Hi,
Thanks for using Healthcaremagic,
Your daughter is having fever for last 20 days and there is no cause is detected yet such fever are known as Pyrexia of unknown origin and need proper examination and investigation to detect the cause of fever.
In such cases patient should be hospitalized and investigated depending on examination.You can take
second opinion certainly.
PUO may due to following
1)infections like hidden abscesses, endocarditis, tuberculosis, and complicated urinary tract infections Malaria Resistant one.
2)connective tissue diseases like
temporal arteritis and
polymyalgia rheumatica, Still's disease, systemic
lupus erythematosus, and
rheumatoid arthritis.
3)Lymphomas, leukaemias ?
4)undiagnosed conditions
Relevant investigations like Ct scan, bone marrow,anti nuclear factor, RA factor Echocardiography and ultrasonography repeat x ray chest.
Hope these will find the cause and treatment depend on cause.
Hope this helps.
Take care.
Good Luck.
Dr.Akhilesh Dubey M.D