Do not use ointments, oils, or herbs on the site. Do not put a sticking plaster over the site. Do not rub or massage the site. For any questions or concerns you have after hours please call Healthline on Skip to main content. Also available in:. Publication date:. Revision date:. Like any vaccine, the BCG vaccine vaccine may not provide protection from disease in every person.
You should not receive BCG vaccine if you are allergic to it, or if you have a weak immune system caused by:. It is not known whether BCG vaccine will harm an unborn baby. However, this vaccine is not recommended for pregnant women. Before you receive BCG vaccine, your doctor will perform a skin test to make sure you do not have tuberculosis. BCG vaccine is not given with a needle and syringe, as most other vaccines are. Instead, the BCG vaccine is a liquid placed directly onto the skin of your upper arm.
Then a multi-pronged needle device is used to prick the skin through the liquid to deliver the vaccine into the shallow layers of skin. These needle sticks are not deep, but they will cause some soreness and minor bleeding.
You may have flu-like symptoms for up to 2 days after you receive BCG vaccine. Call your doctor at once if you have a fever of degrees F or higher. Within 10 to 14 days after receiving this vaccine, you should see small red bumps on your skin where the vaccine and needle device were placed.
This red area will gradually grow larger after 4 to 6 weeks, and then scale and fade. After 6 months you will most likely have little to no scar. BCG vaccine contains a live form of tuberculosis bacteria, which can "shed" from your injection site. This means that for a short time after you receive the vaccine, your vaccination sore will be contagious and could spread the bacteria to anything or anyone who touches it.
Keep your vaccination sore loosely covered with clothing or a light gauze dressing for at least 24 hours. Tell your doctor if you have any unexpected skin changes or severe irritation, lesions, or oozing where the needle sticks were placed. These reactions could occur up to 5 months after you received BCG vaccine.
This vaccine is usually given as a single dose. You may need a repeat vaccine if your TB skin test is still negative 2 to 3 months after you received your first BCG vaccine.
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat. Some side effects may occur up to 5 months after you receive BCG vaccine. The onus is on you, the user, to ensure that you have downloaded the most up-to-date version of a consumer health information handout. The Royal Children's Hospital Melbourne. BCG vaccine for TB.
What does the BCG vaccine do? How is it given? The BCG vaccine is given by an injection just under the skin, usually on the upper left arm.
Who should get the BCG vaccine? This includes those who: have had TB before have a positive Mantoux skin test have HIV infection have a condition or take medicines that weaken their immune system. What to expect after the BCG vaccination Reactions to vaccines also called vaccine side effects sometimes occur. Care of the injection site Keep the area clean and dry.
It is OK to bathe your child as usual. Carefully pat the area dry after washing. A wound dressing with gauze may be used if the area starts to ooze. Use a sterile alcohol swab to clean the area if required. Do not apply ointment, antiseptic creams, or sticking plasters e.
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