<s>[INST] ma age is 22 ht - 5'10" weight 72 last month i had fever so i went to doctor than medicines were going on than 1 month ago urine was not passing so i went a hospital i was admitted frm 4 weeks uro bag is fixed last week it was removed bt urine passed only when i did ma potty every reports are nomal mri, sonography  and yesterday i showed to urologist also that is also normal. ma brainn doctor said your fever has went to brain so it will take time. [/INST] Hello,I had gone through your query and understand your concern. Short answer: Brain fever is infection of part of brain.Detailed answer: Thanks for asking on HCM.Brain fever is a term used to refer an infection of brain. It may encephalitis, meningitis, cerebritis etc. It may also be due to scarlet fever. These conditions presents with fever. It may also cause some neurological problems like inability to pass urine. Yes, with right treatment it takes some time get completely cured.Hope this helps.If you have any other queries, feel free to ask. Regards, Dr.Prathap Kumar </s>