What causes black mucus? Is it a sign of lung cancer?

Black coloured mucus or phlegm coughed up can be a serious sign of an underlying illness. In an interview with HT Lifestyle, Dr. Vidit Kapoor, Assistant Professor, Medical Oncology, Amrita Institute of Medical Sciences, Faridabad aid, “Black mucus can be a symptom of various environmental exposures, infections or more severe conditions like lung cancer .

Persistent or recurrent black mucus should prompt urgent medical consultation to rule out malignancy and initiate appropriate treatment. Early detection of lung cancer significantly improves prognosis and treatment outcomes.” ALSO READ: Alarming rise of lung cancer in non-smoking Indians more than Westerners: Understanding the disparity What causes black mucus? Smoking : Tobacco use: India has a significant population of smokers, including use of beedis and cigarettes, which can lead to black mucus due to tar and other harmful substances in the smoke.

Coal mining : Workers in coal mines are at risk of developing pneumoconiosis (black lung disease) due to coal dust inhalation. Construction industry : Labourers exposed to dust and industrial pollutants may develop respiratory issues, leading to black mucus. Roadside pollution : Proximity to heavily trafficked roads increases exposure to vehicular emissions and dust.

Crop burning : Seasonal agricultural burning, especially in states like Punjab and Haryana, releases large amounts of particulate matter into the air, contributing to respiratory distress and black mucus. Tuberc.