Hello, There are various causes that produces such symptoms like septicaemia, meningococcal meningitis, Lyme disease, infectious mononucleosis, Rheumatic fever, cat- scratch disease etc. Consult a physician who will rule out the exact cause of such symptoms through physical examination as well as some investigations like Total blood count, Antigen and Antibody detection in blood related to disease suspected, chest x ray pa view and if required MRI can be done. As far as treatment is concerned, it will be decided according to test result obtained. You should avoid taking Sulfamethoxazole- TMP combination as it may cause rash and also undergo through skin test to know sensitivity. You can continue with ciprofloxacin until doctor prescribe another antibiotic. Get well soon.