Allergy tests can help identify the source of an allergic reaction. This is especially important if someone experiences severe or repeated allergic reactions. Allergic reactions have a variety of ...

A RAST test or radioallergosorbent test is a way of testing a person’s blood to see if they have any allergies. This test checks their blood for specific lgE antibodies to find out what substances ...

Results from a retrospective cohort study demonstrated the safety of an antimicrobial stewardship intervention that uses guideline-directed beta-lactam antibiotic test-dose procedures in hospitalized ...

An allergy happens when your immune system mistakes a normal, harmless substance for something that can cause illness. Your body then has an allergic reaction to this harmless substance—called an ...