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Ways to shape the practice

• Food allergy and oral immunotherapy

  Feeding tiny, growing doses of peanut or milk to build tolerance. Slow, careful, and in high demand from parents.

• Immune deficiency

  Rare patients whose immune systems do not work. Hospital-based, often with infusion treatments.

• Drug allergy testing

  Working out whether a penicillin label from childhood is real. Most are not.

• Research and clinical trials

  New biologic drugs for asthma and eczema keep arriving. Academic allergists run the trials.