Allegra-D is one of the most effective Antihistaminic drug formulations which contain Fexofenadine Hydrochloride as its key ingredient. Allegra-D most effectively relieves the itchy tendency, runny nose, sneezing as well as itchy-red-watery eyes accompanied by hay fevers. Allegra-D is also effective for relieving from the itching and wounds of hives and perhaps such anti-histamine that seldom causes drowsiness. Allegra-D is also having the most effective co-ingredient known as Pseudoephedrine which is considered as vital nasal decongestant. 

Amongst the other important ingredients used in preparing Allegra-D is Seldane which is also the anti-histaminic component that has been associated in dangerous interactions with the common antibiotic called Erythromycin, the anti-fungal medication called Ketoconazole or Nizoral besides numerous similar drugs. The amazing drug Allegra-D does not pose any risk factors and is considered safe for people with liver disease.

The recommended dosage of Allegra-D is taking 1 tablet twice per day on empty stomach with a glass of plain water and even with or without foods as preferred on regular basis. However, people having kidney problem are recommended to take only 1 tablet a day. Even if a dose is missed, it hardly matters and you should take the missed dose when remembered but beware two doses should not be mixed. The drug should be stored at the room temperature but away from direct sunlight and moisture.

There are no major side effects noticed, however some of the common side effects may include: colds, flu, coughing, drowsiness, fatigue, fever, headache, indigestion, menstrual related problems, nausea, pain including back or ear pain.