Loratadine and Pseudoephedrine Sulfate Side Effects (Cont.)

Common Loratadine and Pseudoephedrine Sulfate Side Effects

Loratadine and pseudoephedrine sulfate has been studied thoroughly in clinical trials, in which the side effects of a group of people taking the drug are documented and compared to another group not taking the medicine. As a result, it is possible to see what side effects occur, how often they appear, and how they compare to the group not taking the medicine.
 
In these studies, the most common side effects of loratadine and pseudoephedrine sulfate in adults included:
 
  • Insomnia -- in up to 16 percent of people (see Claritin-D and Insomnia)
  • Dry mouth -- up to 14 percent
  • Drowsiness -- up to 7 percent
  • Nervousness -- up to 5 percent
  • Dizziness -- up to 4 percent
  • Fatigue -- up to 4 percent.
     
Other common side effects (occurring in 2 to 3 percent of people) included:
 
  • Indigestion or heartburn
  • Nausea
  • Loss of appetite
  • Thirst
  • Cough
  • Painful menstrual periods.
     

Final Thoughts on Loratadine and Pseudoephedrine Sulfate Side Effects

You may experience some or none of the loratadine and pseudoephedrine sulfate side effects listed in this article. Unfortunately, there is no way for your healthcare provider to know beforehand whether you will have side effects from a medicine that you have never tried. Therefore, make sure to let your healthcare provider know if you develop any side effects while taking the drug or if something "just does not seem right." While it may not be a side effect of loratadine and pseudoephedrine sulfate, your healthcare provider will be able to diagnose and treat the problem.
 

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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;