In House M.D., what specialty does Allison Cameron practice?

Allison Cameron practices immunology in House M.D. She is one of the original members of House’s diagnostic team and is played by Jennifer Morrison.

Cameron’s specialty is especially relevant to the show’s case structure because immune-system disorders can produce symptoms across many organs and can resemble infections, cancers, or other diseases. Her medical knowledge therefore contributes to cases that require distinguishing autoimmune illness from more familiar diagnoses.

Cameron is characterized as compassionate and ethically sensitive, often challenging House’s willingness to take risks or deceive patients. Her personal history includes the death of her husband, which occurred before the series begins and influences her emotional life. She eventually leaves House’s team, later returns to Princeton-Plainsboro, and becomes involved in hospital administration and emergency medicine storylines.