Brand name: EpiPen,EpiPen Jr
Epinephrine is a medicine to treat allergic reactions (severe forms), including tongue/lips/mouth swelling due to bites or stings of insects, foods, or drugs; difficulty breathing, rash, chest tightness, hives. It may also be used by your physician to treat certain other conditions.
It refers to sympathomimetics. It affects body receptors, thus relaxing the smooth lung muscle and improving breathing. It blocks histamine causing rash, swelling and/or hives.