Expertise and rankings

  • Experience. Each year, doctors at Mayo Clinic treat more than 900 people with eosinophilia, including HES.
  • Teamwork. HES is a diverse syndrome that can affect many parts of your body. Mayo Clinic specialists work together to diagnose and treat people with HES, to prevent damage to your skin, lungs, digestive system, heart, blood and nervous system.
  • Expertise. The Allergic Diseases Research Laboratory has been actively studying eosinophil biology for almost 50 years, aiming to understand the role of eosinophils in diseases such as HES. The laboratory has had a National Institutes of Health grant in allergic diseases since the 1980s. You have access to Mayo Clinic's clinician-researchers.