Does amyotrophic lateral sclerosis cause numbness in the hands?

Written by Zhang Hui
Neurology
Updated on September 01, 2024
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Amyotrophic lateral sclerosis (ALS) refers to a motor neuron disease. Patients with this disease generally do not experience numbness in the hands, mainly because it primarily affects the motor system and does not impact the sensory system. Thus, the vast majority of patients will not have sensory disturbances or experience clinical manifestations of numbness in the hands. The specific causes and mechanisms of this disease are still not very clear, but they may be related to genetic factors, the toxic effects of excitatory amino acids, oxidative stress, and mitochondrial dysfunction. Symptoms in patients gradually worsen, and respiratory function impairment may also occur. However, so far, there is no effective cure.

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Written by Liu Hong Mei
Neurology
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Do people with ALS experience frequent muscle twitching?

Muscle twitching in people with ALS (Amyotrophic Lateral Sclerosis) can be very frequent. When muscles in ALS patients experience spasms, irritation, weakness, or fatigue, twitching is likely to occur. Muscle twitching in ALS patients is generally very frequent and is related to the disease. ALS, often referred to as motor neuron disease, is caused by degenerative changes in the central nervous system, such as the spinal cord and brain, leading to damage in the neuromuscular system, resulting in muscle atrophy, twitching, and tremors. It is advisable to seek medical evaluation and, once diagnosed, pursue active treatment which may include nutritional support, massage acupuncture, and functional exercise.

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Written by Liu Hong Mei
Neurology
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Do people with early ALS have leg pain?

Early-stage ALS (Amyotrophic Lateral Sclerosis) patients often experience leg pain symptoms. ALS is generally caused by factors such as inflammatory reactions, genetic factors, neuronal apoptosis, infection, autoimmunity, and metal poisoning. These factors may lead to the degenerative death of nerve cells, causing muscle atrophy, muscle weakness, fasciculations, increased muscle tone, hyperactive tendon reflexes, and symptoms of muscle fatigue, muscle tension, and muscle pain. In the early stages of ALS, muscle fatigue can occur after activity due to lactic acid not being properly expelled, leading to muscle pain. Treatments such as acupuncture, physiotherapy, and massage can be administered to alleviate these symptoms.

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Written by Liu Hong Mei
Neurology
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Is it normal for someone with ALS to have severe swelling in their feet?

ALS patients with severe foot swelling is not normal. If an ALS patient experiences severe swelling of the feet, it is important to be cautious of the formation of blood clots in the lower limb vessels. The formation of venous blood clots can lead to poor blood circulation, easily causing blood stasis and thrombotic obstruction, leading to severe swelling of the feet. It is necessary to conduct a Doppler ultrasound of the lower limb vessels to assess their condition. Treatments may include anti-platelet aggregation, anticoagulation, promoting blood circulation to remove blood stasis, and providing nutritional support to nerves. Heat application, keeping warm, promoting lower limb blood circulation, acupuncture, physical therapy, massage, and heat application can be used as symptomatic treatments. For ALS patients with severe foot swelling, it is advisable to elevate the lower limbs during sleep, perhaps covering them with a blanket or elevating them about 45 degrees.

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Written by Liu Shi Xiang
Neurology
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Does amyotrophic lateral sclerosis cause leg soreness?

Patients with amyotrophic lateral sclerosis (ALS) may experience leg pain, but leg pain is not the primary clinical manifestation of ALS. The early main symptoms of ALS include muscle atrophy and limb weakness. As the disease progresses, patients will further experience general muscle atrophy and weakness, which may manifest as difficulty in swallowing, speech problems, and respiratory difficulties. As the disease progresses, if the patient experiences extreme muscle atrophy and limb weakness, they may experience leg pain during movement, but this symptom is not specific. Therefore, when symptoms such as muscle atrophy and limb weakness occur, the possibility of ALS should be considered, and patients need to undergo timely examinations such as electromyography and muscle biopsy to confirm the diagnosis. If the patient also suffers from leg pain, other conditions such as sciatica and osteoporosis should be considered, and further examinations like bone density tests and lumbar disc magnetic resonance imaging should be conducted to clarify the diagnosis.

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Written by Liu Hong Mei
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What should people with ALS do if they cannot eat?

People with amyotrophic lateral sclerosis who are unable to eat may try liquid and semi-liquid diets, using warm liquids, eating little by little. If they cannot consume a liquid diet, they may need to resort to nasogastric feeding. A gastric tube is used for feeding, through which high-nutrition, high-protein, and high-calorie diets can be provided to sustain and extend the life of those with the condition. Avoid overeating and engage in appropriate exercise, paying attention to the functions of the respiratory and digestive systems. If there is excessive saliva, a small amount of antihistamine medication can be administered. If there is an excess of phlegm, nebulized inhalation and expectorant medications might be provided. If feeding through a gastric tube is also limited, intravenous nutritional support can be given.