21st June 2024

A patient is asked to attend the TB clinic for repeat bloods following a rise of their alanine transaminase (ALT)

A patient is asked to attend the TB clinic for repeat bloods following a rise of their alanine transaminase (ALT) to 250 international units per litre (I.U/L). The upper limit of normal ALT values provided by your hospital is 50 I.U/L. Which of the four first-line anti-tuberculous agents prescribed to the patient is least likely to have contributed to this biochemical derangement?

Select the SINGLE most appropriate option from the list below. Select ONE option only.