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.
Bleeding in the ear most often indicates a perforated or ruptured eardrum, but can also result from more serious conditions such as head trauma or ear canal cancer, according to Healthgrades. Individuals who fall or strike their heads and experience bloody ear discharge need to seek emergency medical care.