Tingling in her hands and feet; Feels that the inside of her legs, that her circulation isn't right, hard to explain but doesn't feel normal; Pain in her wrists; Burning through her arms and legs; almost immediately after injection she felt pain through her arms anfd legs/When she tries to do exercises it's painful; Felt like her muscles were cramping/behind the knees and calf, she feels her muscles spasm a little; When she got up to leave it felt like she had weights tied around her legs; Very hard to walk; This spontaneous case was reported by a consumer and describes the occurrence of PAIN IN EXTREMITY (almost immediately after injection she felt pain through her arms anfd legs/When she tries to do exercises it's painful), MUSCLE SPASMS (Felt like her muscles were cramping/behind the knees and calf, she feels her muscles spasm a little), LIMB DISCOMFORT (When she got up to leave it felt like she had weights tied around her legs), GAIT DISTURBANCE (Very hard to walk) and PARAESTHESIA (Tingling in her hands and feet) in a 63-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 039B21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No medical history was provided by the reporter.     On 14-May-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 14-May-2021, the patient experienced PAIN IN EXTREMITY (almost immediately after injection she felt pain through her arms anfd legs/When she tries to do exercises it's painful), MUSCLE SPASMS (Felt like her muscles were cramping/behind the knees and calf, she feels her muscles spasm a little), LIMB DISCOMFORT (When she got up to leave it felt like she had weights tied around her legs), GAIT DISTURBANCE (Very hard to walk) and BURNING SENSATION (Burning through her arms and legs). On an unknown date, the patient experienced PARAESTHESIA (Tingling in her hands and feet), FEELING ABNORMAL (Feels that the inside of her legs, that her circulation isn't right, hard to explain but doesn't feel normal) and ARTHRALGIA (Pain in her wrists). The patient was treated with IBUPROFEN at a dose of 1 dosage form once a day. At the time of the report, PAIN IN EXTREMITY (almost immediately after injection she felt pain through her arms anfd legs/When she tries to do exercises it's painful), MUSCLE SPASMS (Felt like her muscles were cramping/behind the knees and calf, she feels her muscles spasm a little), LIMB DISCOMFORT (When she got up to leave it felt like she had weights tied around her legs), GAIT DISTURBANCE (Very hard to walk) and BURNING SENSATION (Burning through her arms and legs) outcome was unknown and PARAESTHESIA (Tingling in her hands and feet), FEELING ABNORMAL (Feels that the inside of her legs, that her circulation isn't right, hard to explain but doesn't feel normal) and ARTHRALGIA (Pain in her wrists) had not resolved.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.       Concomitant medications were not provided by the reporter.   Most recent FOLLOW-UP information incorporated above includes: On 05-Aug-2021: The Follow-up received included  event onset date and outcome of some events updated from initial source document.