Mesothelioma Fatigue and Muscle Weakness
Page Medically Reviewed and Edited by Anne Courtney, AOCNP, DNP This page has been fact checked by a Doctor of Nursing Practice who specializes in Oncology and has experience working with mesothelioma patients.
Sources of information are listed at the bottom of the article. We make every attempt to keep our information accurate and up-to-date.
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Those with mesothelioma, like most cancers, experience fatigue and muscle weakness. The cancer itself, its symptoms, treatments, lack of activity, poor sleep, and other factors can cause fatigue and muscle loss. Addressing these can help increase energy.
Fatigue and Weakness Often Accompany Cancer
Mesothelioma patients are not alone in feeling weak, tired, and lethargic; these are typical symptoms among cancer patients of all types. While similar and related, the symptoms are not exactly the same:[1]
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- Fatigue. Everyone knows what it feels like to be tired or to lack energy, but fatigue is the extreme version. Even with adequate sleep and rest, fatigue can be a problem, making it difficult to do anything. Between 80% and 100% of cancer patients experience fatigue.
- Muscle weakness. Weakness is specifically related to strength. When muscles weaken or decrease, it becomes difficult to be active or even mobile. Cancer-related muscle weakening can be one or a major cause of fatigue.
What Causes Muscle Weakness in Mesothelioma?
It is usually easy to pinpoint the underlying cause of muscle weakness in cancer patients. There are multiple factors of living with mesothelioma that contribute muscle weakness:[1][2][3]
- Malnutrition. Nutrition can be an issue for mesothelioma patients, leading to muscle loss. Loss of appetite is common, because of symptoms caused by the cancer or side effects of treatment, such as mouth sores from chemotherapy.
- Lack of activity. It can be difficult to be active at all when struggling with mesothelioma, which can subsequently lead to muscle wasting.
- Cachexia. This is severe muscle wasting caused by the underlying cancer. This is a sign of advanced disease and when this happens, can be closely associated to nearing end of life. It occurs in all types of cancers, in later stages and results in loss of muscle and fat tissue.
- Bone metastasis. In some cases, advanced metastatic mesothelioma can spread to the bones. This is often associated with pain and subsequent weakness.
- Other factors. There may be many other factors that contribute to weakness, including medications, radiation therapy, hormonal changes caused by tumors on glands, low blood count as a result of treatments, or infections.
What Causes Fatigue in Mesothelioma?
Fatigue is harder to quantify, and the causes are usually more complicated. Weakened muscles can be one factor that contributes to fatigue, but there may be many contributing factors:[1]
- Side effects of the cancer, like pain and poor appetite
- Treatments and their side effects, such as nausea and low energy
- Complications of treatments, such as changing protein and hormonal levels that lead to inflammation
- Toxic substances that accumulate in the body from the cancer cells
- Emotional responses to mesothelioma, such as depression, stress, and anxiety
- Lack of sleep
- Poor nutrition
- Lack of activity
Treating Muscle Weakness
Management for muscle weakness or wasting depends on the cause. Treatment of the underlying cause can always be helpful, whether that is with systemic chemotherapy or radiation for bone metastasis. There are guidelines specific towards physical activity and the benefit this can have on overall energy and physical symptoms.
Cachexia is similarly difficult to manage, as it comes at the later stages of mesothelioma. However, some interventions will help, especially when caught early:[4]
- Managing any symptoms or complications that reduce appetite, such as nausea caused by chemotherapy or infections
- Using appetite stimulants
- Taking high-calorie and nutrient-dense nutritional supplement
Physical activity, using the muscles, can slow or reverse tissue loss. This may be difficult depending on the symptoms and stage of the cancer, but even limited activity can help. Patients may work with a physical therapist to improve muscle mass.
Managing Fatigue
Fatigue can be more difficult to manage, especially if the main cause cannot be identified or if there are multiple factors. Addressing muscle weakness may be the first step, though. If contributing factors can be identified, such as pain or anemia, treating them may help.
Other strategies and therapies may help reduce fatigue and improve energy:[5]
- Light physical activity, such as walking or gentle yoga
- Massage therapy
- Dietary and nutritional counseling to improve diet
- Working with a sleep specialist
- Medications to boost energy
- Working with a therapist to manage stress or depression
- Getting plenty of rest and relying on family or friends to help with responsibilities
Muscle weakness and fatigue are difficult to deal with and limit quality of life. Mesothelioma patients often struggle with these symptoms. Your medical team can put together an individualized plan to help you regain strength and combat fatigue.
Page Medically Reviewed and Edited by Anne Courtney, AOCNP, DNP
Anne Courtney has a Doctor of Nursing Practice degree and is an Advanced Oncology Certified Nurse Practitioner. She has years of oncology experience working with patients with malignant mesothelioma, as well as other types of cancer. Dr. Courtney currently works at University of Texas LIVESTRONG Cancer Institutes.