Description

Vaccination is the best protection against these diseases and their complications:

Tdap vaccine is given to people aged 4 and older who require protection against these 3 diseases. This vaccine is usually given in Secondary 3.

Symptoms

Some symptoms may be caused by the vaccine, e.g. redness at the injection site.

Other problems may occur by chance and are not related to the vaccine, e.g. cold, gastro, headache.

Tdap vaccine is safe. Most reactions are harmless and do not last long.

The Nature and Frequency of Possible Reactions to Vaccine
FrequencyPossible reaction to the vaccine

In most cases
(more than 50% of people)

  • Pain at the injection site
  • Fatigue, headache

Very often
(less than 50% of people)

  • Redness and swelling at the injection site
  • Discomfort, dizziness, nausea, diarrhea, shivering

Often
(less than 10% of people)

  • Fever
  • Loss of appetite, vomiting
  • Irritability, drowsiness (sleepiness)
  • Skin rash
  • Swollen lymph nodes

Sometimes
(less than 1% of people)

  • Small lump for a few weeks at the injection site

Very rarely
(less than 1 person in 10,000)

  • Sterile abscess at the injection site
  • Intense pain and weakness in the arm for several weeks

What to Do after Vaccination

Tips to follow immediately following vaccination

Wait 15 minutes before leaving premises where vaccine is received. If an allergic reaction occurs, the symptoms will appear a few minutes after the vaccination.

If you feel side effects, immediately inform the person giving the vaccine. That person will be able to treat you immediately.

Tips to follow at home

If you experience redness, pain or swelling at the injection site, apply a cold, damp compress on it.

Use medication for fever or discomfort if needed.

When to Seek Medical Help

See a doctor if one of the following applies to you:

  • You experience serious and unusual symptoms
  • Your symptoms get worse instead of improving
  • Your symptoms last over 48 hours