The word tired is used for a lot of things, such as tired from work or tired from stress. Most of the time, tiredness is a temporary condition that usually goes away. But Chronic fatigue syndrome is quite different.
Myalgia Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) is a debilitating, multi-system, biological illness that is characterized by severe, persistent, and unexplained fatigue that does not go away with rest or sleep.
The standard statistics estimate that there are 2.5 million Americans suffering from chronic fatigue syndrome. However, the real incidence of those who suffer this condition is thought to be far higher than the “black ratio”.
Women are 2-4 times more likely to be diagnosed than men, and the average time between the onset of chronic fatigue symptoms and the correct diagnosis is 5 years.
So, What is Chronic Fatigue Syndrome?
Chronic fatigue syndrome is not a one-symptom illness. It is a multi-system medical diagnosis characterized by extreme fatigue that lasts for more than six months.
It is a multi-system disease impacting the immune, nervous, endocrine, and energy-generating pathways. Unfortunately, the name is misleading, because the word “fatigue” implies something mild. But the tiredness people with ME/CFS suffer from is of a different nature than typical tiredness.
The most distinguishing characteristic of ME/CFS is what sets it apart from other forms of fatigue. It is something called post-exertional malaise (PEM). PEM in ME/CFS is not like the tiredness felt after doing some exercise and not being able to do more; it can happen after engaging in very little activity, is disproportionate to the activity performed, and can last 12 to 48 hours or longer after the activity.
ME/CFS can range from moderate to severe or very severe. It varies, adapts, and is highly personal.
Who is at risk for Chronic Fatigue Syndrome?
It affects children, teenagers, and adults of all ethnic backgrounds. However, the data show that it:
- Occurs 2-4 times more often in women than in men.
- Most often develops in people between the ages of 40 and 60, though the onset
- Common in black and Latino communities
What Causes Chronic Fatigue Syndrome?
There is no single virus or lab test that definitively causes this condition. Recent studies have indicated that there are biological triggers and contributing factors, each of which is unique among individuals.
1. Viral Infections:
The most well-documented trigger for ME/CFS is an acute infection. Viruses that may cause post-infectious CFS include Epstein-Barr virus (the virus behind mononucleosis), human herpesvirus 6, enteroviruses, and SARS-CoV-2 (COVID-19).
In this, your immune system remains in overdrive and continues to respond to inflammation.
2. Immune System Dysfunction:
Research shows that the immune cells in patients with this syndrome are hyperactive. They mistakenly attack healthy tissues, causing systemic inflammation that drains your cellular energy.
3. HPA Axis Dysregulation:
HPA axis is a system that controls your stress response. It is seen that the HPA axis is also frequently abnormal in ME/CFS patients. This causes an imbalance in cortisol and adds more stress to your system than it can handle.
4. Autonomic Nervous System Abnormalities:
A large number of people with ME/CFS have autonomic nervous system abnormalities. It’s the part of the nervous system that controls your heart rate, blood pressure, breathing, digestion, and many other involuntary functions.
One condition known as orthostatic intolerance is very common in ME/CFS. This happens when blood flow is not regulated as you stand up and can lead to symptoms such as dizziness, lightheadedness, increased heart rate, and increased fatigue while standing.
5. Genetic and hormonal factors
There seems to be a genetic link with ME/CFS, as it runs in some families and some genetic variants may make it more likely.
Chronic Fatigue Syndrome Symptoms
Chronic fatigue syndrome symptoms go beyond fatigue. Today, the diagnosis is based on the presence of three main symptoms and two supporting symptoms.
- Post-Exertional Malaise (PEM): PEM is the hallmark of ME/CFS and a key distinguishing feature from other fatigue conditions. It is often delayed by 12–48 hours after the triggering activity, which makes it difficult to connect cause and effect. PEM symptoms can include increased fatigue, cognitive dysfunction, flu-like symptoms, pain, and sensory sensitivity.
- Unrefreshing Sleep: You sleep for 8 to 10 hours but wake up feeling just as exhausted as when you went to bed. This is a nearly universal symptom of chronic fatigue syndrome and different from insomnia or poor sleep habits.
- Unable to do pre-illness activities: You cannot undertake activities you previously did before becoming ill, such as work, physical activity, socializing, and everyday tasks. It has been ongoing for 6 months or longer and is accompanied by significant fatigue.
- Brain Fog: Difficulty focusing, finding words, or comprehending information.
- Orthostatic Intolerance: You may feel dizziness, lightheadedness, or instability when standing up from sitting or lying down. POTS (postural orthostatic tachycardia syndrome) and NMH ( neurally mediated hypotension) are types of orthostatic intolerance and are much more prevalent in ME/CFS patients than in the normal population.
Other Common Chronic Fatigue Syndrome Symptoms
In addition to the diagnosis criteria, people with ME/CFS often have a variety of other chronic fatigue symptoms that differ from person to person and also change over time, including:
- Joint and muscle pain
- Sore throat
- Light and sound sensitivity
- Nausea
- bloating
- irritable bowel-type symptoms
- food sensitivities
- night sweats
- feeling excessively hot or cold
- Frequent infections
The combination of these symptoms revolves around neurology, immunology, endocrinology, and autonomic function. That is why ME/CFS is termed a multi-system illness. Some specialists often don’t see a comprehensive view. This is why an integrated primary care approach is essential to appropriate management.
How Is Chronic Fatigue Syndrome Diagnosed?
There is no single blood test, imaging test, or biomarker to determine a diagnosis of ME/CFS. Its diagnosis is clinical. This means that your primary care provider will have to document that you are truly tired by first excluding common, treatable conditions.
At present, the diagnosis of ME/CFS is based on:
- Three main symptoms (profound fatigue, PEM, unrefreshing sleep) are present to a significant degree for at least six months.
- Presence of at least one of the two other symptoms such as brain fog or orthostatic intolerance
- Exclusion of other medical conditions that could explain the symptoms
Your provider might perform a full evaluation to rule out low thyroid function, heavy bleeding, and sleep apnea. After excluding these common conditions, a primary care physician can make the diagnosis of CFS. This is a complex condition, and your health insurance can be used for specialist visits and advanced laboratory panels that help to confirm underlying immune and nervous system dysfunction.
Treatment and Management
There is no magic pill or FDA-approved treatment to reverse this condition. Therefore, chronic fatigue syndrome treatment is highly focused on medical management and lifestyle adaptation. The following action steps should be done in collaboration with your GP:
1. Pacing
The key to self-managing ME/CFS is pacing. The concept is to remain within your available energy envelope. This involves doing less than you are able to do on good days. This may sound easy, but it takes a lot of practice and lifestyle changes.
It is all about understanding what your personal limits are and dividing tasks into smaller parts that will not overwhelm you.
2. Sleep Hygiene
Sleep should be considered a medical requirement. Tricyclic antidepressants in low doses (e.g., amitriptyline) and melatonin can help improve sleep quality. This does not cure ME/CFS, but a poor night’s sleep can affect all other symptoms, so it is important that this is addressed.
It is important to get up and go to bed at the same time each day to help normalize your circadian rhythm.
3. Medication and Nutrition
There are no specific medications for this syndrome, but your primary care provider may prescribe medications to help control some of the chronic fatigue syndrome symptoms.
Some drugs may be prescribed to correct any deficiencies (such as Vitamin D, B12, iron, and magnesium), as deficiencies of any of these contribute to fatigue separately.
Overall advice is to follow anti-inflammatory diets, which include eating whole foods, foods high in omega-3 fats, and avoiding ultra-processed foods. For some patients, decreasing the sugar and alcohol intake lowers symptom flares. You must stay well-hydrated. This is particularly important for people who experience orthostatic symptoms.
The Bottom Line
Chronic fatigue is an extremely debilitating medical condition that profoundly affects your functioning. If you are feeling tired and unable to do your job properly, you need a medical evaluation.
At Kairos Integrative Care, Lola, one of our integrative nurse practitioners, takes ME/CFS seriously and runs a thorough evaluation and suggest you a health plan that suits your biology.
If this is your situation, we can help you get the answers and the proper care you need.
We see patients in Houston, Sugar Land, and nearby areas (77046 and 77478) and accept most major insurance plans, including Aetna, Cigna, BCBS, UnitedHealthcare, Tricare, and more.
Book your appointment today!
