Why would it be any different? If you have the slightest inkling that you'd want to do that you should--it will strengthen your resume, you'll be less likely to burnout, and it will reaffirm your desire to go into medicine.
Osteopathic schools, in fact, who typically are more receptive toward non-traditional students who have been out of school for several years than allopathic schools, will be particularly supportive of your decision.
The only way a year off could hurt you is if you're a waste of life and don't get a job or do anything interesting.