I have the same feeling when i use a 200mg/cc tren consist of A, E and Hex mix. like out of breath for about 20 sec and the heart is being squeeze. throat is very itchy and have some bitter taste on it, after my injection. But when I using pure A, E or Hext. nothing happens. But that shit make me almost die. 2cc/week and 6 weeks later i end up in hospital for kidney slight damages. blood in my urine.