Symptoms may range from mild to severe. Symptoms depend on what nerve tissue has been affected. You may experience symptoms that improve and then come back later (sometimes called exacerbations).

Central Nervous System

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Symptoms of MS include:

  • Numbness or tingling in the legs, arms, face, or extremities
  • Impaired vision in one or both eyes, including:
    • Blurred vision
    • Double vision
    • Loss of vision
    • Changes in color perception
    • Pain around the affected eye / pain with eye movement
  • Fatigue
  • Dizziness
  • Muscle stiffness and spasms
  • Muscle weakness
  • Poor coordination or falling
  • Trouble walking or maintaining balance
  • Paralysis in one or more limbs
  • Bladder problems including:
  • Bowel problems, including constipation or, less commonly, incontinence
  • Sexual dysfunction
  • Slurred speech
  • Difficulty swallowing
  • Forgetfulness, memory loss, or confusion
  • Trouble concentrating or solving problems
  • Depression
  • Other psychiatric disorders
  • Euphoria or inappropriate emotional responses

Factors that may trigger or worsen symptoms include:

  • Internal or external heat, including:
    • Hot weather
    • Hot baths or showers
    • Fever
  • Overexertion
  • Infection