New understanding of a receptor key to allergic responses and anaphylaxis in conditions like asthma could offer a new treatment target for sufferers of a variety of conditions.

The US Food and Drug Administration on Tuesday did not approve a needle-free epinephrine for treatment of severe allergic reactions, a move that drugmaker ARS Pharmaceuticals called surprising ...

If a serious allergic reaction does happen, it is important to have an emergency medicine with you at all times. Auvi-Q contains epinephrine, which acts on certain receptors in the body called ...

In case a serious allergic reaction does happen, it is important to always have an emergency medicine with you. Neffy contains epinephrine, which acts on certain receptors in the body called alpha ...

Neurotransmitters initiate their action when they bind to a receptor on their target cell. A receptor is a small protein that can attach to a specific chemical or hormone in the body.