Do you reflexively test for tree nut allergies when you diagnose a peanut allergy?  

My decision to test tree nuts when a patient is diagnosed with a peanut allergy depends on multiple factors. In the past, children diagnosed with a peanut allergy were told to avoid all tree nuts due to the risk of co-existent allergy. That practice evolved over time as more research was conducted. ...

Approximately 23-68% of peanut allergic children have co-existent tree nut or seed allergies. At some point, the child may accidentally ingest a tree nut/seed, or the parents may be interested in introducing tree nuts into the diet. Because many tree nut and seed reactions can be as severe or more s...