Rifampin is safest! 2 RCTs of 6485 latent TB pts compared 9 mos of isoniazid vs 4 mos of rifampicin. RIF had half the adverse events compared to INH; roughly half the rate of rash (1.5% v 2.7%); No grade 3-4 hepatotoxicity w/ RIF, compared 6%) w/ INH https://t.co/n1cVKyEPf6