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Physiological AdaptationDemyelination → relapse/remit

Multiple SclerosisNCLEX cheat sheet

Multiple sclerosis is a chronic autoimmune disease in which the body destroys the myelin sheath surrounding nerves in the brain and spinal cord, slowing or blocking nerve impulses.

19 key facts 3 practice questions Reviewed Oct 2026
The 1-minute sheetCinnaRN

Mechanism

  • Autoimmune myelin destruction
  • CNS plaques, women 20-40

Signs

  • Fatigue, diplopia, blurred vision
  • Weakness, numbness, ataxia
  • Intention tremor, bladder issues

Teach

  • Avoid heat → worsens symptoms
  • Avoid stress, infection, fatigue
  • Balance rest + activity

Meds

  • Interferon-beta, immunomodulators
  • Corticosteroids for acute flare
  • Baclofen for spasticity
Key takeaway

Symptoms are scattered and variable: fatigue, muscle weakness, numbness, tingling, and spasticity.

Before you read

Test yourself first: 3 questions

Question 1 of 3

A client with multiple sclerosis (MS) has an exacerbation. A priority nursing focus is to:

What is multiple sclerosis?

It typically follows a relapsing-remitting course with periods of exacerbation and remission, most often beginning in young adults aged 20 to 40 and more common in women. Heat, stress, fatigue, and infection can trigger exacerbations.

Multiple Sclerosis illustrated

Multiple sclerosis: damaged myelin sheaths on nerve fibers
Multiple sclerosis: damaged myelin sheaths on nerve fibers. Illustration: BruceBlaus via Wikimedia Commons, CC BY-SA 4.0.

Key points to remember

  • Symptoms are scattered and variable: fatigue, muscle weakness, numbness, tingling, and spasticity.
  • Visual disturbances such as blurred or double vision (diplopia) and nystagmus are common early signs.
  • Patients may have intention tremor, ataxia, slurred or scanning speech, and bowel/bladder dysfunction.
  • Heat (hot baths, fever, hot weather) and emotional stress worsen symptoms.
  • The course is unpredictable, alternating between exacerbations (relapses) and remissions.

Signs & symptoms

  • Fatigue, diplopia, blurred vision
  • Weakness, numbness, ataxia
  • Intention tremor, bladder issues

Nursing priorities

  1. Balance activity with rest and pace activities to manage the profound fatigue that limits these patients.
  2. Keep the patient cool and avoid overheating, since heat worsens symptoms.
  3. Promote safety and prevent falls through assistive devices and an obstacle-free environment.
  4. Administer corticosteroids during exacerbations and disease-modifying immunomodulators as prescribed.
  5. Assess swallowing and implement aspiration precautions; establish a bowel and bladder management routine.

Patient teaching

  • Avoid known triggers: overheating, extreme fatigue, stress, and infections.
  • Establish a balanced routine of rest and exercise, and use energy-conservation techniques.
  • Take prescribed medications consistently, report signs of infection early, and stay active to maintain function.

Red flags: report now

  • Choking, coughing, or difficulty swallowing indicates aspiration risk, hold oral intake and reassess.
  • Signs of urinary tract or respiratory infection can trigger an exacerbation and must be reported promptly.
  • Sudden marked increase in weakness or visual loss may signal an acute exacerbation needing treatment.

References

Clinical references for this topic

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