Recurrent or chronic fever is seen in tuberculosis, SLE, rheumatoid arthritis
, Polyarteritis nodosa (PAN) and
other auto immune disorders, UTI, drug fever, sinusitis, gland
ular fever, otitis media, IBS, HIV, STDs, endocarditis, para
sitic infestations, fungal infections, lymphomas and
other cancers etc.
In women, even polycystic ovary, menopause, PID (pelvic inflammatory disease) should be investigated for. Dehydra
tion is a frequent cause of low gra
de fever with malaise.