Pneumonia - Symptoms and causes - Mayo Clinic
2020年6月13日 · Pneumonia is an infection that inflames the air sacs in one or both lungs. The air sacs may fill with fluid or pus (purulent material), causing cough with phlegm or pus, fever, chills, and difficulty breathing. A variety of organisms, including bacteria, viruses …
Respiratory syncytial virus (RSV) - Symptoms & causes - Mayo Clinic
2023年10月4日 · Lung inflammation can be quite serious in infants, young children, older adults, immunocompromised individuals, or people with chronic heart or lung disease. Middle ear infection. If germs enter the space behind the eardrum, you can get a middle ear infection (otitis media). This happens most frequently in babies and young children. Asthma.
Aspergillosis - Symptoms & causes - Mayo Clinic
2022年1月6日 · Certain chronic lung (pulmonary) conditions, such as emphysema, tuberculosis or advanced sarcoidosis, can cause air spaces (cavities) to form in the lungs. When people with lung cavities are also infected with aspergillus, fungus fibers may find their way into the cavities and grow into tangled masses (fungus balls) known as aspergillomas.
Pneumonia - Diagnosis and treatment - Mayo Clinic
2020年6月13日 · Diagnosis. Your doctor will start by asking about your medical history and doing a physical exam, including listening to your lungs with a stethoscope to check for abnormal bubbling or crackling sounds that suggest pneumonia. If pneumonia is suspected, your doctor may recommend the following tests: Blood tests.
Pneumonitis - Symptoms and causes - Mayo Clinic
2024年7月30日 · Common causes of pneumonitis include airborne irritants at a job, in the home or from hobbies. Other causes include some cancer treatments and many different medicines. Trouble breathing, and often a dry cough, are the most common symptoms of pneumonitis. Treatment focuses on avoiding irritants and lessening the inflammation of lung tissue.
Bronchitis - Symptoms and causes - Mayo Clinic
2024年7月31日 · Bronchitis is an inflammation of the lining of your bronchial tubes. These tubes carry air to and from your lungs. People who have bronchitis often cough up thickened mucus, which can be discolored. Bronchitis may start suddenly and be short term (acute) or start gradually and become long term (chronic). Acute bronchitis, which often develops ...
Tuberculosis - Symptoms & causes - Mayo Clinic
2023年3月22日 · Tuberculosis (TB) is a serious illness that mainly affects the lungs. The germs that cause tuberculosis are a type of bacteria. Tuberculosis can spread when a person with the illness coughs, sneezes or sings. This can put tiny droplets with the germs into the air. Another person can then breathe in the droplets, and the germs enter the lungs.
Bronchiolitis - Symptoms and causes - Mayo Clinic
2024年5月4日 · Bronchiolitis is a common lung infection in young children and infants. It causes swelling and irritation and a buildup of mucus in the small airways of the lung. These small airways are called bronchioles. Bronchiolitis is almost always caused by a virus. Bronchiolitis starts out with symptoms much like a common cold.
COPD - Symptoms and causes - Mayo Clinic
2024年8月30日 · Any respiratory infection can make it much harder to breathe and could cause more damage to lung tissue. Heart problems. For reasons that aren't fully understood, COPD can raise the risk of heart disease, including heart attack. Lung cancer. People with COPD have a higher risk of getting lung cancer. High blood pressure in lung arteries.
Pulmonary fibrosis - Symptoms and causes - Mayo Clinic
2024年2月15日 · Pulmonary fibrosis Enlarge image. Pulmonary fibrosis is a lung disease that occurs when lung tissue becomes damaged and scarred. This thickened, stiff tissue makes it harder for the lungs to work properly. Pulmonary fibrosis worsens over time. Some people can stay stable for a long time, but the condition gets worse faster in others.