MY HUSBAND HAD A HORRIBLE REACTION TO AVELOX AFTER TAKING 4 DAYS OUT OF TEN, HE CALLED THE DR. COMPLAINING OF MUSCLE/TENDON STIFFNESS AND PAIN. THE DR. DIDN'T SEEM TO CONCERNED SO HE TOOK IT FOR 3 MORE DAYS AND STOPPED AFTER DOING SOME RESEACH ON-LINE. (THANK YOU MEDICATIONS.COM OR HE MY HAVE TAKING THE FULL TEN DAYS.) NOT ONLY DID HE HAVE THE MUSCLE PAIN, HE ALSO SUFFERED FROM, HALLUCINATIONS, EXTREME MOOD SWINGS, WEAKNESS, TEMPORARY HEARING LOSS, LOSS OF APPETITE,(LOST OVER 20 LBS.), CONFUSION, PARANIOA, EYES WERE DISTANT(ZOMBIE LIKE). I THOUGHT HE WAS GOING TO DIE! I DON'T EVEN KNOW WHY HE WAS PRESCRIBED AVELOX, HE HADN'T EVEN BEEN ON AN ANTIBIOTIC IN OVER 15 YEARS. HE DIDN'T NEED ANYTHING THAT STRONG, AS HE 'S BEEN A HEALTHY 58 YEAR OLD MAN. I TRULY HOPE IT HASN'T CAUSED ANY LONG TERM EFFECTS SUCH AS LIVER DAMAGE. IT'S ONLY BEEN A MONTH AND A HALF SO TIME WILL TELL. BOTTOM LINE NEVER TAKE AVELOX. 08/16/2008