
Multiple sclerosis (MS) is a chronic inflammatory disease that affects the central nervous system and nerves in the brain and spinal cord, hindering the flow of messages between the brain and body. The symptoms of MS vary from person to person and can include pain, vision problems, mobility issues, and muscle weakness. This muscle weakness can affect the throat and chest muscles, leading to difficulties in swallowing, coughing, and clearing mucus. This is known as dysphagia, which affects one-third of people with MS, and can cause choking, pain, inadequate nutrition, and other health issues.
| Characteristics | Values |
|---|---|
| Muscle weakness | MS causes muscle weakness and numbness that affect the ability to move around and complete daily tasks. |
| Swallowing issues | Dysphagia, or difficulty in swallowing, is a common issue in people with MS due to problems with muscle and nerve control. |
| Coughing | MS-related coughing and phlegm issues can be caused by respiratory infections, nervous system lesions, or muscle weakness that affects the throat and chest muscles. |
| Breathing problems | MS-related damage to the nerves that control the chest muscles can cause breathing problems. |
| Speech disorders | Dysphonia or loss of speech volume can occur due to a weak diaphragm. |
| Oral health issues | MS can cause muscle spasms, leading to teeth clenching and jaw issues. It can also affect saliva production, causing dry mouth. |
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What You'll Learn
- MS can cause muscle weakness in the throat, chest and airways, making it difficult to clear mucus and leading to coughing and respiratory issues
- MS can cause nerve damage and loss of sensation in the mouth and throat, resulting in unintentional biting and tongue sores
- MS can lead to dysphagia, or difficulty swallowing, which can cause choking, pain, inadequate nutrition and other health issues
- MS-related muscle weakness can affect the ability to hold a toothbrush or floss, impacting oral hygiene and potentially leading to infections
- MS can cause speech disorders, including dysphonia or loss of speech volume, due to weak diaphragm or tongue muscles

MS can cause muscle weakness in the throat, chest and airways, making it difficult to clear mucus and leading to coughing and respiratory issues
Multiple sclerosis (MS) is a neurological disorder that affects the nerves in the brain and spinal cord, impacting movement and sensation. While symptoms vary, MS can cause muscle weakness in various parts of the body, including the throat, chest, and airways.
Dysphagia, or difficulty swallowing, is a common issue for people with MS, affecting up to one-third of patients. This occurs due to problems with muscle and nerve control in the mouth, throat, tongue, pharynx, or oesophagus. MS-related muscle weakness in these areas can make it challenging to move food around in the mouth for chewing and swallowing.
The impact of MS on the throat and chest muscles can also lead to coughing and respiratory issues. Lesions caused by MS can occur in areas of the brain that control respiratory muscles and functions, including the chest and airways. These lesions can affect nerve function, creating a sensation of excess mucus or phlegm in the throat, and making it harder to clear mucus effectively.
The resulting respiratory issues can be serious and should be addressed promptly. People with MS who experience severe or persistent coughing, shortness of breath, or trouble breathing are advised to contact their healthcare provider to identify and treat potential infections or underlying causes.
While there is no cure for MS, managing symptoms is crucial to improving quality of life. Doctors can treat secondary symptoms and aim to prevent them by addressing primary symptoms. Speech-language pathologists can help with swallowing difficulties, teaching strategies, exercises, and dietary changes to improve swallowing function and safety. Additionally, breathing exercises and specific forms of physiotherapy focused on strengthening chest muscles may be recommended to address breathing difficulties.
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MS can cause nerve damage and loss of sensation in the mouth and throat, resulting in unintentional biting and tongue sores
Multiple sclerosis (MS) is a chronic inflammatory disease of the central nervous system that affects nerves in the brain and spinal cord, hindering the flow of messages between the brain and body. MS symptoms vary greatly from person to person and can get better or worse over time. Common symptoms include fatigue, walking difficulties, numbness or tingling, weakness, vision problems, dizziness, bladder and bowel problems, sexual problems, pain, cognitive and emotional changes, and depression.
In addition to dysphagia, MS can cause other oral health problems such as temporomandibular joint (TMJ) pain, which can lock up the jaw joint, making it difficult to open the mouth to eat or speak. MS-related coughing and phlegm issues can be caused by respiratory infections, nervous system lesions, or muscle weakness that affects the throat and chest muscles, making it harder to clear mucus effectively. Brain lesions can also form in parts that control nerves in the mouth and throat, creating a sensation of excess phlegm or mucus in these areas.
If you experience severe or persistent coughing, shortness of breath, or trouble breathing, it is important to contact a healthcare provider to identify and treat potential infections or underlying causes. Speech-language pathologists can also teach strategies and exercises to improve swallowing and make dietary recommendations to ensure safer eating.
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MS can lead to dysphagia, or difficulty swallowing, which can cause choking, pain, inadequate nutrition and other health issues
Multiple sclerosis (MS) is a neurological disorder that can cause muscle weakness and numbness, affecting an individual's ability to move around and perform daily tasks. MS affects the nerves in the brain and spinal cord that control movement and sensation. While the symptoms of MS vary from person to person, it commonly causes fatigue, weakness, vision problems, dizziness, bladder and bowel issues, sexual problems, pain, cognitive and emotional changes, and depression.
MS can lead to dysphagia, or difficulty swallowing, which is estimated to affect around one-third of people with the disease. This occurs due to problems with muscle and nerve control, specifically the muscles and nerves involved in swallowing, including the mouth, tongue, throat, pharynx, and oesophagus. The loss of control in these muscles can lead to choking, pain, inadequate nutrition, and other health issues. For example, dysphagia can cause coughing and phlegm issues due to respiratory infections or nervous system lesions, making it challenging to clear mucus effectively. Brain lesions can also contribute to the sensation of excess phlegm or mucus in the throat.
Dysphagia can be a serious problem and should not be ignored. Speech and language pathologists can provide strategies and exercises to improve swallowing and chewing abilities. They may suggest thickening liquids or adopting specific head positions during swallowing. Additionally, people with MS-related swallowing issues may benefit from working with speech-language therapists to strengthen the muscles involved in swallowing.
While dysphagia is more commonly observed in the later stages of MS, it can occur at any time. It is important to note that this symptom can improve over time but may also worsen during flare-ups. Therefore, seeking a timely diagnosis and treatment is crucial to managing this aspect of the disease effectively.
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MS-related muscle weakness can affect the ability to hold a toothbrush or floss, impacting oral hygiene and potentially leading to infections
Multiple sclerosis (MS) is a neurological disorder that affects the nerves in the brain and spinal cord, impacting movement and sensation. MS symptoms vary widely, ranging from pain and vision problems to mobility issues, fatigue, and muscle weakness. Notably, MS-related muscle weakness can significantly affect oral hygiene routines and overall oral health.
MS-related muscle weakness can make it challenging for individuals to hold a toothbrush with a steady grip or manipulate floss effectively. This can lead to difficulties in maintaining proper oral hygiene practices, which are essential for preventing dental issues such as tooth decay and gum disease. The reduced ability to brush and floss teeth thoroughly may result in the inadequate removal of dental plaque, promoting the growth of bacteria that contribute to oral infections and inflammation.
The impact of MS-related muscle weakness on oral hygiene is further compounded by other MS symptoms that affect the mouth and throat. Dysphagia, or difficulty in swallowing, is a common issue in people with MS due to problems with muscle and nerve control in the oral and pharyngeal regions. This can lead to choking, inadequate nutrition, and an increased risk of aspiration pneumonia. Additionally, some individuals with MS experience dry mouth (xerostomia), which can be caused by the disease itself or as a side effect of certain medications used to treat MS symptoms. Dry mouth reduces the protective effects of saliva, increasing the risk of dental caries and oral infections.
Furthermore, MS can cause muscle spasms and tightness in the jaw and mouth, leading to conditions such as bruxism (teeth grinding) and temporomandibular joint (TMJ) pain. The clenching associated with bruxism can further exacerbate jaw issues, making it painful and challenging to open the mouth for oral hygiene practices, eating, or speaking. Additionally, MS-related muscle weakness in the throat and chest muscles can contribute to coughing and phlegm issues, making it harder to clear mucus effectively and potentially leading to respiratory infections.
The combination of MS-related muscle weakness, dysphagia, dry mouth, and other oral symptoms can significantly impact an individual's ability to maintain good oral hygiene and overall oral health. It is crucial for individuals living with MS to seek appropriate dental care and work closely with their healthcare team to manage these symptoms effectively, reducing the potential for oral infections and improving their quality of life.
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MS can cause speech disorders, including dysphonia or loss of speech volume, due to weak diaphragm or tongue muscles
Multiple sclerosis (MS) is a neurological disorder that affects the nerves in the brain and spinal cord, impacting movement and sensation. The symptoms of MS vary widely, ranging from pain, vision problems, and mobility issues to dizziness, depression, and cognitive changes. While the symptoms can differ between individuals, MS can cause muscle weakness throughout the body, including in the throat, chest, and tongue.
MS can affect the muscles involved in speech, leading to speech disorders. Dysphonia, or loss of speech volume, is one such symptom that has been observed in people with MS. This can be caused by a weak diaphragm or tongue muscles, making it difficult to project the voice. In addition to dysphonia, MS can cause dysphagia, or difficulty in swallowing, which is also related to muscle control.
Dysphagia is a common issue in people with advanced MS, affecting up to one-third of individuals with the disease. It can occur when there is a loss of control in the muscles of the mouth, tongue, throat, pharynx, or esophagus. This can lead to choking, pain, and inadequate nutrition. Dysphagia is often associated with the later stages of MS, but it can occur at any time and may worsen during flare-ups.
The muscle weakness caused by MS can also impact the throat and chest muscles, making it challenging to clear mucus and leading to coughing and phlegm issues. Lesions caused by MS can occur in brain areas that coordinate respiratory muscle function, further contributing to respiratory problems. Additionally, MS can cause numbness in the mouth and throat, as well as dry mouth, which can also affect speech and swallowing.
The impact of MS on speech and swallowing functions can be addressed through interventions such as speech therapy, exercises to strengthen relevant muscles, and techniques to improve swallowing, such as thickening liquids or adjusting head positions. While MS can cause speech disorders and swallowing difficulties, these symptoms can be managed and improved with proper care and treatment.
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Frequently asked questions
Yes, MS can cause muscle weakness in the throat, as well as the chest wall and other areas. This can make it harder to clear mucus and may lead to coughing and phlegm issues.
Symptoms include a tight feeling in the throat, the sensation of something being stuck in the throat, coughing, and difficulty swallowing (dysphagia).
Dysphagia is a common issue, affecting around one-third of people with MS. It is more likely to occur in the later stages of the disease but can happen at any time.
Yes, dysphagia can be treated. Speech-language pathologists can teach exercises to strengthen the muscles involved in swallowing and techniques to make swallowing easier.






























