My father has been diagnosed with pleural effusion TB for left lung from feb 9th 2023.we had admitted him to hospital,drained approx 500 ml of pleural fluid from left lung and then prescribed 6 months medical course.from feb 12th started Akurit-4 (4 tablets) , taken these medicines for 2 months.then after from april 13th started R-cinex (600/300) for morning and ethambutol 1000mg for afternoon ,after using these medicines he is suffering with severe nerve pains for both the  legs .then we consulted our pulmonologist he is suspecting that side-effect  due to isoniazid/ diabetic neuropathy /peripheral neuropathy. We have no idea what is going on for his health and started consulting the neurologist doctor.Started using Gabapin-NT(400/10), giovita, juviana plus from 3 days but pain is still persisting to both the legs.we have taken checkup for fasting blood sugar where 135mg/dl and Post prandial blood sugar is 225 mg/dl.Need the guidance what we have to proceed next for leg pains and TB.