FLUOROMETHOLONE, INHIBIT THE INFLAMMATORY RESPONSE TO A VARIETY OF INCITING AGENTS. THEY INHIBIT THE EDEMA, FIBRIN DEPOSITION, CAPILLARY DILATION, LEUKOCYTE MIGRATION, PHAGOCYTIC ACTIVITY, CAPILLARY PROLIFERATION, FIBROBLAST PROLIFERATION, DEPOSITION OF COLLAGEN, AND SCAR FORMATION ASSOCIATED WITH INFLAMMATION. CORTICOSTEROIDS INHIBIT THE SYNTHESIS OF HISTAMINE WITHIN MAST CELLS BY BLOCKING THE ACTION OF HISTIDINE DECARBOXYLASE. CORTICOSTEROIDS ALSO DECREASE PROSTAGLANDIN SYNTHESIS AND RETARD EPITHELIAL REGENERATION. CORTICOSTEROIDS AND THEIR DERIVATIVES ARE CAPABLE OF PRODUCING A RISE IN INTRAOCULAR PRESSURE.