What are some symptoms of black lung disease?

Symptoms of black lung disease (also known as coal workers' pneumoconiosis) can include:

- Shortness of breath

- Wheezing

- Chest tightness

- Coughing

- Fatigue

- Weakness

- Weight loss

- Chest pain

- Hoarseness

- Swelling in the feet and ankles

- Blue or purple fingertips and lips

In severe cases, black lung disease can lead to:

- Respiratory failure

- Heart failure

- Kidney failure

- Death