IT WAS THE LAST OF MY BOTTLE TEST, ONLY ABOUT 1 1/2 CC LEFT BEFORE I NEED TO OPEN A NEW BOTTLE. I PULL OUT 1CC OF TEST AND 1CC OF EQUP. AND PLUG AWAY(RIGHT SIDE). THEN I REPEAT THE PROCESS AND HIT MY OTHER CHECK, SHOULDER OR WHATEVER. THE SECOND SHOT I USED ONLY 1/2CC OF THE OLD BOTTLE (NOT THAT OLD) AND HALF FROM THE NEW FRESH TEST BOTTLE. WELL TO SUM IT UP THE NEXT DAY MY RIGHT SIDE WAS SORE AND I WAS FEELIN SICK AND HAD TO LEAVE WORK EARLY..WHAT WENT WRONG....CAN TEST SPOIL IN ONLY A FEW WEEK?