Claritin-D Dosing

For most adults and children age 12 and older, the recommended dosage of Claritin-D is one 12-hour tablet twice daily or one 24-hour tablet once daily. If your symptoms cannot be controlled with the 24-hour form of the drug, dosing can be switched to the twice-daily product. If you experience insomnia while taking Claritin 24 hour tablets, try switching to the once-daily product.

Dosage for Claritin-D: An Introduction

There is only one recommended dose of Claritin-D® (loratadine and pseudoephedrine sulfate), although it may be taken once or twice a day, depending on the particular product. As is always the case, do not adjust your dose unless your healthcare provider specifically instructs you to do so.

Claritin-D Dosages for Adults and Older Children

The recommended Claritin-D dose for most adults and children age 12 and over is one Claritin-D 12 Hour tablet twice daily or one Claritin-D 24 Hour tablet once daily. People whose symptoms are not adequately controlled by one Claritin-D 24 Hour tablet daily may benefit from switching to the twice-daily product. People who experience insomnia while taking Claritin-D 12 Hour tablets may benefit from switching to the once-daily product (which seems less likely to cause insomnia).

General Information on Dosing With Claritin-D

Considerations for people taking Claritin-D include the following:
  • The medication comes in tablet form. Depending on the particular product, it is taken either once a day or twice a day.
  • You can take Claritin-D with or without food. If the drug bothers your stomach, try taking it with food.
  • Be sure to swallow the tablets whole. They are extended-release tablets and will release the medication too rapidly if they are broken, chewed, or crushed.
  • Try to take Claritin-D at the same time(s) each day to keep an even level of the medication in your blood.
  • Some people need to take Claritin-D all year long, while others take it only during allergy season.
  • For the medication to work properly, it must be taken as directed by the package labeling. Please read the label closely.
  • If you are unsure about anything related to Claritin-D dosing, talk with your doctor, nurse, or pharmacist.
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