For getting confirmation regarding typhoid illness ,get two repated To and TH titres (widal test ) and values of both above 1:160 should be always considered positive.individual value of T0 is not right as there is very high cross reactivity of T0 antigen with other viral illness.
Next Steps
Get your
crp (quantitative) test done .take ors and maintain your hydration.
Health Tips
The diarrhoea which u r getting is mainly viral ..add probiotics either in the form of oral supplements or yogurt ..that will suffice .