Pseudoephedrine Dosage

The recommended dosage of pseudoephedrine for children 6 to 11 years old is 30 mg. It is recommended that children four to five years old take 15 mg. For immediate-release tablets, the usual recommended dose for adults and children ages 12 and older is two tablets. For most forms of the drug, doses are typically taken every four to six hours.

Pseudoephedrine Dosage: An Introduction

The recommended dose of pseudoephedrine will vary, depending on a number of factors, including:
 
  • Your age
  • The particular product
  • Other medications you are taking
  • Other medical conditions you may have.
     
As is always the case, do not adjust your dosage unless your healthcare provider specifically instructs you to do so.
 
(It should be noted that many pseudoephedrine products also contain other active ingredients. This article focuses on the recommended dosage of just pseudoephedrine, not such combination products.)
 

Dosing for Young Children

The recommended pseudoephedrine dosage for children 6 to 11 years old is 30 mg every four to six hours, not to exceed four doses in 24 hours. For children four to five years old, the recommended dose is 15 mg every four to six hours, not to exceed four doses in 24 hours. Do not use in children younger than four years old.
 

Dosing for Adults and Older Children

The recommended dosage for immediate-release pseudoephedrine tablets in adults and children ages 12 and older is two tablets (a total of 60 mg) every four to six hours, not to exceed eight tablets in 24 hours.
 
For extended-release pseudoephedrine 12 hour tablets (such as Sudafed 12 Hour), the recommended dosage for adults and children 12 years and older is one tablet (120 mg) every 12 hours. For extended-release pseudoephedrine 24 hour tablets (such as Sudafed 24 Hour), the suggested dosage is one tablet (240 mg) once a day.
 
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