Welcome to HCM,
You have fever for last 5-6 days and not taken any medicines,but please visit your Physician to get yourself examined to see what it is possibilities of Malaria, Viral fever, Enteric fever
(Typhoid) and UTI are there but it is not good to ignore it.
Once examined go for Complete blood count
, Malarial parasite, Blood culture
and/or Widal test, Urine R&M and if required an X ray chest and Abdominal ultrasonography
In the meantime empirical therapy with anti malarial and anti biotics and paracetamol
will be started by your Physician and can be modified depending on results of your tests.
Take care of your diet keep yourself well hydrated and take rest.
Please take care