It may cause drowsiness. Avoid driving a motor vehicle or operating machinery.
If the patient has arrhythmia, he/she has to stop the medicine and consult the doctor.
Use with caution in patients with renal impairment.
Fexofenadine used with macrolide antibiotics such as erythromycin or imidazole antifungals such as ketoconazole may increase fexofenadine levels.
Use in Children: Should not be used in children < 6 months of age.