We document three cases of tuberculosis (TB) in 237 systemic lupus erythematosus (SLE) patients. Their ages at SLE and TB diagnoses were 13/15, 10/25, and 13/24 years. All were female and in all the TB was diagnosed during a period of lupus flare-up when they were receiving prednisolone and other immunosuppressive drugs. All three patients had extrapulmonary TB: Two had miliary TB and one had disseminated TB through the muscles, left knee joint, and lungs. All three patients experienced anti-TB drug-induced hepatotoxicity manifesting as jaundice along with elevated transaminase enzymes from the first-line anti-TB drugs they received, leading to a change to second-line drugs in two of them. In conclusion, although TB in SLE patients is not common, it should be considered when a patient is nonresponsive to the SLE treatment. Higher rates of extrapulmonary TB and anti-TB drug-induced hepatotoxicity in SLE patients with TB were noted.
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