2020年6月13日 · Most cases of shortness of breath are due to heart or lung conditions. Your heart and lungs are involved in transporting oxygen to your tissues and removing carbon dioxide, and problems with either of these processes affect your breathing.

Very strenuous exercise, extreme temperatures, obesity and higher altitude all can cause shortness of breath in a healthy person. Outside of these examples, shortness of breath is likely a sign of a medical problem.

2020年6月13日 · Seek emergency medical care if your shortness of breath is accompanied by chest pain, fainting, nausea, a bluish tinge to lips or nails, or a change in mental alertness — as these may be signs of a heart attack or pulmonary embolism.

Find possible causes of shortness of breath based on specific factors. Check one or more factors on this page that apply to your symptom.

2024年11月11日 · I'm hoping it's temporary and that tomorrow the shortness of breath will return to being an on-and-off nuisance. Have any of you had a similar experience with shortness of breath: most days it's only a nuisance, but then every once in a while, you'll have a 'bad' day.

2025年1月21日 · Heart failure occurs when the heart muscle doesn't pump blood as well as it should. When this happens, blood often backs up and fluid can build up in the lungs, causing shortness of breath. Some heart conditions slowly leave the heart too weak or …

Find out what causes or worsens your asthma, and take steps to avoid those triggers. Monitor your breathing. You may learn to recognize warning signs of an impending attack, such as slight coughing, wheezing or shortness of breath.

Symptoms of dilated cardiomyopathy — such as fatigue and shortness of breath — can mimic other health conditions. A person with dilated cardiomyopathy might not notice any symptoms at first. But dilated cardiomyopathy can become life-threatening.

2018年4月24日 · Feeling short of breath can be associated with strenuous exercise, extreme temperatures, obesity and high altitude. Aside from these examples, shortness of breath is a likely sign of a medical problem.

2023年5月11日 · Anemia is a problem of not having enough healthy red blood cells or hemoglobin to carry oxygen to the body's tissues. Hemoglobin is a protein found in red cells that carries oxygen from the lungs to all other organs in the body. Having anemia can cause tiredness, weakness and shortness of breath.