What type of sputum is described as clear and thick?

Mucoid sputum is characterized by its clear and thick consistency. It is commonly produced in conditions where the airway is irritated or inflamed, such as in chronic bronchitis or asthma. The clear and thick nature of mucoid sputum indicates that it is primarily composed of mucus, secreted by the goblet cells in the airways to trap and eliminate pathogens and particles.

In contrast, purulent sputum typically appears yellow or green and indicates the presence of pus, often resulting from an infection. Phlegm can refer to mucus but is usually associated with inflammation or infection, often containing more cellular debris and not specifically defined by clarity or thickness. Hemoptysis refers to the coughing up of blood, which is a completely different type of sputum and indicates a serious condition that may require urgent medical evaluation.

Understanding these distinctions helps in clinical assessments and determining appropriate treatments based on the nature of sputum produced.