Breathing and Respiration: Causes, Symptoms, and Treatment
Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Breathing and Respiration?
A pulmonologist specializes in diseases of the lungs and airways. Most people start with a primary care doctor, who can treat many common breathing problems. If the cause is not clear or the problem is serious, they will usually refer you to a pulmonologist for testing and treatment.
What it is
Breathing is the act of moving air in and out of your lungs. Respiration is the process your body uses to take oxygen from that air. It also releases carbon dioxide, which is a waste gas. These two jobs work together to keep every cell in your body supplied with oxygen. When breathing does not work well, the whole body can feel the effects.
Symptoms
Common signs include shortness of breath, a lasting cough, wheezing, and chest tightness. Some people breathe very fast or feel tired. Bluish lips or fingertips signal low oxygen and need emergency care right away.
Causes and who gets it
Infections like pneumonia can make breathing hard. Long-term conditions are frequent causes too: asthma narrows the airways, and COPD is lasting lung damage often caused by smoking. Allergies, anxiety, heart problems, and smoke or pollution can also play a role. Smokers, older adults, and people with other health problems are more at risk, but it can happen to anyone.
How doctors diagnose it
A doctor will ask about your symptoms and listen to your lungs with a stethoscope. They may check your blood oxygen with a small finger clip. Breathing tests called spirometry measure how much air you can blow out, and chest X-rays or CT scans can show lung problems.
Treatment
Treatment depends on the cause. Infections may be treated with medicines that fight germs, while asthma and COPD are often managed with inhalers that deliver medicine directly into the lungs. Quitting smoking is one of the most helpful steps for many lung problems. Your doctor will build a plan that fits your situation.
When to see a doctor
See a doctor for shortness of breath that does not go away, a cough lasting more than a few weeks, or coughing up blood. Call for emergency help if breathing trouble comes on suddenly, if you have chest pain, or if your lips or face turn bluish. It is always better to get breathing problems checked early.
How a direct primary care or concierge doctor fits in
A direct primary care doctor charges a flat monthly fee instead of billing insurance, while a concierge doctor usually costs more and often works alongside insurance. Either one can treat coughs, mild asthma, and infections, and they often have longer visits. If you need special lung testing or have a serious condition like severe COPD, they will refer you to a pulmonologist and can stay involved in your care.
Common questions
Is shortness of breath always a lung problem?
No. Heart problems, anxiety, and low red blood cell counts can also cause it. A doctor can help figure out the cause.
Can breathing problems go away on their own?
Mild trouble from a cold often improves as the infection clears. Ongoing shortness of breath should always be checked by a doctor.
Do I need to stop exercising if I have a breathing problem?
Not usually, but talk with your doctor first. Many people with lung conditions can exercise safely with the right plan.
Sources
- National Heart, Lung, and Blood Institute - How the Lungs Work - The Respiratory System
- MedlinePlus - Lung Disease
Medical Disclaimer
This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.
