A better way of treating TB: McGill doctor develops new standard

He wasn’t sick and he wasn’t contagious — but a blood test showed the 80-year-old man was infected with a dormant version of tuberculosis. His medical specialist recommended getting rid of the TB bacterium with a heavy course of antibiotics. The aim of the therapy was to prevent two things: a full-blown attack in his lungs and a chance for a drug-resistant strain to develop and spread.
But the cure nearly killed the patient. Isoniazid, the common drug used to eradicate TB bacte