Thioacetazone has cross resistance with ?: (A) INH, (B) Rifampicin, (C) Ethionamide, (D) Ethambutol
Answer is C. Ans. is'c'i.e., Ethionamide(Ref; Essentials in tuberculosis P. 468)Thioacetazone has cross-resistance with ethionamide/prothionamide."A cross resistance between ethionamide and thiacetazone is repoed.Perchlozone also shows cross resistance with thiacetazone.