Thank you for your inquiry.
Our Ask the Expert website is a repository of knowledge regarding the administration of allergy injections. Answers to the questions you posed have been previously posted, and there are other responses which would be helpful to you as well.
You will be able to access this information quite easily by simply going to our website and entering "allergy injections" in the search box.
Thank you again for your inquiry and we hope this response is helpful to you.
Phil Lieberman, M.D.