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Sylvant
Specialty Drug

Siltuximab

SILTUXIMAB is a monoclonal antibody. This medicine changes the way the body's immune system works. It is used commonly to treat multicentric Castleman's disease (MCD). Compare interleukin antagonists.
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Sylvant Side Effects

What should I watch for?

Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse.

You may need blood work done while you are taking this medicine. Your condition will be monitored carefully while you are receiving this medicine.

Call your doctor or health care professional for advice if you get a fever, chills or sore throat, or other symptoms of a cold or flu. Do not treat yourself. This drug decreases your body's ability to fight infections. Try to avoid being around people who are sick.

Birth control pills may not work properly while you are taking this medicine. Talk to your doctor about using an extra method of birth control.

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Side Effects to watch for

Side effects that you should report to your doctor or health care professional as soon as possible:

Side effects that usually do not require medical attention (Report these to your doctor or health care professional if they continue or are bothersome.):

  • constipation
  • headache
  • loss of appetite
  • signs of low blood pressure like dizziness; feeling faint or lightheaded, falls; unusually week or tired
  • swelling of the ankles, feet, hands
  • unusual bleeding or bruising

What may interact with this drug?

Do not take this medicine with any of the following medications:

  • live virus vaccines

This medicine may also interact with the following medications:

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