Bell's Palsy is by definition "ideopathic" facial nerve palsy, meaning the etiology is not known. If it were due to a herpes infection, it is called "Ramsey Hunt Syndrome", a form of herpes zoster. If you think this is herpes, then you should see someone in the near future. If this is simply acne, then this is not an emergency. Herpes would look like clear vesicles, raised and somewhat painful.