Fexofenadine is used as an active ingredient in most of the tablets which are formulated for the treatment of allergies of various kinds and nature. The cure however is to make sure that the right kind of allergy is identified at the right time to treat it unconditionally. The more time is elapsed the more chances are there for getting it severe and go beyond control. The treatment of allergies can be easily done with the help of medicinal products like Fexofenadine provided the advice from the doctor is taken for the appropriate usage and dosage of the same. Vomiting, diarrhea, dizziness, headache, muscular pain, cough and itching are some of the common side effects of taking tablets which are rich in the content of Fexofenadine. However, once the appropriate dosage and use of this medicine is advised by the doctor, these side effects are less likely to occur.