[Study on the preventive effect of the gelomyrtol forte from secretory otitis media in patients with nasopharyngeal carcinoma after radiotherapy].

Objective: To observed the prevention efficacy of secretory otitis media after radiation therapy by the Myrtol Standardized Enteric Coated Soft Capsules.

Method: Sixty patients with nasopharyngeal carcinoma who Diagnosis without secretory otitis media before radiation therapy were divided into experimental group and control group, 30 cases in each group. After the start of radiation therapy ,the experimental group patients oral the Myrtol Standardized Enteric Coated Soft Capsules, each 0.