Diphtheria-Tetanus-Pertussis Vaccine By Margot L Savoy, MD, MPH, Lewis Katz School of Medicine at Temple University Reviewed / Revised Oct 2022 View Patient Education Preparations Indications Contraindications and Precautions Dose and Administration Adverse Effects More Information Vaccines that contain diphtheria toxoid, tetanus toxoid, and acellular pertussis help protect against diphtheria, tetanus, and pertussis, but they do not prevent all cases.