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How often can you take Alka Seltzer tablets?

Medically reviewed by Last updated on Sep 28, 2023.

Official answer


The recommended adult dose of Alka Seltzer Original is 2 tablets every 4 hours as needed, or as directed by a doctor - Do not exceed 8 tablets in 24 hours.

There are various types of Alka Seltzer on the market.

Check the box for full instructions if you are unsure or call your pharmacist.

Drug information

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