Significance of Mountoux test - Online Doctor Chats

Doctor :   Hi
Doctor :  
How can I help you?
User :   Hello Sir, If the Chest Xray is clear, and Mantoux test has come positive like 18/22, then what does it mean,
Doctor :   Well it is quite normal
Doctor :  
It just says that you have an infection but not a disease
User :   Do you mean IT is not a TB?
User :   Please answer sir
Doctor :  
Well Chest x-ray is normal
User :   yes si
User :   I mean sir
Doctor :   It depends on other factors also
Doctor :  
like if you have fever, cough, your age, any history of exposure
Doctor :  
and other associated conditions
User :   Yes the Fever comes, and Also I have Typhoid since 3-4 months
Doctor :   Ok
Doctor :  
But still typhoid infection is present?
Doctor :   Havent you taken treatment for that?

Typhoid fever Infectious disease