Noted your history about ulcerative colitis
, mild fever and high pulse rate in spite of all the mentioned tests being normal.
I would advise you the following in such a situation:
Consult your Doctor and discuss about other possible causes of your symptoms like tuberculosis
, malaria and so on.
These diseases can cause low grade fever
at a given particular time.
Also go for tests of Urine: Routine, microscopy, culture and sensitivity.
Stool tests for three consecutive days.
A course of an antibiotic, metronidazole
and probiotics may help you.
Also watch for the foods, beverages, factors that cause some allergic reaction
causing low grade fever and itching all over body.
Addition of an antihistamine and oral short course of steroids may help you.
All these things to be done under the guidance of your Doctor.
Hope I have answered your query. Let me know if I can assist you further.
Dr. T Chandrakant,