMES — Diovol Plus (CA); Gelusil (CA); Mylanta Double Strength (CA); Mylanta Extra Strength (CA); Mylanta Regular Strength (CA)

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