The time needed off work, will depend on the type of work you are doing. Aspirin
) can cause bleeding, so there are usually avoided around the time of surgery.
There are too many variables in you question to answer specifically. It could be a few days or a few weeks depending on your circumstances. The best way to answer this type of specific question is to see a board certified plastic surgeon who has experience with gynecomastia
(male breast reduction) surgery.
Thanks for the question.