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Alahist CF

Alahist CF Dosage

Robert Chad Hakim, PharmD, BCCCPKristianne Hannemann, PharmD
Reviewed by Robert Chad Hakim, PharmD, BCCCP, Kristianne Hannemann, PharmD
Last reviewed on April 26, 2024

The average cost for 20 tablets of 2mg/20mg/10mg of Alahist CF is $17.99 with a free GoodRx coupon.

tabletTablet

Dosage

Quantity

Price as low as

Price per unit

2mg/20mg/10mg

20 tablets

$17.99

$0.90

Typical dosage for Alahist CF

Dexbrompheniramine / dextromethorphan / phenylephrine combinations are made by several manufacturers. Be sure to check the medication box for specific instructions for your product.

Some examples include:

Tablets:

Alahist CF: Each tablet contains 2 mg of dexbrompheniramine, 20 mg of dextromethorphan, and 10 mg of phenylephrine.

  • People ages 12 years or older: The typical dose is 1 tablet by mouth every 4 to 6 hours. Don't take more than 6 tablets in a 24-hour period.
  • Children ages 6 years to under 12 years old: The typical dose is one-half tablet by mouth every 4 to 6 hours. Don't take more than 3 tablets in a 24-hour period.
  • Children under 6 years old: Ask your child's pediatrician for an alternative option.

Liquids:

Brantussin DM and generic equivalent: Each 5 mL of solution contains 2 mg of dexbrompheniramine, 15 mg of dextromethorphan, and 7.5 mg of phenylephrine.

  • People ages 12 years or older: The typical dose is 5 mL by mouth every 4 to 6 hours. Don't take more than 30 mL in a 24-hour period.
  • Children ages 6 years to under 12 years old: The typical dose is 2.5 mL by mouth every 4 to 6 hours. Don't take more than 15 mL in a 24-hour period.
  • Children under 6 years old: Ask your child's pediatrician.

Bionatuss DXP: Each 5 mL of solution contains 2 mg of dexbrompheniramine, 20 mg of dextromethorphan, and 10 mg of phenylephrine.

  • People ages 12 years or older: The typical dose is 5 mL by mouth every 4 hours. Don't take more than 30 mL in a 24-hour period.
  • Children ages 6 years to under 12 years old: The typical dose is 2.5 mL by mouth every 4 hours. Don't take more than 15 mL in a 24-hour period.
  • Children under 6 years old: Ask your child's pediatrician.
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