Possible side effects after MMR vaccine administration
Your child has received MMR, a live combination vaccine, which contains attenuated measles, mumps and rubella viruses, and which should stimulate your child's defence system to make antibodies (protective factors) that will protect him or her from these diseases
Body
The MMR vaccine, like any other vaccine, can cause some side effects that are mostly mild and go away spontaneously.
Possible side effects are:
- redness at the injection site
- fever above 38 C
- pain and swelling at the injection site
- rash
- irritability
- loss of appetite
- sneeze
- swelling of the lymph nodes glands in the neck, armpits, groin
- swelling of the parotid glands
- drowsiness
- vomiting and diarrhea
- febrile convulsions
- In a small number of children, (), a "mild illness " can occur, usually from 5 to 12 days after vaccination with a fever of 39 C, , rash, enlarged lymph glands . The disease is mild, lasts for a few days, does not require treatment and resolve without consequences.
- Allergic reactions to the MMR vaccine in the form of a rash accompanied by itching are rare and may occur to other components in the vaccine that are traces and represent residues from the production process. True anaphylactic reactions with swelling of the face and neck, generalized rash, respiratory distress and drop in blood pressure are extremely rare.
If any of the side effects gets serious, or if you notice any side effects not listed in this leaflet, please tell your pediatrician.
There is no increased risk of autism in children who received the MMR vaccine, compared to children who did not receive it, as evidenced by numerous studies: in Denmark (650,000 children during the period 1999-2010), in Australia a large metastudy (1,256) 407 children, 2014) and others.