shooting about 375 of test prop every three days. started last month where I would shoot then automatlicly start coughing. today i shot and started coughing, lightheaded, heart racing, and passed out. been doing this shit for about eight years and have never experienced what I did today. thought i was actually going to die right there on the bathroom floor. I have no clue what this might be but it makes me very apprehensive to shoot on wed. any ideas?