Congenital Myasthenia Gravis Symptoms

Congenital myasthenic syndromes are rare hereditary genetic conditions resulting from a defect at the junction where your nerve stimulates muscle activity. The earlier the onset of cms the more severe the symptoms are likely to be. The muscle weakness typically begins in early childhood but can also appear in adolescence or adulthood.

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This is referred to as fatigable weakness.

Congenital myasthenia gravis symptoms. That defect causes muscle weakness. When to see a doctor. If a child has difficulty breathing feeding or swallowing they may be vulnerable to pneumonia or respiratory failure. Facial muscles including muscles that control the eyelids muscles that move the eyes and muscles used for chewing and swallowing are most commonly affected.

These symptoms often result in double vision and difficulty chewing and swallowing. Signs symptoms the cardinal symptom of all myasthenic disorders is muscle weakness that is induced or worsened by exertion. Neck and limb muscles. In other cases weakness is stable and does not worsen over time.

Your speech might sound soft or nasal depending on which muscles have been. Symptoms of congenital myasthenia gravis. Postsynaptic symptoms in infants include severe muscle weakness feeding and respiratory problems and delays in the ability to sit crawl and walk. The list of signs and symptoms mentioned in various sources for congenital myasthenia gravis includes the 14 symptoms listed below.

Congenital myasthenic syndromes may affect your nerve cells presynaptic your muscle cells postsynaptic or the space between your nerve and muscle. The most common symptoms of cms include. All subtypes involve muscle fatigue and weakness that usually begins at an early age. Congenital myasthenia gravis cmg is a form of weakness most likely presenting itself during infancy with fatigability difficulty sucking on pacifier inactivity and decreased tone of the muscles.

Face and throat muscles. Myasthenia gravis can also cause weakness in your neck arms and legs. Presynaptic symptoms include brief stops in breathing weakness of the eye mouth and throat muscles. Muscle weakness that is brought on by activity or exercise.

Congenital myasthenic syndrome is a group of conditions characterized by muscle weakness myasthenia that worsens with physical exertion. What are the symptoms of cms. Depending on the type symptoms of cms vary from mild to severe but generally include weakness fatigue and ptosis droopy eyelids. The symptoms of the congenital myasthenic syndromes cms vary by the age at which symptoms begin type of muscle weakness and severity.

Weakness in your legs can. The prognosis depends on the specific subtype of congenital myasthenia the muscles involved and the age at onset of symptoms.