http://www.medications.com/effect/view/24415 WOW, OKAY I WAS PUT ON LEVAQUIN FOR A RESP. INFECTION. I HAVE ASTHMA THAT IS SET OFF BY ALLERGYS AND INFECTIONS. I COULD NOT BREATH AND WENT TO THE DR. THEY SAID I HAD AN INFECTION GAVE ME 5 DAYS OF LEVAQUIN.. BY THE SECOND DAY I COULD NOT SLEEP, MY BODY W