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Peripheral neuropathy is a condition that involves damage to the peripheral nervous system, which is a network of nerves that sends signals between the central nervous system (the brain and spinal cord) and the rest of the body. This damage can lead to muscle weakness by affecting the nerves that control muscles and movement. Motor neuropathy, for example, damages the nerves responsible for muscle function and movement, such as moving hands and arms or speaking. This can result in muscle weakness, atrophy, and difficulty with tasks such as walking or maintaining balance. Sensory neuropathy, on the other hand, affects sensory nerves that control sensations like pain, temperature, or touch. This can lead to a loss of sensation, causing individuals to be unaware of injuries or pain. Additionally, high blood sugar levels associated with diabetes, a common cause of peripheral neuropathy, can directly damage nerves and lead to muscle weakness. Treatment options for muscle weakness caused by neuropathy include physiotherapy, walking aids, orthotics, and in some cases, surgery.
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What You'll Learn
- Motor neuropathy: damage to nerves controlling muscles and movement
- Sensory neuropathy: damage to nerves controlling pain, temperature, touch
- Autonomic nerve neuropathy: damage to nerves controlling unconscious functions like breathing
- Combination neuropathies: a mix of two or more types of neuropathy
- Treatments: medication, physiotherapy, surgery, lifestyle changes
Motor neuropathy: damage to nerves controlling muscles and movement
Peripheral neuropathy is a type of damage to the peripheral nervous system, which is a network of nerves that transmits information from the central nervous system (CNS)—the brain and spinal cord—to the rest of the body. Peripheral neuropathy can affect nerves anywhere in the body, disrupting automatic processes, the sense of touch, and muscle control.
Motor neuropathy is a type of peripheral neuropathy that specifically damages the nerves controlling muscles and movement. Motor nerves control the movement of all muscles under conscious control, such as those used for walking, grasping objects, or talking. When these nerves are damaged, it can result in muscle weakness and paralysis. The affected muscles weaken due to the loss of nerve connection, and this can lead to atrophy, causing muscles to shrink in size, especially in the feet, lower legs, and hands. This muscle loss can result in deformities in the feet and hands.
The symptoms of motor neuropathy can vary depending on the specific nerves involved and the extent of the damage. In addition to muscle weakness and paralysis, other symptoms may include pain, altered sensation, double vision, and loss of balance. The impact of motor neuropathy increases with the number of nerves affected. While peripheral neuropathy is often associated with diabetes, there are many other causes, including genetic conditions, certain medications, autoimmune disorders, and exposure to toxins.
While peripheral neuropathy usually cannot be cured, various treatments can help manage the condition and prevent it from worsening. These include medications, lifestyle changes, physiotherapy, occupational therapy, orthotics, and in some cases, surgery.
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Sensory neuropathy: damage to nerves controlling pain, temperature, touch
Peripheral neuropathy is a condition where the nerves that carry messages between the brain and the spinal cord get damaged. This damage interrupts communication between the brain and other parts of the body, resulting in muscle weakness, tingling, and pain.
One type of peripheral neuropathy is sensory neuropathy, which affects the sensory nerves that control what we feel, such as pain, temperature, or a light touch. When these nerves are damaged, it can lead to a loss of sensation or altered sensation in the affected areas, typically the hands, lower legs, and feet. This can cause a variety of symptoms, including numbness, tingling, or a burning sensation.
Sensory neuropathy can also lead to muscle weakness by disrupting the nerve connections that muscles need to function properly. This can result in a weakened grip, difficulty walking, and reduced stability. In some cases, it may even lead to paralysis. The specific symptoms and their severity will depend on which nerves have been affected and the extent of the damage.
The treatment options for sensory neuropathy include medication, physical therapy, wound and foot care, assistive devices, and surgery. Physiotherapy can be particularly beneficial for improving muscle weakness associated with sensory neuropathy. Additionally, healthy lifestyle choices, such as quitting smoking and practicing relaxation techniques, can help manage the condition and prevent further complications.
It is important to note that peripheral neuropathy, including sensory neuropathy, cannot usually be cured. However, with careful management and good medical care, the risk of complications can be minimised, and the progression of the condition can be slowed or prevented.
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Autonomic nerve neuropathy: damage to nerves controlling unconscious functions like breathing
Peripheral neuropathy is a condition where the nerves that carry messages between the brain and the spinal cord get damaged. This damage to the peripheral nervous system disrupts the body's control of automatic processes, including motor functions, such as walking, speaking, and swallowing.
Autonomic nerve neuropathy is a type of peripheral neuropathy that affects the autonomic nerves, which control involuntary functions that we are not conscious of, such as breathing, heartbeat, digestion, urination, sweating, sexual response, and blood pressure regulation. Damage to these nerves can be serious as it cuts off communication between the brain and important organs, including the heart, lungs, bladder, and intestines.
Diabetes is the most common cause of autonomic nerve neuropathy, but it can also be caused by autoimmune diseases, certain medications, and viral infections such as HIV and Lyme disease. Other possible causes of peripheral neuropathy include monoclonal gammopathy, cancers like lymphoma, chemotherapy treatments, genetic conditions, long-term medication use, conditions caused by an overactive immune system, and exposure to high levels of toxins.
The symptoms of autonomic nerve neuropathy can vary but may include irregular heart rate, difficulty breathing or swallowing, muscle weakness, numbness, tingling sensations, pain, and paralysis. If left untreated, peripheral neuropathy can lead to serious complications, including the loss of limbs. Treatment options for peripheral neuropathy include pain relievers, prescription medications, lidocaine injections, surgery, and lifestyle changes, such as quitting smoking and practicing relaxation techniques.
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Combination neuropathies: a mix of two or more types of neuropathy
Peripheral neuropathy is a type of damage to the nervous system, specifically the peripheral nervous system, which is the network of nerves that sends information from the brain and spinal cord (central nervous system) to the rest of the body. There are more than 100 types of peripheral neuropathy, each with its own set of symptoms and prognosis.
One of the most common causes of peripheral neuropathy in the US is diabetes, which causes nerve fibre damage in the legs and feet due to high blood sugar levels. Other causes include physical injury, kidney conditions, hormone imbalances, genetic conditions, certain medications, and exposure to high levels of toxins.
Combination neuropathies are one type of peripheral neuropathy, characterised by a mix of two or more types of neuropathy. These include:
- Sensory-motor neuropathy: This involves a combination of motor and sensory neuropathy. Motor neuropathy is damage to the nerves that control muscles and movement in the body, such as moving hands and arms or talking. Sensory neuropathy, on the other hand, affects the nerves that control sensations such as pain, temperature, or light touch.
- Autonomic neuropathy combined with sensory and/or motor neuropathy: Autonomic neuropathy affects the nerves that control unconscious functions such as breathing, heartbeat, digestion, and gland function. A combination of autonomic and sensory neuropathy can cause serious issues with breathing and heartbeat regulation, as well as a loss of sensation. Adding motor neuropathy to the mix further complicates the condition, affecting the patient's ability to move and control muscles.
The symptoms and prognosis of combination neuropathies depend on the specific types of neuropathy involved and the parts of the body affected. Treatment options vary and may include non-prescription braces, orthotics, relaxation techniques, physiotherapy, occupational therapy, medication, and in extreme cases, surgery.
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Treatments: medication, physiotherapy, surgery, lifestyle changes
Peripheral neuropathy is any condition that affects the nerves outside the brain and spinal cord. The peripheral nervous system carries motor signals, or commands, from the brain to the muscles, enabling movement. When neuropathy causes nerve deterioration, the connected muscles weaken, which can lead to paralysis. This paralysis may manifest as difficulty moving the toes, foot drop, hand weakness, or weakness in the thighs and arms.
Treatments
Medication
Pharmacological treatments for peripheral neuropathy have shown only modest effects and are often limited by adverse responses.
Physiotherapy
Recent reviews suggest that physiotherapy management is an effective treatment for peripheral neuropathic pain. Exercise may reduce symptoms in patients with neuropathy, but there is a lack of evidence for its preventative effect in patients who do not yet have neuropathy.
Surgery
Currently, there is no mention of surgical treatment options for peripheral neuropathy.
Lifestyle Changes
Lifestyle changes that may help with peripheral neuropathy include nutrition and habit changes.
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Frequently asked questions
Peripheral neuropathy is a general term for nerve damage that causes weakness, numbness, and pain, usually in the hands and feet. This can also affect other areas of the body, including muscles.
The symptoms of peripheral neuropathy vary depending on the type but can include pain, weakness, or altered sensation in the fingers, feet, or shins; double vision or other problems with focusing the eyes; and weakness on one side of the face.
Peripheral neuropathy has many different causes, including diabetes, kidney conditions, hormone imbalances, genetic conditions, certain medications, and exposure to high levels of toxins.
Treatment for peripheral neuropathy depends on the underlying cause and the nerves affected. In some cases, over-the-counter pain relievers or prescription medications can help manage pain. Physiotherapy and walking aids can also help with muscle weakness.
Complications of peripheral neuropathy include muscle weakness and atrophy, foot ulcers, and difficulties with standing or walking due to nerve damage and muscle weakness.
