Epinephrine is the a hormone and neurotransmiter. It is produced by the adrenal gland an is a fight-or-flight catecholamine.. So is norepinephrine. In biochemistry, the prefix nor means that norepinephrine is an analog of epinephrine. They function quite differently in the body. epinephrine is most commonly thought of in terms of t effect on the sympathetic nervous system-increasing heart rate, increasing blood pressure, hyper alertness, etc.
Call a doctor immediately if you suspect you or someone you know has a ruptured eardrum and any of the following occur: 1  An uncontrolled spinning sensation. 2  Difficulty walking. 3  An abrupt change in hearing.  A change in the ability to taste 1  foods. You accidentally put your ear under water.
Ruptured eardrum or a hole in the eardrum and consequent earache can be caused by 1  â. inserting cotton swabs, safety pins, pen, and other objects into the ear. 2  barotrauma. 3  severe head trauma such as skull fracture.  loud sound such as gun 1  fire. otitis media, middle ear infection.