The signs and symptoms of sarcoidosis vary depending on which organs are affected. Many people don't have any symptoms, others may have one or more of the following:
- a persistent cough
- chest pain or discomfort
- unintentional weight loss
- painful red lumps (called erythema nodosum) on the front of the legs.
Most people have acute sarcoidosis, which only lasts a few years. But there's a rarer form known as chronic sarcoidosis that can need long-term treatment.