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Dr. Elizabeth Squirell · Gastroenterologist · Kingston Health Sciences Centre

Starting a biologic or advanced pill

What happens before and after you start a biologic or advanced pill for IBD. Screening tests, vaccines, how each is given, infections, travel, pregnancy and paying for it.

Key points

  • Before you start, you will need blood tests for hepatitis B and C and a TB test. Some pills also need a heart tracing (ECG) or cholesterol test.
  • Get any live vaccines (like MMR or chickenpox) at least 4 weeks before you start. You can't have them while on treatment.
  • Get other vaccines, like Shingrix and the flu shot, before you start if you can. They are still safe once you are on treatment.
  • Call your IBD team if you have a fever or an infection, or are given antibiotics, before your next dose.
  • Don't stop or skip doses without talking to your team, even for surgery or travel.
  • See a travel clinic early. Some travel vaccines, like yellow fever, are live and not allowed.
  • Planning a pregnancy? Tell your team before you try, so your plan is safe for you and the baby.
  • Ask about the drug maker's patient support program. Its staff can help with insurance forms, teaching and booking.

Go to emergency or call 911 if you have

  • A high fever with shaking chills, or you feel very unwell
  • Trouble breathing, or swelling of the face, lips or throat
  • Heavy bleeding from your bottom, or you feel faint or dizzy
  • Severe belly pain that does not settle
  • Vomiting, and you cannot keep fluids down

Try “pregnancy”, “Mayo”, “calprotectin” or “VARSITY”.