Chronic fatigue after infection

We are all expecting that when we’re sick, there will be a definite end. You fall sick, get well, and then resume your everyday activities.

But what happens when the fever is gone, the infection has passed, and yet you still don’t feel like yourself?

After infection, some feel tired and have other symptoms which last for a long time. In others, this can progress to a more serious disorder, called myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS).

It’s not just being "a little tired.

Those with ME/CFS might find they can no longer perform activities they used to be able to do so easily. Post-exertional malaise is one of its most unique characteristics, as symptoms can become much worse after physical or mental exertion. The crash can take days or weeks to occur and may not occur at once.

Sleep may not be restful and some may have brain fog, dizziness, headache, pain and difficulty concentrating. However, many times, patients may appear completely well to anyone around them.

This poses another problem: To be ill without appearing ill.

Some infections have been linked to ME/CFS, such as Epstein-Barr virus and SARS-CoV-2, but not all infections are responsible for all cases of ME/CFS. The condition itself does not have a specific diagnostic test, and doctors can diagnose the condition based on the clinical history, examination and other tests as needed to exclude other causes.

Recovery doesn’t always mean “pushing through” for patients. For some, using activity management and pacing may be a way of preventing worsening symptoms

Have you ever been really tired for a long period after an infection, or do you know anyone who had to take a long time before they could get back to their normal lifestyle?

MBH/PS

1 Like

A great reminder that recovery isn’t always a straight line. Sometimes the body needs much more time than we expect.

1 Like

Important subject and still so under-recognised. Appreciate you writing about it.

1 Like

This is an important distinction between normal post-infection fatigue and conditions like ME/CFS. The point about post-exertional malaise is especially important “pushing through” isn’t always the answer. Greater awareness can help people recognize that someone can look fine while still dealing with significant symptoms.