Received Sep 4, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| TDAP | TDAP (BOOSTRIX) | GLAXOSMITHKLINE BIOLOGICALS | UNK | 9JT4S | LA |
gave another dose of Boostrix in his left deltoid 7 days later by mistake; This non-serious case was reported by a consumer via call center representative and described the occurrence of extra dose administered in a 14-year-old male patient who received DTPa (Reduced antigen) (Boostrix) (batch number 9JT4S, expiry date 21-FEB-2027) for prophylaxis. Concomitant products included DIPHTHERIA VACCINE TOXOID;PERTUSSIS VACCINE ACELLULAR 3-COMPONENT;TETANUS VACCINE TOXOID (BOOSTRIX). On 05-AUG-2025, the patient received Boostrix (left deltoid) .5 ml. On 05-AUG-2025, an unknown time after receiving Boostrix, the patient experienced extra dose administered (Verbatim: gave another dose of Boostrix in his left deltoid 7 days later by mistake). The outcome of the extra dose administered was not applicable. Additional Information: GSK Receipt Date: 07-AUG-2025 The reporter stated that she gave a dose of Boostrix to a patient on 31-JUL-2025 in his right deltoid. Then she gave the patient another dose of Boostrix in his left deltoid 7 days later by mistake which led to extra dose administered.