 [ Symptoms ] i had a microbe in my lungs that caused me strong fever and fast heart beats [ Disease ] extensively drug resistant tuberculosis xdr is a relatively rare type of multidrug resistant tuberculosis it is resistant to almost all drugs used to treat tb including the two best first line drugs isoniazid and rifampin xdr is also resistant to the best second line medications fluoroquinolones and at least one of three injectable drugs i e amikacin kanamycin or capreomycin