Several treatment options improve symptoms. Which one doesn't?
Eosinophilic esophagitis is diagnosed in a 32-year-old man. He inquires about treatments to help control his dysphagia and reduce his episodes of food impaction. All of the following are treatment options to improve his symptoms, except . . .
a. Mast cell inhibitors
b. Topical corticosteroids
c. Specialized elimination diet
d. Endoscopic dilation