How to judge whether infant vaccines are infected?

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Most babies survive vaccination with just a few tears and a day of irritability. In very few cases, infection may occur at vaccination sites. As long as your skin is cracked, bacteria may enter. It may look like an infection or it may just be a local skin reaction. If you are worried about the emergence of vaccination sites, or if your child has symptoms after vaccination, consult your child's doctor.

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span= "article-image inner caption-class"> vaccination point may be infected, but rarely. (picture: katarzynabialasiewicz/istock/getty images)

fever

fever usually does not indicate infection at vaccination site. Many vaccines cause temporary fever lasting no more than 24 hours. According to the Centers for Disease Control and Prevention, some vaccines are more likely to cause fever than others. Diphtheria, pertussis and tetanus vaccines (also known as DTAP) cause fever in one in four children. The New York Times Health Guide reports that fever usually occurs within the first few hours of vaccination, but may occur within seven to 10 days of measles, mumps and rubella vaccination.

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Skin reaction

After injection, this part often appears redness and swelling, which usually does not indicate infection. The site may also feel hot and swollen. Some vaccines, such as dtap, can cause swollen arms or legs one to seven days after injection. According to the CDC, this usually happens after the fourth or fifth injection in the series, affecting about one in 30 children. If this happens, call your doctor; he may want to evaluate the site to ensure that it is not infected. Call your baby's doctor if skin reactions begin to spread, become more and more hot and swollen, or if red streaks spread upward from the site.

pus drainage

If there is pus or liquid discharged from the injection site, please call your child's doctor. Vaccination should not cause pus formation; pus is a sign of infection. Abscesses are infections that occur in tissues after injection. The only vaccine that usually causes tumors is BCG, also known as BCG, which is administered in areas where tuberculosis is endemic. In the United States, babies usually do not receive the vaccine.

Risk factors

Multi-dose vials used for injection in some children may be contaminated by bacteria. If this happens, some children vaccinated in the same office may develop abscesses at the injection site. The Centers for Disease Control and Prevention reported a case in which 12 out of 14 children developed abscess in 1982 after being vaccinated with a multi-dose pertussis diphtheria-tetanus vaccine. All bacteria are Streptococcus from the field. Symptoms include fever, rash, vomiting and irritability.

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