Patient is presenting to our office on 1/27/2025 for left arm soreness that has been present since receiving the Tdap booster on 4/22/24. Patient states that she began having left deltoid muscle soreness 2 days after receiving the vaccine and the pain has not gone away or improved. Pain is described as a 7/10, non-radiating, constant pain that makes it difficult to carry any objects with her left arm. Patient has not been to the hospital or seen a doctor previously for this complaint. She has not tried any medications for pain.