April 2007
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Haemophilus Influenzae type b Vaccine (Hib)
When should my child not get Haemophilus Influenzae type b (Hib) vaccine? Your child should not get Hib vaccine if he has ever had a life-threatening allergic reaction to:

  • A previous dose of Hib vaccine

  • Latex (dry, natural rubber)

When should my child wait to get Hib vaccine? If your child is moderately or severely ill at the time the shot is scheduled, he should usually wait until he is well before getting Hib vaccine. Check with your child's doctor to see whether he should wait.

Tell your child's doctor if the child has any of the following conditions. The doctor may recommend that your child wait or not receive Hib vaccine. Ask your doctor for more information if your child:

  • Has HIV/AIDS or another disease that affects the immune system

  • Is being treated with medications that affect the immune system, such as steroids, for two weeks or longer

  • Has any type of cancer

  • Is receiving cancer treatment with X-rays or medications

  • Has or has ever had a low platelet count (a blood disorder which may cause unusual bruising or bleeding)

  • Is receiving an anticoagulant (blood thinner) medication such as warfarin (Coumadin)

  • Has recently received an immune globulin

  • Has had a reaction to any vaccine

What are the side effects from Hib vaccine and what should I do if they occur? A vaccine, like any medication, may cause serious problems, such as severe allergic reactions. The risk of Hib vaccine causing serious harm, or death, is extremely small. Most people who get Hib vaccine do not have any problems with it. Hib vaccine can cause other side effects. Call your child's doctor if he has any unusual problems after receiving this vaccine.



Side Effects (Mild) What should I do?
Fever Give acetaminophen (Tylenol, others) or ibuprofen (Advil, Motrin, others) as directed by your child’s doctor
Redness, warmth, pain, firmness, skin discoloration, or swelling where the shot was given Apply a clean, cool, wet washcloth over the sore area. Give acetaminophen (Tylenol, others) or ibuprofen (Advil, Motrin, others) for pain, as directed by your child’s doctor. Call the doctor if these symptoms do not improve
Irritability Call your child’s doctor if this symptom gets worse or does not go away
Sleepiness Call your child’s doctor if this symptom gets worse or does not go away
Decreased appetite or diarrhea Call your child’s doctor if this symptom gets worse or does not go away
Side Effects (Moderate or Severe) What should I do?
Unusual changes in behavior Call your child’s doctor
Serious allergic reaction (difficulty breathing; hoarseness or wheezing; hives; rash; itching; swelling of the face, throat, tongue, lips, eyes, hands, or feet; paleness; weakness; fast heartbeat; or dizziness within a few minutes to a few hours after the shot) Get emergency medical care for your child right away
High fever Call your child’s doctor right away