
If you have ME/CFS or Long COVID, you may be familiar with the term post-exertional malaise (PEM), which refers to the worsening of symptoms after physical or mental activity that would not have caused a problem before illness. [1]Symptoms of ME/CFS | Myalgic Encephalomyelitis/Chronic Fatigue Syndrome …. https://www.cdc.gov/me-cfs/symptoms-diagnosis/symptoms.html Accessed 3/19/2023. PEM can last for days, weeks, or longer and can affect any aspect of your health, such as fatigue, pain, sleep, cognition, mood, and more. [2]ME Association. 2021. “Symptoms: Post‐Exertional Malaise (PEM).” ME Association. Last modified November 3, 2021. … Continue reading
If you developed PEM after COVID-19, rolling PEM can be especially tricky to recognize because you may still be learning what your new limits are. The declining baseline might be mistaken for “still recovering from COVID” rather than a pattern of cumulative overexertion.
What is Rolling PEM?
But did you know that there is another type of PEM that can be even more harmful? It’s called rolling PEM and it occurs when you don’t recover fully after each day or crash and the PEM accumulates gradually over time. [3]How Hannah Finally, Finally Learned How to Pace – and How it Helped. https://www.healthrising.org/blog/2021/03/04/hannah-pacing-heart-rate-monitoring-chronic-fatigue-syndrome/ Accessed 3/19/2023. This means that you get progressively worse over months or years as you fail to recover completely from each incidence of overactivity.
References
| ↑1 | Symptoms of ME/CFS | Myalgic Encephalomyelitis/Chronic Fatigue Syndrome …. https://www.cdc.gov/me-cfs/symptoms-diagnosis/symptoms.html Accessed 3/19/2023. |
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| ↑2 | ME Association. 2021. “Symptoms: Post‐Exertional Malaise (PEM).” ME Association. Last modified November 3, 2021. https://meassociation.org.uk/medical-matters/items/symptoms-post-exertional-malaise-pem/ . |
| ↑3 | How Hannah Finally, Finally Learned How to Pace – and How it Helped. https://www.healthrising.org/blog/2021/03/04/hannah-pacing-heart-rate-monitoring-chronic-fatigue-syndrome/ Accessed 3/19/2023. |






