Hi, Doctor, I had a blunt head injury due to which the CSF got out through nose a state called rhinnorhea, as and when i started medicine i got motions and now i has been nearly 50 days. I am using Metronidazole but of no use. Still I am having motions and weakness is there, although I don t have abdominal cramps, fever or bloody stools. the treatment although stopped in ten days but this disorder still continues. i am getting weak due to motions i am taking fluids too but still i am getting weaker.What should be done?