<prompt> A 30 year old pregnant woman devolopes tuberculosis. Which of the following antitubercular drugs should not be used -INHRifampicinStreptomycinEthambutol  <response>: Ans. is c i.e., Streptomycin o Streptomycin is an aminoglycoside antibiotic contraindicated in pregnancy due to risk of fetal ototoxicity. o Recommended treatment in pregnancy is 2HRZ 4HR for 6 months by WHO and British Thoracic Society. o Ethambutol can be added during late but not early pregnancy. o In India, treatment for pregnant women is 2HRE 7 HR Total 9 months. 