This occurs 5 to 10 percent of the time. No one can predict how sarcoidosis will progress in an individual patient. But the symptoms the patient experiences, the doctor's findings, and the patient experiences, the doctor's findings, and the patient's race can give some clues. For example, a sudden onset of general symptoms such as weight loss of feeling poorly are usually taken to mean that the course of sarcoidosis will be relatively short and mild. Dyspnea and possibly skin sarcoidosis often indicate that the sarcoidosis will be more chronic and severe.
White patients are more likely to develop the milder form of the disease.
Black people tend to develop the more chronic and severe form. Sarcoidosis rarely develops before the age of 10 or after the age of 60. When symptoms do appear in these age groups, the symptoms are those that are more general in nature, for example, tiredness, sluggishness, coughing and a general in nature, for example, tiredness, sluggishness, coughing, and a general feeling of ill health.