2020年6月13日 · Shortness of breath — known medically as dyspnea — is often described as an intense tightening in the chest, air hunger, difficulty breathing, breathlessness or a feeling of suffocation. Very strenuous exercise, extreme temperatures, obesity and higher altitude all can cause shortness of breath in a healthy person.

2020年6月13日 · Activity in very hot and humid or very cold conditions may magnify the dyspnea caused by chronic lung diseases. Have an action plan. If you have a medical condition that causes shortness of breath, discuss with your doctor what to do if your symptoms become worse. Keep elevation in mind.

2024年11月19日 · Emphysema is a long-term lung condition that causes shortness of breath. Over time, the condition damages the thin walls of the air sacs in the lungs called alveoli.

2020年6月13日 · Mahler DA. Evaluation of dyspnea in the elderly. Clinics in Geriatric Medicine. 2017;33:503. Davis C, et al. Advances in the prevention and treatment of high altitude illness. Emergency Medicine Clinics of North America. 2017;35:241. Warning signs of heart failure.

2024年8月30日 · Causes. The main cause of COPD in developed countries is tobacco smoking. In the developing world, COPD often occurs in people exposed to fumes from burning fuel for cooking and heating in homes that don't have good airflow.

2022年7月3日 · Mahler DA. Evaluation of dyspnea in the elderly. Clinics in Geriatric Medicine. 2017;33:503. Davis C, et al. Advances in the prevention and treatment of high altitude illness. Emergency Medicine Clinics of North America. 2017;35:241. Warning signs of heart failure.

2023年4月6日 · Overview. Sleep apnea is a potentially serious sleep disorder in which breathing repeatedly stops and starts. If you snore loudly and feel tired even after a full night's sleep, you might have sleep apnea.

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.

2023年7月28日 · Treatment. There's no cure for pulmonary hypertension. But treatment is available to improve symptoms and prolong life, and to keep the disease from getting worse.

2025年3月8日 · Asthma is a condition in which your airways narrow and swell and may produce extra mucus. This can make breathing difficult and trigger coughing, a whistling sound (wheezing) when you breathe out and shortness of breath.