why is allegra used for chem
If youâve to be somewhere then eating such antihistamines is definitely not a good choice. Allegra, on the other hand, has got an upper hand as its effects are only limited to the peripheral parts of the body and it induces minimum effects on the brain. Thatâs why you donât feel drowsy after eating this medicine. The chemical composition of Allegra can be determined by IUPAC given systematic name to its clinical preparation Fexofenadine. The IUPAC given name is (Â±)-4- [1 Hydroxy- 4- [4 â (hydroxydiphenylmethyl)- 1- piperidinyl]- butyl]- Î±, Î±- dimethyl benzeneacetic acid. Medical applications