<prompt> Drug causing icthyosis and hyperpigmentation, when used in leprosy is -RifampicinDapsoneClofazimineEthionamide  <response>: Ans. is c i.e., Clofazimine o Adverse effects of clofazimine 1. Skin --- Reddish-black discolouration of skin, dryness of skin and itching, Discolouration of hair and body secretions, acneform eruptions and phototoxicity, conjuctival pigmentation. 2. GIT -- Enteritis with loose stools, nausea, abdominal pain, anorexia and weight loss. 