night she woke up with really bad leg pain/leg felt like muscle ripping pain; leg cramping; could not get comfy; feet started burning/burning spread throughout whole body; she has a prickling feeling/pins and needles in the feet; high heart rate.; diagnosed with small fiber neuropathy.; lost feeling to temperatures from the knees down/She lost feeling to pointiness; she had really bad flu-like symptoms; fevers for 2 days; she had shivering/chills; This spontaneous case was reported by a consumer and describes the occurrence of PAIN IN EXTREMITY (night she woke up with really bad leg pain/leg felt like muscle ripping pain), MUSCLE SPASMS (leg cramping), DISCOMFORT (could not get comfy), BURNING SENSATION (feet started burning/burning spread throughout whole body) and PARAESTHESIA (she has a prickling feeling/pins and needles in the feet) in a 40-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 025C21A and 040B21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.   On 07-Apr-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 05-May-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 05-May-2021, the patient experienced INFLUENZA LIKE ILLNESS (she had really bad flu-like symptoms), PYREXIA (fevers for 2 days) and CHILLS (she had shivering/chills). On 24-May-2021, the patient experienced PAIN IN EXTREMITY (night she woke up with really bad leg pain/leg felt like muscle ripping pain), MUSCLE SPASMS (leg cramping), DISCOMFORT (could not get comfy), BURNING SENSATION (feet started burning/burning spread throughout whole body), PARAESTHESIA (she has a prickling feeling/pins and needles in the feet), HEART RATE INCREASED (high heart rate.), SMALL FIBRE NEUROPATHY (diagnosed with small fiber neuropathy.) and SENSORY LOSS (lost feeling to temperatures from the knees down/She lost feeling to pointiness). The patient was treated with GABAPENTIN ongoing from 24-May-2021 for Adverse event, at an unspecified dose and frequency; IBUPROFEN ongoing from 24-May-2021 for Adverse event, at a dose of 800 mg and APPLE CIDER VINEGAR ongoing from 24-May-2021 for Adverse event, at a dose of gummies. On 07-May-2021, INFLUENZA LIKE ILLNESS (she had really bad flu-like symptoms), PYREXIA (fevers for 2 days) and CHILLS (she had shivering/chills) had resolved. At the time of the report, PAIN IN EXTREMITY (night she woke up with really bad leg pain/leg felt like muscle ripping pain), MUSCLE SPASMS (leg cramping), DISCOMFORT (could not get comfy), BURNING SENSATION (feet started burning/burning spread throughout whole body), PARAESTHESIA (she has a prickling feeling/pins and needles in the feet), HEART RATE INCREASED (high heart rate.), SMALL FIBRE NEUROPATHY (diagnosed with small fiber neuropathy.) and SENSORY LOSS (lost feeling to temperatures from the knees down/She lost feeling to pointiness) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 24-May-2021, Biopsy skin: small fiber neuropathy (Inconclusive) small fiber neuropathy. On 24-May-2021, Heart rate: high (High) High.   Been to numerous tests, and doctors on 24 May 2021. It was reported that if you put shards glass in the paints and start walking around- that is what it would feel like. No Concomitant medication was provided.   This case was linked to MOD-2022-441916 (Patient Link).