Pertussis-only vaccine: what to know

Pertussis vaccines train the immune system to recognise the bacteria that cause whooping cough. Protection can lessen over time, and vaccination cannot treat an active cough or replace assessment after an exposure.

Whether a pertussis-only product is available or appropriate depends on the person's age, previous doses, pregnancy status, medical history, allergies, and the vaccination programme where they receive care. Some schedules use combination vaccines rather than a standalone product.

Take any vaccination record to the appointment and tell the clinician about previous reactions, immune problems, pregnancy, and current illness. Ask which product is offered, how many doses are advised, and when a booster or catch-up dose may be considered.

After vaccination, a sore arm, tiredness, or a mild fever can occur. Follow the clinic's aftercare advice. Seek clinical guidance before vaccination if a previous dose caused a serious allergic reaction or you are acutely unwell.

Vaccination does not make every cough safe to ignore. Seek prompt assessment for a worsening cough, repeated gasping, breathing difficulty, chest pain, dehydration, or a cough after close contact with confirmed pertussis. Emergency help is needed for blue lips, collapse, or severe breathing trouble.

Ask whether a standalone or combination vaccine fits your history, what protection it is intended to provide, how long to use extra precautions after exposure, and whether close household contacts need advice.