1. Severe allergic reaction to a previous dose of the same vaccine.
Symptoms of a severe allergic reaction can include hives, swelling of the face and throat, wheezing, difficulty breathing, dizziness, paleness, or weakness.
2. History of severe reaction to an ingredient in the vaccine.
Certain vaccine ingredients, such as gelatin or antibiotics, may cause severe reactions in some individuals.
3. Immune system deficiencies due to medical conditions, such as HIV/AIDS or cancer treatment.
Individuals with weakened immune systems are at a higher risk of side effects from vaccines and may need to avoid certain ones.
4. Acute febrile illness (fever).
A person should not receive a vaccine while they have an active fever, as this can increase the risk of side effects.
5. Pregnant women receiving certain live vaccines.
Live vaccines, such as the MMR and Varicella vaccines, should not be given to pregnant women.
6. Medication use that may interact with the vaccine.
Some medications, such as corticosteroids or anti-seizure medications, can interfere with the effectiveness of certain vaccines.
7. Age limitations for certain childhood vaccines.
Some childhood vaccines are not recommended for individuals of certain ages, so these should be checked prior to administration.
8. Chronic health conditions, such as asthma and diabetes, may affect the response to some vaccines.
Individuals with chronic health conditions may need to be monitored more closely after receiving certain vaccines. They may also need to avoid some types of vaccines altogether.