10 Side Effects of Antihistamines
Reviewed: Dr. Mera
Side Effect #6: Hyperactivity and restlessness
Even though, antihistamines usually produce drowsiness, some of them may actually cause hyperactivity. Patients may feel nervous and restless and euphoria may appear.
This is not a very common side effect and it is not seen with all antihistamines, so if you are having symptoms like the ones described above, you should check with your doctor to make sure everything is fine.
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