Brucellosis, one of the common zoonotic diseases all over the world, is still underdiagnosed. Under diagnosis is mostly due to certain concepts that should be revised especially in endemic areas. First of all, in endemic areas especially raw milk consuming communities, it is not logic to consider brucellosis only in certain occupations, while the whole community is exposed through utilization of non-pasteurized dairy products. Unawareness about the protean manifestations of brucellosis and its ability to affect almost every system in the body from heal to crown is another problem that needs orientation. Brucellosis now is one of the great imitators like SLE and TB. Chronic brucellosis can present by different manifestations even in the absence of fever and with low serum antibody titers. So, physicians in endemic areas should be aware by the usual and unusual presentations of brucellosis and should consider brucellosis in the differential diagnosis of almost every unexplained medical problem until proved otherwise.