Hypersensitivity. Proven hyperthyroidism. Trauma injuries, haemorrhages or recent bleeding episodes. Bronchography. Ischaemic & toxic effects for the gallbladder when used to treat hepatocellular carcinoma. Not to be administered in hepatic areas where bile ducts are dilated unless post-procedure drainage is possible. Possible total obstruction of hepatic artery & total suppression of arterial flow when given intra-arterially. Pregnancy.