I had an allergic reaction to being in contact with poison sumac from carrying firewood in the house over a month ago. The emergency room at urgent care gave me an epi pen injection - epinephrine which caused me a seizure. Today, my dentist will be giving a shot to me for a tooth decay in the side back of my mouth. Not sure what shot it will be.. but little nervous it may have same ingredients or similar to the epinephrine injection.
Anaphylactic / Allergic shock is caused whenever the heart is unable to pump enough blood throughout the body due to an allergic reaction, weakening of the heart muscle, or shrinking of the veins (vasodilation).  Injection of epinephrine into the blood stream will cause an increase of blood flow throughout the body.  While epinephrine/ a Chat Doctor.  Its one of the reason many video games and action movies have seizure warning because when we are excited a