Long term, it increases the risk of developing a long list of health conditions including breast cancer, oral cancers, heart disease, strokes and cirrhosis of the liver. Research shows that a high alcohol intake can also damage our mental health, impair memory skills and reduce fertility.
Allegra D (Pseudoephedrine / Fexofenadine) is a combination medicine that relieves allergy symptoms. Fexofenadine (an antihistamine) prevents allergy symptoms like runny nose, sneezing, and itching. Pseudoephedrine (a decongestant) clears your sinuses. Drug class.
http://www.ncbi.nlm.nih.gov/pubmed/15055564. Fexofenadine (Allegra) is drastically more effective at suppressing histamine flares than loratadine (Claritin). Speaking from personal experience, Allegra works much better than Claritin. However, if you have the option, cetirizine (Zyrtec) is more effective than both.