Proper Use

Drug information provided by: Merative, Micromedex®

For patients taking pseudoephedrine extended-release capsules:

  • Swallow the capsule whole. However, if the capsule is too large to swallow, you may mix the contents of the capsule with jam or jelly and swallow without chewing.
  • Do not crush or chew before swallowing.

For patients taking pseudoephedrine extended-release tablets:

  • Swallow the tablet whole.
  • Do not break, crush, or chew before swallowing.

To help prevent trouble in sleeping, take the last dose of pseudoephedrine for each day a few hours before bedtime. If you have any questions about this, check with your doctor.

Take this medicine only as directed. Do not take more of it, do not take it more often, and do not take it for a longer period of time than recommended on the label (usually 7 days), unless otherwise directed by your doctor. To do so may increase the chance of side effects.

Dosing

The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

  • For nasal or sinus congestion:
    • For regular (short-acting) oral dosage form (capsules, oral solution, syrup, or tablets):
      • Adults and children 12 years of age and older—60 milligrams (mg) every four to six hours. Do not take more than 240 mg in twenty-four hours.
      • Children 6 to 12 years of age—30 mg every four to six hours. Do not take more than 120 mg in twenty-four hours.
      • Children 4 to 6 years of age—15 mg every four to six hours. Do not take more than 60 mg in twenty-four hours.
      • Children and infants up to 4 years of age—Use is not recommended .
    • For long-acting oral dosage form (extended-release capsules or extended-release tablets):
      • Adults and children 12 years of age and older—120 mg every 12 hours, or 240 mg every 24 hours. Do not take more than 240 mg in 24 hours.
      • Infants and children up to 12 years of age—Use is not recommended .

Missed Dose

If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.

Storage

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.

Keep out of the reach of children.

Do not keep outdated medicine or medicine no longer needed.

From Mayo Clinic to your inbox

Sign up for free and stay up to date on research advancements, health tips, current health topics, and expertise on managing health. Click here for an email preview.

To provide you with the most relevant and helpful information, and understand which information is beneficial, we may combine your email and website usage information with other information we have about you. If you are a Mayo Clinic patient, this could include protected health information. If we combine this information with your protected health information, we will treat all of that information as protected health information and will only use or disclose that information as set forth in our notice of privacy practices. You may opt-out of email communications at any time by clicking on the unsubscribe link in the e-mail.