Not to be used alone for IDDM. Not recommended in patients w/ severe thyroid function impairment. Concomitant use w/ cationic drugs. Promptly discontinue w/ CV collapse (shock), acute CHF, acute MI & other characterized by hypoxaemia. Suspend temporarily in any surgical procedure (except minor). Potentiated effects w/ alcohol. Avoid use in patients w/ evidence of hepatic disease. Pregnancy & lactation. Not recommended in childn <17 yr.