Exercising with a cold can be tricky. According to the American Lung Association (ALA) and the American Heart Association (AHA), the severity of your symptoms should determine whether it’s safe to work out.
If symptoms are mild and confined to the head (like a runny nose or sore throat), light exercise such as walking or stretching can be safe and help you feel better. However, intense activities like running or heavy lifting can worsen symptoms.
The “neck rule” is a simple guideline: if symptoms are above the neck, it’s generally okay to exercise, but if they involve the chest or body (like fever, coughing or body aches), rest is crucial.
The AHA emphasizes that fever is a major red flag [1]. A fever increases your heart rate and body temperature and combining that with exercise could lead to dangerous complications like dehydration or heart issues.
They advise taking a break from exercise until you’re fully recovered. Even mild colds can trigger flare-ups for those with underlying conditions such as asthma or heart disease.
So, avoiding exercising during illness is best and consult a healthcare provider if symptoms worsen.
Hydration and rest are vital for recovery, and pushing yourself too hard can prolong the illness. The ALA also stresses that if you feel exhausted or rundown, it’s a sign that your body needs rest, not a workout [2].
In short, listen to your body when you’re sick. Mild symptoms may not prevent light exercise, but severe symptoms like fever or fatigue should signal the need to rest.
[1] American Heart Association. Is it OK to exercise when you’re sick?
[2] American Lung Association. Can You Exercise with a Cold?
