Small child

How often do unwanted vaccination reactions occur?


Undesirable vaccination reactions are this all unwanted body conditions caused by vaccine administration. Vaccines are for the job build resistance to a given disease, however, they sometimes cause negative reactions and complications. They often occur at the puncture site, but this is not a rule as the adverse reaction may affect different systems.

Local reactions

The most common adverse vaccination reactions appear on the skin. It can be seen then redness, swelling, bruising and pain around the puncture. Sometimes there is a trickling fistula above the lymph nodes, abscess, ulceration. They are often caused by incorrect puncture and pass quite quickly.

General reactions

Very often after vaccination occurs general reactions that last several hours after vaccination. These are: fever, headaches and joints, and even rashes and anaphylactic shock. After vaccination, your child may have mild, less frequent serious symptoms of the disease he / she has been vaccinated with.

Nervous system reactions

It happens that after vaccination occurs central nervous system complications. These include convulsions, paresis, Guillain-Barre syndrome (symmetrical paresis with sensory disturbances), paralysis, meningitis, and even brain damage.

Other adverse reactions

The vaccination complication is the so-called cerebral cry in infantswhich can last up to several hours. Appearance is observed in infants hypotensive-hyporeactive syndrome (low blood pressure), decreased muscle tone, no contact with the environment, salivary gland inflammation, orchitis, lack of appetite.
On the next page about whether to vaccinate children with allergies.