21 Dec 2010
As there are many formulations of Alka-Seltzer ... I'm just clarify that you are inquiring about the one that contains dextromethorphan hydrobromide 10mg (cough suppressant) and guaifenesin 200mg (Expectorant).
This is the recommended dosage details.
Adults and children 12 years and over
* take 2 capsules every 4 hours
* do not exceed 12 capsules in 24 hours
Children under 12 years
* do not use
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