Alka-Seltzer Anti-Gas

Name: Alka-Seltzer Anti-Gas

Usual Pediatric Dose for Flatulence

0 to <2 years: 20 mg orally 4 times a day.

2 to 12 years: 40 mg orally 4 times a day. For the 40 mg strips, allow 1 strip to dissolve on the tongue as needed after meals and at bedtime. Do not exceed 6 strips in 24 hours except under the advice and supervision of a physician.


12 to 18 years: 40 to 125 mg orally after meals and at bedtime as needed, not to exceed 500 mg/24 hours.

Usual Pediatric Dose for Endoscopy or Radiology Premedication

Child >12 years: 67 mg as an oral suspension in 2.5 mL of water given shortly before the procedure.

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