off balance; hard time feeling his legs; his legs get numb / I can not feel my toes; tingling in my feet; intermittent tremors; vertigo; getting welts under the skin on top of feet; This spontaneous case was reported by a consumer and describes the occurrence of TREMOR (intermittent tremors), VERTIGO (vertigo), URTICARIA (getting welts under the skin on top of feet), BALANCE DISORDER (off balance) and LIMB DISCOMFORT (hard time feeling his legs) in a 51-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 003J21-2A and 033H21A) for COVID-19 prophylaxis. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.   On 04-Jan-2022, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 01-Feb-2022, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 16-Aug-2022, the patient experienced TREMOR (intermittent tremors), VERTIGO (vertigo) and URTICARIA (getting welts under the skin on top of feet). On an unknown date, the patient experienced BALANCE DISORDER (off balance), LIMB DISCOMFORT (hard time feeling his legs), HYPOAESTHESIA (his legs get numb / I can not feel my toes) and PARAESTHESIA (tingling in my feet). At the time of the report, TREMOR (intermittent tremors), VERTIGO (vertigo) and URTICARIA (getting welts under the skin on top of feet) had not resolved and BALANCE DISORDER (off balance), LIMB DISCOMFORT (hard time feeling his legs), HYPOAESTHESIA (his legs get numb / I can not feel my toes) and PARAESTHESIA (tingling in my feet) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Blood test: all are normal. On an unknown date, Electrocardiogram: all are normal.     For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown), the reporter did not provide any causality assessments.   No concomitant medication was provided by reporter. He states that prior to vaccination, he was totally healthy. He states that 6 months after 2nd dose of the Moderna COVID-19 vaccine, he started intermittent tremors, off balance, and Vertigo. For the last 3 months, he has a hard time feeling his legs. Now,  it is constant, and he wants to take legal action. He states that his doctor and the emergency room performed EKG & Blood tests and all are normal. He did not share the contact information for MD and the ER. He states that he has no swelling in his legs, and there is nothing wrong visibly. He Hikes 7 miles a day and he is 188 Lbs. He can still hike but his legs get numb. He states, "I do drive as a realtor and I can not feel my toes. I can not work now because I can not drive, because I can not feel my ankle and toes, I have numbness and tingling in my feet. " He states, now he is getting welts under the skin on top of feet. as the situation is getting worst, he feels that Moderna is responsible for all his side effects and they need to pay him. He states that he does not have any medical questions. He just wants someone to call him and reimburse him for his financial loss and suffering. Consent received to save the caller's information within our database. Consent received to save documentation. Consent received for Safety and Legal Team to follow up via Phone, and Email. "Email address confirmed."  No treatment medication was provided by reporter.