Hi I was wondering if its ok to drink coffee while on antibiotics? Also what types of things would cancel them out?

Coffee is OK. Coffee is fine while taking antibiotics. Depending on what antibiotics you are on, there may be a label stating that you should not take with diary products. Thus, don't use a latte to take your meds. You can still consume dairy. Just wait a bit (1 hour) until after you take your meds.