falling apart; gagging; the person gave adacel dose it to her subcutaneously; patient received Adacel and the person who gave it to her mixed it with something, fillers in it; Patient received Adacel  injection in 2018 and in 2019; Initial information was received on 29-May-2020 regarding an unsolicited valid non-serious case from the consumer.  This case involves a female patient who experienced gagging (retching) and was falling apart (fall), while she received vaccine DIPHTHERIA-2/TETANUS/5 AC PERTUSSIS VACCINE [ADACEL].  The patient's medical history included rusty scrape or puncture wound. The patient's past medical treatment included Adacel in 2013 and 2016, family history and concomitant medication were not provided.   On an unknown date in 2018, the patient received a dose of suspect DIPHTHERIA-2/TETANUS/5 AC PERTUSSIS VACCINE  and on an unknown date in 2019, the patient received another dose of the same vaccine via subcutaneous route (batch number and other dosing details were not reported for both vaccines) for prophylactic vaccination.  On an unknown date, the patient developed non-serious gagging (retching) and was falling apart (fall) (unknown latency) following the administration of DIPHTHERIA-2/TETANUS/5 AC PERTUSSIS VACCINE.  It was also an actual medication error case due to drug dose administration interval too short, wrong injection technique and inappropriate route of vaccination  It was reported that, Adacel should not be combined through reconstitution or mixed with any other vaccine she replied that there must have been arsenic in it because since she got the vaccines she has been gagging and falling apart. She said her injection in 2018 was good but not in 2019 because it had filler in it. She states that she received Adacel and the person who gave it to her mixed it with something and then gave it to her subcutaneously, but she does not know what it was that she mixed it with. She states that she did not write it down. She states that the injection she got in 2017 was not good because they did not do it right and it had filler in it. She states that she was scared. She states that she had a rusty scrape or puncture wound and sometimes they will give her a second one or a double shot. She once got in 2013 and 2016 were both good. She said a fence with needles scraped her and got to her jaw. She mentioned a three series and a puncture in each one and a shot redone.   Details of laboratory data were not reported.  Final diagnosis was retching, fall, inappropriate schedule of product administration, wrong technique in product usage process and incorrect route of product administration.  It was not reported if the patient received any corrective treatment.  At the time of reporting, event outcome was not reported.  This suspected adverse reaction report is submitted and classified as a medication error solely and exclusively to ensure the marketing authorization holder's compliance with the requirements set out in Directive 2001/83/EC and Module VI of the Good Pharmacovigilance Practices. The classification as a medical error is in no way intended, nor should it be interpreted or construed as an allegation or claim made by the marketing authorization holder that any third party has contributed to or is to be held liable for the occurrence of this medication error.  There will be no information available on the batch number for this case.