I am a 64 yr female. I have Parkinsons, rheumatoid art, fibromyalgia , hemochromatosis, and was bit by a tick and had RMSF. This was in August. Took 14 day doxycycline, now rash has come back on lower legs and they/feet swollen. Taking 21 day doxycycline have took about half of meds. Went to ER Fri night. They said to just continue Med. My face arms and body feels like I ve had a sunburn. Stayed 3 days in hospital last week. Sent home to continue Med. What should I do? Found the tick on August 8,17.