R53.0

Clinical Causes: Cancer itself triggers the body's immune response, releasing chemicals that can cause fatigue. Chemotherapy, radiotherapy, and targeted therapies often have fatigue as a side effect. Anemia, which can result from cancer or its treatments, reduces the number of red blood cells carrying oxygen, leading to tiredness. Nutritional deficiencies due to appetite loss or treatment side effects may contribute to fatigue. Sleep disturbances related to discomfort, anxiety, or treatment side effects can worsen tiredness. Psychological factors such as depression, anxiety, and stress often accompany cancer, exacerbating feelings of fatigue. Metabolic changes and increased energy demands from the tumor can drain the body's resources. Infections or other complications related to immune suppression can also lead to increased exhaustion.

Key Symptoms: Persistent tiredness that doesn't improve with rest Weakness and reduced physical endurance Difficulty concentrating or experiencing 'brain fog' Feeling emotionally drained or emotionally numb Sleep disturbances, such as insomnia or disrupted sleep Loss of appetite or weight loss Muscle weakness or soreness Easily fatigued during daily activities Feeling of heaviness or lack of motivation

Diagnosis Path: Diagnosing neoplastic related fatigue involves a comprehensive assessment of the patient's medical history, treatment course, and current symptoms. Healthcare providers often perform physical examinations and review laboratory results to identify potential contributors such as anemia, infections, or metabolic imbalances. Because fatigue overlaps with many conditions, ruling out other causes—like depression, hypothyroidism, or metabolic disorders—is essential. Healthcare teams may utilize questionnaires or scales specifically designed to assess fatigue severity and impact on quality of life.

Treatment Protocols: Addressing reversible causes, such as correcting anemia or managing pain Adjusting cancer therapies if feasible to reduce side effects Encouraging gentle physical activity and exercise programs, tailored to the patient's capacity Implementing nutritional support to improve energy levels Providing psychosocial support to address emotional and psychological factors Employing energy conservation techniques to help manage daily tasks effectively Using medications or supplements under medical supervision if appropriate Ensuring adequate sleep hygiene and managing sleep disturbances