ALS complications in adults
Amyotrophic lateral sclerosis (ALS), commonly known as Lou Gehrig’s disease, is a progressive neurodegenerative disorder that affects nerve cells in the brain and spinal cord. While the primary hallmark of ALS is the deterioration of motor neurons, the disease’s impact extends beyond muscle weakness, leading to a range of complications that can significantly diminish quality of life and pose life-threatening risks for adults living with the condition.
As ALS advances, muscle weakness and atrophy often lead to difficulties with mobility, speech, swallowing, and breathing. These impairments make individuals vulnerable to numerous secondary complications. One of the most common and serious issues is respiratory failure. The weakening of the diaphragm and other muscles involved in breathing can cause hypoventilation, leading to inadequate oxygen intake and carbon dioxide buildup. To mitigate this, many patients require non-invasive ventilation or, in later stages, mechanical ventilation through tracheostomy. Managing respiratory function is critical, as respiratory failure is the leading cause of death in ALS patients.
Swallowing difficulties, or dysphagia, present another significant challenge. As the muscles involved in swallowing weaken, individuals risk choking, malnutrition, and dehydration. Aspiration pneumonia, which occurs when food or liquids enter the lungs, is a common and potentially fatal complication. Proper nutritional support, including the use of feeding tubes such as a gastrostomy, becomes essential to ensure adequate nutrition and reduce the risk of aspiration.
Communication barriers are also prevalent. As ALS progresses, speech becomes increasingly difficult due to weakening of the vocal cords and associated muscles. Many adults with ALS turn to augmentative and alternative communication (AAC) devices, such as speech-generating devices or eye-tracking technology, to maintain their ability to communicate with loved ones and healthcare providers.
Musculoskeletal complications, including joint contractures and osteoporosis, can develop as a result of immobility. Reduced mobility often leads to pressure sores, muscle stiffness, and decreased bone density, which increases fracture risk. Regular physical therapy, mobility aids, and skin care are vital components of managing these issues.
Furthermore, ALS can have profound psychological and emotional effects. The progressive nature of the disease and the loss of independence can cause depression, anxiety, and emotional distress. Support from mental health professionals, counseling, and support groups are crucial for coping with these challenges.
Infections, particularly pneumonia, urinary tract infections, and skin infections, also pose risks for adults with ALS. Immunosuppression due to reduced mobility and the use of invasive devices increases susceptibility. Preventive measures, including good hygiene, vaccinations, and prompt treatment of infections, are essential.
While there is currently no cure for ALS, managing its complications requires a multidisciplinary approach. Neurologists, pulmonologists, speech therapists, nutritionists, physical therapists, and mental health professionals work together to improve quality of life, prolong survival, and address the complex needs of adults living with ALS.









