According to your sign and symptoms you are suffering from loose motion with pain in left leg and hand with weakness and feverish and nausea and vomiting sensation.
Do test as CBC ESR ,
CRP ,
LFT and Typhoid like Widal test and Typhidot IgG and IgM with stool test
Next Steps
You should take consultation for better evaluation and best treatment .
Health Tips
Please follow good life style-
As take plenty of fluid and
And take less spicy and fatty food and
Keep positive attitude to fight any disease and any problem of your life.