The disclosure provides a method of treating a disease or condition mediated by vascular hyperpermeability in an animal. The method comprises administering an amount of a danazol compound effective to inhibit vascular hyperpermeability and an amount of a second drug effective to treat the disease or condition. The disclosure further provides a method of inhibiting vascular hyperpermeability when it is a side effect caused by administration of a drug to, or another treatment of, an animal. The method comprises administration of an amount of a danazol compound effective to inhibit the vascular hyperpermeability. The disclosure also provides a method of modulating the cytoskeleton of endothelial cells in an animal comprising administering an amount of a danazol compound and an amount of a second drug effective to modulate the cytoskeleton. The present disclosure also relates to pharmaceutical compositions and kits comprising a danazol compound and a second drug.