Answer by
Kadie (63)
Allegra is an anti-histamine that affects the body's ability to produce histamine in reaction to perceived threats. Lexapro is an SSRI that reduces depression by preventing the removal of serotonin from the nervous system once it has been released. One works with the immune system, the other with the sympathetic nervous system. Unless advised against it, you should be fine.
Wrong! They most certainly are not the same chemical Allegra is Fexofenadine and Lexapro is Escitalopram Oxalate. add a comment
No, Lexapro is not Fexofenadine, it's Escitalopram. Lexapro is an SSRI and Allegra is an antihistamine. You definitely cannot overdose from taking both, but it is still possible for them to negatively interact with each other. add a comment