Hypothyroidism, cirrhosis, ocular herpes simplex, hypoprothrombinemia, nonspecific ulcerative colitis, diverticulitis, fresh intestinal anastomoses, active or latent peptic ulcer, renal insufficiency, HTN, osteoporosis, acute glomerulonephritis, vaccinia, varicella, exanthema, Cushing's syndrome, antibiotic-resistant infections, DM, CHF, thromboembolitic tendencies, thrombophlebitis, convulsive disorders, metastatic carcinoma, myasthenia gravis. Prolonged use & abrupt discontinuation. Renal disease. Pregnancy & lactation.