a hot sensation on the skin with a cold sensation on top of it; It's almost like skin crawling; razor burn with a chill on top/These feelings are constant on her arms, hands, legs, and feet.  When she really concentrates she can feel it on her abdomen, face, and back.; sometimes it becomes the numbing feeling like the area has gone to sleep and is waking up like a tingling & pins & needles feeling; sometimes it becomes the numbing feeling like the area has gone to sleep and is waking up like a tingling & pins & needles feeling.; headache; arm pain; This spontaneous case was reported by a consumer and describes the occurrence of PAIN IN EXTREMITY (arm pain), FEELING OF BODY TEMPERATURE CHANGE (a hot sensation on the skin with a cold sensation on top of it), FORMICATION (It's almost like skin crawling), BURNING SENSATION (razor burn with a chill on top/These feelings are constant on her arms, hands, legs, and feet.  When she really concentrates she can feel it on her abdomen, face, and back.) and HYPOAESTHESIA (sometimes it becomes the numbing feeling like the area has gone to sleep and is waking up like a tingling & pins & needles feeling) in a 59-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 004F21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.    On 20-Aug-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 20-Aug-2021, the patient experienced PAIN IN EXTREMITY (arm pain) and HEADACHE (headache). On an unknown date, the patient experienced FEELING OF BODY TEMPERATURE CHANGE (a hot sensation on the skin with a cold sensation on top of it), FORMICATION (It's almost like skin crawling), BURNING SENSATION (razor burn with a chill on top/These feelings are constant on her arms, hands, legs, and feet.  When she really concentrates she can feel it on her abdomen, face, and back.), HYPOAESTHESIA (sometimes it becomes the numbing feeling like the area has gone to sleep and is waking up like a tingling & pins & needles feeling) and PARAESTHESIA (sometimes it becomes the numbing feeling like the area has gone to sleep and is waking up like a tingling & pins & needles feeling.). At the time of the report, PAIN IN EXTREMITY (arm pain), FEELING OF BODY TEMPERATURE CHANGE (a hot sensation on the skin with a cold sensation on top of it), FORMICATION (It's almost like skin crawling), BURNING SENSATION (razor burn with a chill on top/These feelings are constant on her arms, hands, legs, and feet.  When she really concentrates she can feel it on her abdomen, face, and back.), HYPOAESTHESIA (sometimes it becomes the numbing feeling like the area has gone to sleep and is waking up like a tingling & pins & needles feeling), PARAESTHESIA (sometimes it becomes the numbing feeling like the area has gone to sleep and is waking up like a tingling & pins & needles feeling.) and HEADACHE (headache) outcome was unknown.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.       No concomitant medication was reported. No treatment information was reported.