I am 32 yrs old. I have been having a serious old problem for the last ten years.have been having acid problem and have gone for endoscopy and nothing serious detected,have had non ending bone pains all over body especially the neck and shoulders,sore throat all the time,no libido,very dry and itchy skin,allergy to many foods and severe weight lose and excessive fever.have done haemograms,esr,and treated common ailments for long i.e typhoid,amoeba,worms.what can I do now to diagnose my problem?