occupational hazard

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A substantial risk to a worker's physical or mental well-being which is present in a certain task, job, or profession.
• noun figuratively, by extension An unpleasant, inconvenient, or unusual circumstance which occurs or is likely to occur during the course of one's employment.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun any condition of a job that can result in illness or injury