Dr. Curtis J. Mello MD

Bronchitis is an inflammation of the bronchi, usually resulting from a viral infection. Bronchitis can be either acute or chronic. Allergic bronchitis is also common among people who have allergies. Bronchitis is more common during the winter season when common cold and flu infect people in the...

Pneumonia is a serious lung infection that can be caused by bacteria, viruses, or fungi. It is a common disease, especially among the elderly and bed-ridden patients. Although it is quite serious, it can be easily treated....

Pneumonia is a lung infection that is caused by bacteria, viruses, or parasites. Moreover, pneumonia can develop in just one lobe of the right or left lung, the entire lung, or both of the lungs simultaneously. The primary characteristic of this lung disease is the inflammation of the air sacs or...

Tuberculosis, or TB, is a bacterial infection that spreads by breathing droplets of sputum containing the infectious organism. It mainly affects the lungs but may also reach other parts of the body, like bones and nervous system, as the bacteria may spread through lymph nodes and the blood stream. A...

Emphysema is a form of chronic lung disease and one of the main types of chronic obstructive pulmonary disease (COPD). This disease is regarded as "obstructive" because people who are suffering from emphysema exhale air as if there is an obstruction. There are various factors that can cause...

Sputum is a combination of mucus coughed up from the respiratory tract and saliva. It is usually a result of diseases or infections. Phlegm and sputum are often interchangeably used. Sometimes, the term mucus is used when referring to sputum or phlegm. However, mucus is also produced in the...