Common indications for corticosteroids, by field, include [2][5]:

• Allergy and Pulmonology: asthma exacerbation, COPD exacerbation, anaphylaxis, urticaria and angioedema, rhinitis, pneumonitis, sarcoidosis, interstitial lung disease.
• Dermatology: contact dermatitis, pemphigus vulgaris
• Endocrinology: adrenal insufficiency, congenital adrenal hyperplasia
• Gastroenterology: inflammatory bowel disease, autoimmune hepatitis
• Hematology: hemolytic anemia, leukemia, lymphoma, idiopathic thrombocytopenic purpura
• Rheumatology: rheumatoid arthritis, systemic lupus erythematosus, polymyositis, dermatomyositis, polymyalgia rheumatica
• Ophthalmology: uveitis, keratoconjunctivitis
• Other: organ transplantation, antenatal lung maturation, nephrotic syndrome, cerebral edema, multiple sclerosis

https://www.ncbi.nlm.nih.gov/books/NBK554612/