Hello Since this is a usual problem facing so many patients in this area for tuberculosis . Now your father is having fever and also lost 10 kg approximately within 3 months . When such patient visit with this weight I advise them to take forecox 1 tablet 2-3 hours after lunch. ONE TABLET PANTAPRAZOLE 1 hour before lunch . In the night levofloxacin 500 mg with pantaprazole -d . This treatment is for 3 months . After this 2nd line of treatment Enzyme preparation as whenever required. Hope this will help you.