The correct option is D All of the above
Rheumatic fever is an inflammatory disease, that can occur after an infection of the throat with bacterium, Streptococcus pyogenes or group A streptococcus. Various corticosteroid, such as prednisone may be given for treatment.
Acute glomerulo-nephritis is inflammation of the glomeruli. Corticosteroids and immune-suppressing drugs are taken to control inflammation.
Rheumatoid arthritis is a chronic inflammatory disorder that typically affects the small joints in the hands and feet. NSAIDs or non-steroidal anti-inflammatory drugs are given to relieve pain and inflammation and also, corticosteroid, such as prednisone.
Thus, the correct answer is option D