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Chronic Fatigue Syndrome

What is Chronic Fatigue Syndrome?

Chronic fatigue syndrome is a condition categorized by generalized fatigue that persists for 6 months or longer, and is more intense than would be expected based on the effort a person regularly exerts. Although science has yet to yield a full understanding of the underlying cause(s) of CFS, many researchers suspect impairments of the aerobic energy, immune system, and gastrointestinal systems may be responsible for the functional impairment experienced in individuals with this condition.

How Does it Feel?

The best known symptom of CFS is “postexertional malaise,” which causes a person to feel profoundly tired even with usual daily activities or minor overexertions. In addition, people with CFS may feel generalized body pains, headaches, difficulty thinking (ie, “brain fog”), and sleep disturbances. CFS has been described by some as feeling like a flu that has persisted for a very long period of time. These symptoms may fluctuate over time.

Full recovery is uncommon in adults with CFS, although it may be more common in children with CFS. Current clinical management relates to addressing symptoms and compensating for functional deficits in order to improve daily functioning.

Signs and Symptoms

Research has identified several symptoms of CFS, including:

Fatigue. One of the primary symptoms of CFS is fatigue that lasts 6 months or more.
Generalized pain.There is a significant amount of overlap between diagnoses of CFS and fibromyalgia, and some studies have suggested that 50% to 80% of people diagnosed with CFS also qualify to have a diagnosis of fibromyalgia. In both conditions, widespread distributions of pain are often present.
Frequent headaches. Many people with CFS complain about frequent or recurring headaches, which can lead to avoiding physical activity.
Muscle weakness. Decreased physical activity can result in general muscle weakness.
Cloudy thoughts and confusion. CFS may make it difficult to concentrate or “stay on task.”
Disturbed sleep. Despite generalized fatigue, those with CFS often have difficulty sleeping.
Flu-like symptoms. People with CFS report flu-like symptoms, including sore throats, muscle aches, and generalized fatigue.

How Is It Diagnosed?

CFS is a diagnosis of exclusion, meaning that no other health problem may be responsible for the fatigue. Diagnosis of CFS is symptom-based; your physician or physical therapist will base the diagnosis on the symptoms you report. They may also conduct medical tests to rule out other medical conditions. Unfortunately, there are no diagnostic tests to confirm the presence of CFS.

Your physical therapist may be the first to recognize an onset of CFS because of its effects on your physical function. Your physical therapist may ask you:

When do you feel fatigued and how long have you been feeling fatigued?Do you experience any widespread pain or discomfort?
Have you noticed any significant changes in your ability to perform physical tasks?
Have you noticed any sleep disturbances?
Have you noticed any recent changes in your ability to think clearly?
Cardiopulmonary exercise testing, including 2 tests arranged 24 hours apart, may be used to characterize the severity of your functional impairment. In addition, your physical therapist may ask you to fill out a questionnaire in order to better understand your physical state, and to screen for the presence of other conditions.

How Can a Physical Therapist Help?

Your physical therapist will work with you to develop a treatment plan to help ease your discomfort and improve your ability to perform daily activities.

Because fatigue, pain, and weakness are all associated with CFS, treatment will likely focus on improving short-term endurance and strength. Your physical therapist may also check for other conditions, such as depression and may refer you to other specialists for comanagement of your symptoms.

Physical therapy treatments may include:

Education. Your physical therapist will teach you strategies to help conserve energy while performing your daily activities.

Movement and Strengthening Exercises. Moving and exercising can improve your short-term endurance and strength and reduce your pain. Your physical therapist will help you identify specific movements that will help reduce your specific symptoms.

Manual Therapy. Manual (hands-on) therapy may be applied to manipulate or mobilize the skin, bones, and soft tissues to help reduce pain and improve movement.

Can this Injury or Condition be Prevented?

Unfortunately, the actual mechanisms behind CFS are not completely understood. To date, there is no sure way to predict or prevent the onset of CFS. However, early detection of the signs and symptoms related to CFS may help in its management.

Upon diagnosis, your physical therapist will work with you to develop strategies to better understand and manage your signs or symptoms.

As with many conditions education is key. Understanding maintenance strategies, such as balancing periods of activity and rest, can help you live a functional life with CFS.
Moderate, short-duration exercises may be performed without making your symptoms worse after your symptoms are well controlled with a pacing self-management program.
Cognitive behavioral therapy and psychotherapy may also help in addressing possible associated disorders, such as anxiety and depression.

Real Life Experiences

Angela is a small-animal veterinarian whose job requires her to be on her feet for 10 hours straight to perform surgeries during her workday.

Over the past few months, Angela has been feeling extremely tired, even on the days when her workload is light. Fearing that she could have multiple sclerosis like her sister, Angela makes an appointment with her primary care physician. He, after a thorough examination, refers her to a neurologist.

Angela’s neurologist orders multiple tests, all of which comes back negative. At that point, she is given the diagnosis of CFS. Her neurologist refers her to physical therapy.

During her examination, Angela states that her fatigue tends to come and go, but she remains profoundly fatigued at all times. Angela has to stay in bed all weekend to recover from even a normal work week. She feels better earlier in the week than later in the week, but her symptoms are getting worse over time. Angela also says that she feels ill when she is fatigued, and that she also has difficulty concentrating. Angela reports that she has missed the past 3 weeks of work, due to her problems. She also reports that she feels anxious about the recent diagnosis, and that everything she has read about CFS sounds negative.

Her physical therapist identifies weakness, range of motion limitations, and muscle pain. The first cardiopulmonary exercise test reveals no abnormalities. However, the maximum volume of oxygen her body can consume is decreased on the second test, even though the test is rated as a maximal test. Her measurements suggest moderate to severe cardiovascular and pulmonary impairment on the second day, which explains her fluctuating functional deficits. Angela also experiences increased “brain fog” and body aches on the day of the second cardiopulmonary exercise test.

Following her exam, her physical therapist talks to her about her condition, and develops a strategy for physical therapy that he feels is best for her, consisting of activities and short exercises that will gently increase her strength and endurance, and help ease her pain.

Despite the complexity of her condition, Angela does well with a personalized course of physical therapy. Following several months of skilled services, she reports a 50% reduction in symptoms with her daily activities. With her physical therapist’s help, Angela now feels confident that she can manage her symptoms as she performs her daily activities.


The patients with chronic fatigue syndrome have successful outcomes with physical therapy and rehabilitation treatment at Therapy SPOT – Bellaire “Therapy SPOT – Bellaire”. Located in the bellaire neighborhood of Houston TX. Call us at 832-588-3552, email our office manager at [email protected] or complete the online form Here.

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