IF YOU ARE CHOKING THAT MEANS YOU GOOD HAVE GOT THE OIL INTO YOUR BLOODSTREAM IF THIS IS HAPPENING WITH SHOTS IN YOUR ASS THAT MIGHT NOT BE IT . BUT IF YOU ARE DOING CALVES,DELTS,TRICEPS,OR BICEP SHOTS YOU MUST ASPIRATE FIRST (PULL NEEDLE BACK) TO MAKE SURE THERE IS NO BLOOD IF THERE IS THEN YOU NEED TO CHANGE SPOTS .IF THE OILS OR WATERBASE HIT YOUR BLOODSTREAM YOU MIGHT START TO TASTE IT AND COUGH OR CHOKE . YOU DONT WANT THIS TO HAPPEN THAT OFTEN AT ALL. IT IS MOSTLY ALL TRIAL AND ERROR WHEN DOING THESE SHOTS.