Pseudoephedrine Side Effects
Bothersome Side Effects
Pseudoephedrine is a non-prescription medication, and detailed information about possible side effects is not provided in the labeling for non-prescription medications. Therefore, no exact percentages for the individual side effects are available.
Based on this limited information, some of the possible bothersome (but usually not dangerous) side effects of pseudoephedrine include:
- Mild dizziness
- Insomnia or drowsiness
- Excitability, nervousness, or restlessness
- A spinning sensation (vertigo)
- Loss of appetite or nausea
- Constipation or diarrhea
- Dry mouth, throat, or nose
- Ringing in the ears (tinnitus)
- Mild shakiness
- Difficulty passing urine
- Sensitivity to the sun
You may experience some or none of the pseudoephedrine side effects listed in this article. Unfortunately, there is no way for your healthcare provider to know beforehand if 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, your healthcare provider will be able to diagnose and treat the problem.