Wait about 7 symptom-free days after COVID, then return gradually: light 15-minute sessions first, building over 1 to 2 weeks. The caution exists because COVID can inflame heart muscle, and exercising with myocarditis is dangerous.
The staged return from sports-medicine guidance: light activity first, moderate effort next, full training only after the buildup passes clean. Severe or hospitalized cases stretch the timeline and need clinician guidance. The stop-and-get-evaluated list during any session back: chest pain, palpitations, breathlessness disproportionate to effort, dizziness, or fainting. Long COVID is a separate rulebook: lingering fatigue or post-exertional crashes mean pacing, not progression, and deserve clinical guidance. For straightforward mild cases, the 7-day pause plus graduated ramp is the entire protocol, and it is worth honoring, because rushing back is a well-documented route to symptoms that linger for months.
What to do
Common questions
When can I exercise after COVID?
COVID gets its own, more cautious rule than a cold because of myocarditis: the virus can inflame heart muscle even in mild cases, and exercising with an inflamed heart raises the risk of serious rhythm problems. The graduated guidance from sports-medicine literature (including a BMJ practice pointer): wait until you have been symptom-free for about 7 days, then return in stages, starting with at least 15 minutes of light activity (easy walking, gentle cycling), progressing through moderate effort over the following days, and only returning to full training after about 1 to 2 weeks of symptom-free buildup. If you had a severe case or were hospitalized, that timeline stretches and should be clinician-guided. The stop-and-get-checked symptoms during any return: chest pain or pressure, palpitations, breathlessness out of proportion to the effort, dizziness, or fainting; any of those needs cardiac evaluation before you exercise again. Long COVID changes the rules entirely: if you have lingering fatigue or post-exertional malaise (crashes after activity), graded exercise can backfire, and pacing, not progression, is the right frame; that is a clinician conversation. For most people with a mild case, though, the 7-day wait plus a graduated ramp is the whole answer, and the patience pays: returning too hard, too soon is a known path to prolonged symptoms.