What should you know about shortness of breath after covid?

Breathlessness may follow irritation or inflammation in the airways, reduced fitness after illness, or changes in how breathing feels during activity. Other conditions can also cause it, including asthma, anaemia, heart rhythm problems, or lung disease. The symptom does not identify one diagnosis by itself.

Notice whether it occurs at rest or with exertion, whether it is improving, and whether cough, wheeze, chest discomfort, palpitations, fever, or swollen legs occur with it. This information helps a clinician decide whether you need examination, oxygen measurement, breathing tests, blood tests, or heart assessment.

Contact a GP if breathlessness persists, returns after improving, or stops you doing ordinary activities. Increase activity gradually, take rests, avoid smoke, and use any prescribed inhaler exactly as directed. Keep a short symptom diary with triggers, activity, recovery time, and associated symptoms. Do not push through marked breathlessness.

Get emergency help for severe or rapidly worsening breathlessness, blue or grey lips, fainting, new confusion, severe chest pressure, coughing blood, or inability to speak in full sentences. Sudden breathlessness with facial or throat swelling can indicate anaphylaxis and needs immediate treatment.

Could this be related to my recent infection or another condition? Do I need breathing, blood, or heart tests? Which activities are safe while I recover?