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Children's Dextromethorphan/Phenylephrine

Children's Dextromethorphan/Phenylephrine Dosage

Robert Chad Hakim, PharmD, BCCCPKristianne Hannemann, PharmD
Reviewed by Robert Chad Hakim, PharmD, BCCCP, Kristianne Hannemann, PharmD
Last reviewed on October 19, 2022

Typical dosage for Children's Dextromethorphan/Phenylephrine

Each 5 mL contains 5 mg of dextromethorphan and 2.5 mg of phenylephrine.

  • Children ages 6 to under 12 years: The typical dose is 10 mL (2 teaspoonfuls) by mouth every 4 hours.
  • Children ages 4 to under 6 years: The typical dose is 5 mL (1 teaspoonful) by mouth every 4 hours.
  • Children under 4 years old: Ask your child's provider.

Don't give more than 6 doses in a 24-hour period.

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