Received Oct 26, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| FLU3 | INFLUENZA (SEASONAL) (FLUZONE) | SANOFI PASTEUR | 7+ | U8767BA | IM / RA |
Patient got vaccine 1500 on Friday , by the next afternoon family noted intense redness , induration , warm extending from right below his elbow to the upper shoulder. Patient had mild pain to palpation but could still use arm. Low grade fever of 100.4 F at home . Due to pain and extensive swelling patient was admitted to Hospital for monitoring and remained afebrile he was treated for potential cellulitis due to slightly higher WBC count and neutrophil shift and slightly elevated CRP of 6. ER gave Vancomycin and ancef and pain responded to tylenol. Pediatric team transitioned him to oral Clindamycin but with the stable appearance , lack of fever and impressive and rapid induration there was clinic suspicion of hypersensitivity reaction. Patient given 3 day Prednisone course and will complete clindamycin for 5- 7 days as a precautions. Another potential thought is allergic reaction to adhesive from bandage due to blistering that developed right at the ridge of where the bandage was applied, a sibling also has allergy to adhesive.
No recent illness other than possible mild congestion from school
None
As needed Tylenol and Motrin . no other meds
No known allergies
CBC : WBC 15.3 to 13.6 over 12 hours in hospital ; CRP 6.53 , 7.35 , Xray of arm normal. Patient Afebrile during entire admission