Diseases which cause high ASO titer are rheumatic fever, scarlet fever, erysipelas, acute post streptococcal glomerulonephritis.In scarlet fever
there is fever
, abdominal pain, sore throat but there is
a classical sandpapery feel rash which helps in its diagnosis. Rheumatic fever is characterized by appearance of a rash, skin nodules, joint pains, fever, heart problem, and involuntary movements .