You have given an excellent description of your son's symptoms. His symptoms and high fever cannot in any way be regarded as being normal and it is essential to make a diagnosis of the cause of your son's illness.There is a condition called 'periodic fever' that is an inherited condition found in children of Mediterranean origin which needs to be considered as well as rather rare infectious conditions such as brucellosis [malta fever] among several possible causes. His immune system as well as his urinary system should also be very carefully examined and investigated.Ideally your son should be seen and investigated by a paediatrician with experience in infectious diseases and immunology.I note that you are not in South Africa otherwise I could advise you where to take your son.
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