HELLO IM A 24 EAR OLD FEMALE , STARTING LAST YEAR (DECEMBER) I STARTED GETTING REAL SICK . ALL THE DOCTORS I HAVE VISIT TOLD ME THAT I HAVE ANXIETY ATTACKS , OR HEART BURN... WHICH I BELIEVE ITS A LITTLE MORE SERIOUS THEN THAT . MY SYMPTOMS THEN WHAT AN AREA IN MY RIGHT CHEST AREA , RACING HEART ,HEADACHES ,, HANDS SHAKING AND BAD CASE OF ACID IN MY THROAT ... THEY HAVE ME ON LEXAPRO AND IT STARTED TO WORK .. TIL NOW MY WRIST,KNEES,BACKOF MY LEGS ( FEELS LIKE A MUSCLE IS TIGHT ),& FINGERS JOINTS HURT , MY RIGHT LEG SOMETIMES GETS NUMB OR IT FEELS HEAVY . IT HAPPENES EVERYDAY ... MY DOCTORS HAVENT RULE OUT ANY SERIOUS PROBLEMS SINCE I HAD CHEST X-RAYS AND A BONE SCAN DONE . COULD I MABE HAVE LUPUS OR MUTIPLE SCERLOSIS