If there are reactions. Most people have no serious reactions from these vaccines. 100 of every 10,000 doses Fever of 105 or higher . . . . . . . . . . . . . . 6 of every 10,000doses Child becomes limp, pale, less alert . . . . . . . . . . . . 6 of every 10,000 doses With DTaP vaccine, these reactions are much less likely to happen.
Experts disagree on whether pertussis vaccines cause lasting brain damage.
If they do, it is very rare. At 11-12 years of age and every 10 years after that you should get a booster to prevent diphtheria and tetanus. Give your child an aspirin-free pain reliever for 24 hours after the shot. This is important if your child has had a seizure or has a parent, brother, or sister who has had a seizure. Call a doctor or get the child to a doctor right away.