Allergy Shots (Immunotherapy)

Allergy Shots (Immunotherapy): Review

Allergy shots, also known as subcutaneous immunotherapy, is the historical route of administration and consists of injections of allergen extract, which must be performed by a medical professional. Subcutaneous immunotherapy protocols generally involve weekly injections during a build-up phase, followed by monthly maintenance injections for a period of 3–5 years.

How allergy shots for immunotherapy are they taken?

They are given under the skin (often in the upper arm) usually at the doctor's office.

How often do patients take the allergy shots for immunotherapy?

One or more shots each time the patients go to the doctor's office: Once or twice a week for the first few months; Once or twice a month after that.

How long do the patients take the allergy shots for immunotherapy?

3 to 5 years (or sometimes longer).

Are the shots approved by the U.S. Food and Drug Administration (FDA) to treat allergies and asthma caused by allergies?


What are the possible side effects of allergy shots?

Common side effects of allergy shots include:
Itching, swelling, and redness at the place where the shot was given
Mucus dripping down your throat
Although efficacy of subcutaneous immunotherapy has been demonstrated by several studies, it entails the risk of systemic anaphylactic reactions Hence the necessity for it to be performed by clinicians trained in allergy.