Iam 20 years old iam suffering from connective tissue disorder and the reason that there is a rusty coloured blood in the morning and coughng little blood so pulmonologist said that to have ct scan for chest and DNS normal and c-anca,p-anca are normal bt aptt is 30.0 secs and prothrombin with inr is 16.1 secs and inr range is 1.36 secs and my ana test is positive what might be the reason

Probable diagnosis is upper respiratory tract infection.Patient is advised tab augmentin 625mg orally,thrice dailly for 5 days,tab levocetrizine 10 mg for 5 days and syrup salbutoml 10 ml thrice dailly for 5 days.