Tag Archives: heaves

Heaves in Horses

Recurrent airway obstruction (RAO), aka heaves, is an allergic and inflammatory lung disease in horses.  It’s similar to human asthma. Many people may not think of heaves as being all that dangerous, but my first barrel racing horse, Dee, died due to complications from heaves.  It was an awful experience I’ll never forget.  I now know that heaves […]