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Stelara (Ustekinumab): Side Effects, Dosage, Cost And More

Severe Side Effects

Severe side effects are rarely observed. You must call your doctor immediately if you notice any severe side effects. Some products may need clinical urgency. These effects can cause other medical conditions if they are not treated immediately. They include:

  • Pneumonia
  • Appendicitis
  • Cholecystitis (gallbladder inflammation)
  • Osteomyelitis ( bone infection)
  • Gastroenteritis [2]
  • diverticulitis (inflammation in the sacs of your large intestine
  • Cellulitis (a skin infection)
  • Reoccurring of tuberculosis (TB) [3] in people who’ve had TB in the past
  • Confusion
  • Seizures [4]
  • Vision changes
  • Persistent dry cough
  • Loss of breath
  • Breathing problems