Other Causes of fever:
o AIDS and HIV infection
o Leukemia
o Neuroblastoma
o Hodgkin's disease
o Non-Hodgkin's lymphoma
o Viral Hepatitis
o Whooping Cough (Pertussis)
o Connective Tissue Disease:
Any of various diseases or disorders (as rheumatoid arthritis, systemic lupus erythematosus, polyarteritis nodosa, rheumatic fever, and dermatomyositis) marked by inflammatory or degenerative changes in connective tissue;called also collagen disease, collagenolysis, collagen vascular disease.
o Dengue Fever:
Viral infection, Flavivirus, transmitted by mosquitoes of the genus Aedes that is characterized by headache, severe joint pain, and a rash.
o Encephalitis and Meningitis
o Endocarditis:
Inflammation of the lining of the heart and its valves.
o Kawasaki Disease:
An acute febrile disease of unknown cause affecting especially infants and children.
o Lyme Disease:
An infectious disease that is usually starts by the skin lesion erythema migrans and fatigue, fever, and chills and if left untreated may later present itself in cardiac and neurological disorders, joint pain, and arthritis.The causative agent is a spirochete of the genus Borrelia (B. burgdorferi) transmitted by the bite of a tick especially of the genus Ixodes; called also Lyme, Lyme borreliosis.
o Melioidosis:
A highly fatal bacterial infection caused by Pseudomonas pseudomallei, and transmitted by the rat flea.
o Sarcoidosis:
A chronic disease of unknown cause that is characterized by the formation of nodules resembling true tubercles especially in the lymph nodes, lungs, bones, and skin.
o Toxoplasmosis:
Infectious disease caused by a sporozoan of the genus Toxoplasma (T. gondii) invading the tissues and may seriously damage the central nervous system especially of infants.
o West Nile Virus:
A virus that can cause fever, headache, muscle ache, skin rash, and sometimes encephalitis or meningitis.
o Typhoid Fever:
An infectious disease caused by Salmonella typhi and marked by fever, diarrhea, prostration, headache, splenomegaly, eruption of rose-colored spots, leukopenia, and intestinal inflammation.
o Medications (such as antibiotics, antihistamines, barbiturates, and drugs for high blood pressure)