Depends on the diagnosis, might I suggest a diagnostic test, say, endoscopy, before embarking on a course of rx? Might I? Please? Occasionally AIDS patients are treated with empiric fluconazole and then endoscoped if symptoms persist.
Patients with Candida esophagitis do not necessarily have Candida in the mouth.
ICD9 Codes (Soon to be supplanted by ICD10)
Esophagitis 530.10; acute 530.12; candidal 112.84; reflux 530.11; specified NEC 530.19; ulcerative 530.19.