question: my mom was diagnosed with interstitial lung disease one and half yr back and has been on steroids since then.four mnths back she developed pulmonary TB.she could not tolerate the standard ATT,so she is taking isoniazid,ethambutol and levofloxacin.but for past one mnth she developed peripheral nuropathy.nerve conduction test showed reduced amplitutude in cp and pt nerves.the doc has stoped isoniazid for one week.what wud b the further management of her disease?