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Other Information: Each tablet contains: sodium 586 mg. Store at room temperature. Avoid excessive heat. Alka-Seltzer Extra Strength in water contains the antacid sodium citrate as the principal active ingredient.
INACTIVE INGREDIENTS: MAGNESIUM STEARATE, MANNITOL
Directions: Fully dissolve 2 tablets in 4 ounces of water before taking. Place two (2) tablets in 4 oz of water. Dissolve tablets completely. You do not have to drink any of the residue that may be on the bottom of the glass. The medicines of Alka-Seltzer are in the water. Take Alka-Seltzer any time - morning, noon, or night - when you need relief from heartburn, upset stomach, acid indigestion. Adults and Children 12 Years and Over: 2 Tablets every 4 hours as needed, or as directed by a doctor; do not exceed 8 tablets in 24 hours. Adults 60 Years and Over: 2 Tablets every 4 hours as needed, or as directed by a doctor; do not exceed 4 tablets in 24 hours. Children Under 12 Years: Consult a doctor.