Scratch tests have a fairly substantial miss rate. If you have actual suspicions about something specific you might be allergic to, it’s better to have a blood test. They probably won’t offer an across-the-board blood test, though.
Scratch tests have a fairly substantial miss rate. If you have actual suspicions about something specific you might be allergic to, it’s better to have a blood test. They probably won’t offer an across-the-board blood test, though.