Best to contact your treating doctor but taking antibiotics after laser resurfacing is routine. Taking antibiotics wont necessarily stop white heads which are stimulated by the laser and after the occlusive ointments.
As long as you don't get your face soaking wet you can take a shower or wash your hair (better to do it over a sink with help) the next day. Ideally you don't want to wet your face until your skin has fully scabbed and not oozing anymore which could be anywhere form 1-3 days depending on how...
For unique cases where a variety of modalities could be used to treat the condition, I would suggest an in-person or virtual consultation to develop a custom and effective treatment plan. It is difficult to precisely define the best option without collecting the same information. I suggest...