What Phlegm Colors Mean?

Clear. Thin and clear mucus is normal and healthy. White. Thicker white mucus goes along with feelings of congestion and may be a sign that an infection is starting.

What color of phlegm is bad?

Red or pink phlegm can be a more serious warning sign. Red or pink indicates that there is bleeding in the respiratory tract or lungs. Heavy coughing can cause bleeding by breaking the blood vessels in the lungs, leading to red phlegm. However, more serious conditions can also cause red or pink phlegm.

What Colour is phlegm with a chest infection?

Chest infections often follow colds or flu. The main symptoms are: a chesty cough – you may cough up green or yellow mucus.