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Bcg vaccine Side Effects

Applies to bcg vaccine: percutaneous powder for injection


You should not receive this vaccine if you have a weak immune system caused by disease such as HIV or cancer, or by using steroids or receiving chemotherapy or radiation.

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • drainage, ulcers, or other unexpected skin changes where the injection was given;

  • severe skin swelling that lasts longer than 2 or 3 days;

  • a high fever (103 degrees F or higher);

  • loss of appetite, weight loss;

  • extreme tiredness; or

  • bone pain in your legs.

Some side effects may occur up to 5 months after you receive BCG vaccine. These side effects may also last for several weeks.

Common side effects may include:

  • mild fever or flu-like symptoms;

  • muscle aches;

  • swollen glands in your neck or underarms; or

  • tenderness or small bumps on your skin where the medicine was injected.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

Frequently asked questions

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.