When can I ride a bike, lift weights and run after Mohs Surgery with a skin graft on nose?

I would not use efudex to treat a squamous cell ca but if someone has had many cancers and lots of precancers I always recommend a field therapy to clean up the background.  I call it seek and destroy.. 5fu or aldara will "light up" lesions that are not yet apparent and get rid of them....

For deformity and dysfunction caused by Moh's surgery most insurances will cover for revision of the area.

It is unlikely that the headaches are related to your Basal Cell or Mohs reconstruction. If you had a squamous cell carcinoma there might be cause for concern because squamous cell carcinoma  can travel along nerves, but not with a basal cell. I would start with your family doctor and let th...