How soon after taking antibiotics for pinkeye can I wear contacts again?

When. Your eye looks and feels normal again. Btw, throw away your contacts, case and solution, and start with new everything after your infection is better.
Pinkeye treatment. Antibiotics are used to combat the infection. They should be taken for the length of time prescribed. They generally can be stopped when the redness of the eye diminishes even if not absolutely gone as diminishing redness indicates successful overcoming of the infectious agent.