2. Symptoms of Microscopic Polyangiitis

In addition to the general effects of vasculitis, microscopic polyangiitis has several unique symptoms that vary depending on the affected blood vessels. These include

  • Fever
  • Weakness
  • Tiredness
  • Joint and muscle aches
  • Ear pain or infections
  • Eye pain or sight impairment
  • Tingling and numbness resulting from nerve damage
  • Leg swelling and dark urine

Inflammation may also come and go, leading to fluctuating symptoms that seem to improve and then return. Though microscopic polyangiitis most commonly affects the kidneys, there may be no symptoms until the damage is severe. In some cases, people experience loss of kidney function without any signs.

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