
Chronic lymphocytic leukaemia (CLL) is a slowly progressing form of leukaemia that usually manifests in adults. It affects the white blood cells called lymphocytes, which help fight infections. As CLL progresses, patients may experience a range of symptoms, including swollen lymph nodes, weight loss, and fatigue. While muscle pain and weakness are not directly attributed to CLL, they can be side effects of the disease and its treatment. For instance, chemotherapy, targeted therapies, and corticosteroids can induce muscle pain and fatigue. Furthermore, CLL treatments can lower red blood cell counts, leading to anaemia, which results in fatigue and difficulty breathing.
| Characteristics | Values |
|---|---|
| Muscle Weakness | Muscle weakness is not listed as a direct symptom of CLL. However, CLL can cause fatigue, which may manifest as muscle pain or discomfort. CLL treatments such as chemotherapy can also cause muscle pain. |
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What You'll Learn

CLL can cause muscle and joint pain as side effects of treatment
Chronic lymphocytic leukaemia (CLL) is a slowly progressing form of leukaemia that usually causes symptoms only in the later stages of the cancer. CLL affects the white blood cells called lymphocytes, which help fight infections. As the disease advances, people with CLL may experience a weakened immune system, weight loss, fatigue, and muscle and joint pain.
While muscle and joint pain are not the most common symptoms of CLL, they can be side effects of the treatment. Treatments such as chemotherapy, targeted therapies, or corticosteroids can cause muscle and joint pain. Additionally, CLL can lead to secondary conditions such as arthritis or osteoporosis, which contribute to joint and bone pain.
It is important to note that muscle and joint pain can also be caused by other factors related to CLL. For example, as CLL progresses, it can cause bone marrow involvement, where CLL cells enter the bone marrow, resulting in discomfort or pain in the bones and joints. This can put pressure on nerves, causing pain. Furthermore, the chronic fatigue associated with CLL or its treatment can sometimes manifest as generalised muscle pain or discomfort.
If you are experiencing muscle and joint pain and are concerned about CLL or its treatment, it is essential to consult your healthcare provider. They can evaluate your symptoms, rule out other potential causes, and provide appropriate management strategies to reduce muscle and joint pain.
While CLL can be a concerning condition, working closely with a doctor and following their treatment advice can help improve one's quality of life.
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CLL can lead to a higher risk of infection
Chronic Lymphocytic Leukemia (CLL) is a type of blood cancer that weakens the immune system, making patients susceptible to infections. As CLL progresses, patients may experience new symptoms such as infections and worsening anemia. Chemotherapy and other cancer treatments can also weaken the immune system and increase the risk of infection.
CLL patients are at an increased risk of infectious morbidity and mortality due to immunodeficiency related to the leukemia itself and the cumulative immunosuppression related to its treatment. The risk of infection increases with the duration of CLL and the number of lines of chemotherapy received. Bacterial infections are the most common, accounting for 67% of infections in CLL patients, followed by viral infections at 25% and fungal infections at 7%. Upper respiratory tract infections are the most frequent type of infection, affecting 25% of patients. Other common infections include pneumonia, nasopharyngitis, urinary tract infections, and herpes pharyngitis.
CLL patients may also develop autoimmune-type diseases, which usually affect the blood rather than the joints. Additionally, CLL patients are at risk of developing secondary cancers due to their weakened immune systems, which can be life-threatening.
The risk of infection in CLL patients can be mitigated by staying current on all vaccinations and avoiding people who are sick. Bone marrow transplantation has been used to induce a prolonged period of disease-free survival in selected subsets of CLL patients, but this treatment carries the risk of additional immunosuppressive complications such as graft-versus-host disease and graft rejection, which can further increase the risk of severe opportunistic infections.
While CLL can weaken muscles and cause body aches, this is not a direct symptom of the disease. Instead, muscle weakness and aches may be due to infection or the body's increased energy demands as the immune system works overtime to fight invader cells.
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Fatigue is a common symptom of CLL
CLL increases inflammation in the body, which can make people feel extra tired. The body's inflammatory response to the cancer also produces cytokines, which contribute to the feeling of fatigue. In addition, CLL patients may develop a rare type of anemia known as autoimmune hemolytic anemia, which causes the body to destroy its own red blood cells, resulting in fatigue.
The fatigue associated with CLL can be challenging to deal with and can significantly impair a person's quality of life. It is important for patients to keep their healthcare team updated on how they are feeling, as they may be able to help manage the fatigue. There are both medical and non-medical treatments for CLL-related fatigue, and the best approach may be to treat the CLL itself. Medications such as armodafinil and modafinil can be used to treat sleep-related disorders, and other medications can be prescribed off-label to treat fatigue.
There are also lifestyle changes and strategies that may help patients better cope with fatigue in their daily lives. These include getting enough sleep, regular physical activity, and eating a healthy, balanced diet. It is also important to conserve energy by taking short rest breaks throughout the day and pacing oneself. Patients should be kind to themselves, prioritize their energy, and accept help from others when needed.
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CLL can cause weight loss and loss of appetite
Chronic Lymphocytic Leukaemia (CLL) is a type of blood cancer that can cause a weakened immune system and a higher risk of infection. As the disease advances, it can lead to a range of symptoms, including weight loss and a loss of appetite.
While weight loss can be a symptom of CLL, it is important to note that it can also be caused by other factors, such as infections or inflammatory conditions. Additionally, certain treatments for CLL, such as ibrutinib therapy, have been associated with significant weight gain, particularly in male patients.
People with CLL may struggle to maintain their weight due to a loss of appetite. This can be a result of the increased energy demands of the body as it fights invader cells, leading to a higher calorie intake requirement. However, it is important to consult a doctor or dietitian for tailored advice, as managing weight loss and appetite loss in CLL patients can be complex.
The emotional impact of a CLL diagnosis can also contribute to weight loss and a loss of appetite. Feelings of shock, anxiety, anger, and depression are common and can affect an individual's mental health and daily routine. It is crucial for patients to have a strong support system and to communicate openly with loved ones about their diagnosis and how it affects them.
While this condition can impair one's quality of life, newer targeted therapies have altered the treatment landscape of CLL, and ongoing clinical trials continue to explore additional medications.
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CLL can cause swollen glands and an enlarged spleen
Chronic lymphocytic leukaemia (CLL) is a cancer that affects the white blood cells called lymphocytes. Many people with CLL have no symptoms at first, and the symptoms it shares with other illnesses can be quite vague. However, CLL can cause swollen glands and an enlarged spleen.
Swollen lymph nodes are common in people with CLL. The swollen glands are usually found in the neck or under the arms. This is because the white pulp within the spleen acts as an immune organ, much like an enlarged lymph node. Lymphocytes, both normal and cancerous, can grow here.
An enlarged spleen is also common in people with CLL. This is called splenomegaly. The spleen may become several times larger than normal and may extend well into the abdomen. It can be felt during the palpation of the left side of the abdomen, below the rib cage. When enlarged, the spleen is at a higher risk of injury and may even rupture in an accident.
An enlarged spleen may cause a full feeling in the abdomen and a sense of early satiety, or not being hungry. It can also lead to a significant drop in red blood cell and platelet counts, causing anaemia. This can worsen autoimmune problems in CLL, such as autoimmune hemolytic anaemia and immune thrombotic thrombocytopenic purpura (ITP).
If your spleen is enlarged, your doctor will likely advise you to avoid activities with a risk of abdominal injury. In rare cases, spleen removal surgery (splenectomy) may be performed to reduce symptoms.
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Frequently asked questions
Chronic lymphocytic leukaemia (CLL) can cause muscle pain and discomfort. This is often due to the chronic fatigue associated with CLL, which can manifest as general muscle pain. CLL treatments, such as chemotherapy, can also cause muscle pain as a side effect.
The symptoms of CLL include swollen glands, weight loss, fatigue, night sweats, and infections that don't get better. However, many people with CLL have no symptoms at first, and the symptoms that do occur can often be caused by other illnesses.
Joint pain is not a common symptom of CLL, but it can occur if CLL cells enter the bone marrow, causing discomfort in the joints and bones. CLL treatments can also cause joint pain as a side effect, and people with CLL may develop other conditions, such as arthritis, that contribute to joint pain.











































