does not sleep well; has joint pain; eosinophilia; had my shot yesterday and my arms a little sore but not bad; had an accident over the weekend; arm is sore; gain some weight for the first 6 months due to the fact that she was able to taste her food much better; Initial information received on 03-Oct-2023 regarding an unsolicited valid non-serious case received from a patient.  This case involves a 60 years old female patient who had shot yesterday and my arms a little sore but not bad, gain some weight for the first 6 months due to the fact that she was able to taste her food much better, does not sleep well, has joint pain, eosinophilia, had an accident over the weekend and arm was sore while being treated with DUPILUMAB [DUPIXENT] via unknown medical device and Tetanus toxoid.  The patient's past medical history, medical treatment(s), vaccination(s) and family history were not provided. Concomitant medication: Unknown medication for allergies.   In October 2019, the patient started taking DUPIXENT (DUPILUMAB) Solution for injection, every other week (QOW), via subcutaneous route (with an unknown strength, dose, expiry date, device, batch number) for Nasal polyps and Asthma. Information on batch number and expiry date details were requested. On unknown date Oct 2023, the patient started taking Tetanus toxoid (with unknown batch number, expiry date, strength, form, frequency, indication, route, dosage).  In 2019 the patient developed a non-serious event "gain some weight for the first 6 months due to the fact that she was able to taste her food much better" (weight increased) (unknown latency) following the first dose intake of DUPILUMAB and TETANUS TOXOID.  On an unknown date the patient developed a non-serious event "does not sleep well" (insomnia) (unknown latency) following the first dose intake of DUPILUMAB and TETANUS TOXOID.  On an unknown date the patient developed a non-serious event "has joint pain" (arthralgia) (unknown latency) following the first dose intake of DUPILUMAB and TETANUS TOXOID.  On an unknown date the patient developed a non-serious event "eosinophilia" (unknown latency) following the first dose intake of DUPILUMAB and TETANUS TOXOID.  On 02-OCT-2023 the patient developed a non-serious event "had my shot yesterday and my arms a little sore but not bad" (pain in extremity) (latency: approximately 4 years) following the first dose intake of DUPILUMAB and TETANUS TOXOID.  In OCT-2023 the patient developed a non-serious event "had an accident over the weekend" (accident) (approx. 4 years: latency) following the first dose intake of DUPILUMAB and TETANUS TOXOID.  In OCT-2023 the patient developed a non-serious event "arm is sore" (pain in extremity) (approx. 4 years: latency) following the first dose intake of DUPILUMAB and TETANUS TOXOID.  It was reported "I just had my shot yesterday and my arms a little sore but not bad. I walk a little funny when I get out of bed." Patient shared that she is 60 years old; does not sleep well and she has joint pain. She also reported that she did gain some weight for the first 6 months due to the fact that she was able to taste her food much better. Patient stated: "I can't remember. There goes the memory! I actually have that side effect"; patient is referring to eosinophilia. No other information was provided. Patient reported: "I had an accident over the weekend and had to get a tetanus shot. My arm is sore from that today." Patient also reported that her doctor still has her taking medications for allergies."  Relevant laboratory test results included: Weight - On an unknown date:  [gain]  Action taken (Dupixent): No action taken for all events. Action taken (Tetanus toxoid): Unknown for all the events.  It was not reported if the patient received a corrective treatment for all the events.  At time of reporting, the outcome was Not Recovered / Not Resolved for all the events except recovering for accident and pain in extremity.  Additional information was received on 23-Oct-2023 from the patient: Event eosinophilia was added. Clinical course updated and text amended accordingly.  Additional information was received on 30-Oct-2023 from the patient: New event was added as pain in extremity and accident. Text amended accordingly.