Diagnosed with pelvic floor dysfunction; Pelvic pain; Lost 14 pounds in 3 weeks; Felt like adrenaline rush; Both arms have weakness; Start sweating profusely down to her ankles/Would get damp and hot; Couldn't control her bladder because it was dysfunctioning/ was constantly going to the bathroom; tingling going down into hands/ tingling going down into feet; Flushing; couldn't lie down or got worse; Vertigo; A week where she couldn't talk right; Headaches; slept a lot for a couple of days; Really tired; When driving, vision changed/Vision was bad; Going to faint; Vaccination site pain, sore arm the next day; Both arms have pain/Pain going down hands/Pain going down into feet; significant joint pain; sometimes can't even walk; significant muscle pain; This spontaneous case was reported by a consumer and describes the occurrence of PRESYNCOPE (Going to faint), GAIT DISTURBANCE (sometimes can't even walk), PELVIC FLOOR DYSFUNCTION (Diagnosed with pelvic floor dysfunction), PELVIC PAIN (Pelvic pain) and VISUAL IMPAIRMENT (When driving, vision changed/Vision was bad) in a 52-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 039B21A and 021B21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.   On 06-Apr-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 12-May-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 13-May-2021, the patient experienced PAIN IN EXTREMITY (Both arms have pain/Pain going down hands/Pain going down into feet) and VACCINATION SITE PAIN (Vaccination site pain, sore arm the next day). On 22-May-2021, the patient experienced PRESYNCOPE (Going to faint), VISUAL IMPAIRMENT (When driving, vision changed/Vision was bad), SOMNOLENCE (slept a lot for a couple of days) and FATIGUE (Really tired). On 12-Jun-2021, the patient experienced MUSCULAR WEAKNESS (Both arms have weakness), HYPERHIDROSIS (Start sweating profusely down to her ankles/Would get damp and hot), BLADDER DYSFUNCTION (Couldn't control her bladder because it was dysfunctioning/ was constantly going to the bathroom), PARAESTHESIA (tingling going down into hands/ tingling going down into feet), FLUSHING (Flushing), DISCOMFORT (couldn't lie down or got worse), VERTIGO (Vertigo), SPEECH DISORDER (A week where she couldn't talk right), FEELING ABNORMAL (Felt like adrenaline rush) and HEADACHE (Headaches). On 14-Jun-2021, the patient experienced WEIGHT DECREASED (Lost 14 pounds in 3 weeks). In 2021, the patient experienced GAIT DISTURBANCE (sometimes can't even walk), ARTHRALGIA (significant joint pain) and MYALGIA (significant muscle pain). On 12-Jul-2021, the patient experienced PELVIC PAIN (Pelvic pain). On 14-Jul-2021, the patient experienced PELVIC FLOOR DYSFUNCTION (Diagnosed with pelvic floor dysfunction). At the time of the report, PRESYNCOPE (Going to faint), PELVIC FLOOR DYSFUNCTION (Diagnosed with pelvic floor dysfunction), PELVIC PAIN (Pelvic pain), VISUAL IMPAIRMENT (When driving, vision changed/Vision was bad), MUSCULAR WEAKNESS (Both arms have weakness), HYPERHIDROSIS (Start sweating profusely down to her ankles/Would get damp and hot), BLADDER DYSFUNCTION (Couldn't control her bladder because it was dysfunctioning/ was constantly going to the bathroom), PARAESTHESIA (tingling going down into hands/ tingling going down into feet), FLUSHING (Flushing), DISCOMFORT (couldn't lie down or got worse), VERTIGO (Vertigo), SPEECH DISORDER (A week where she couldn't talk right), WEIGHT DECREASED (Lost 14 pounds in 3 weeks), PAIN IN EXTREMITY (Both arms have pain/Pain going down hands/Pain going down into feet), SOMNOLENCE (slept a lot for a couple of days), FEELING ABNORMAL (Felt like adrenaline rush), VACCINATION SITE PAIN (Vaccination site pain, sore arm the next day), FATIGUE (Really tired) and HEADACHE (Headaches) outcome was unknown and GAIT DISTURBANCE (sometimes can't even walk), ARTHRALGIA (significant joint pain) and MYALGIA (significant muscle pain) had not resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 22-May-2021, Blood pressure measurement: high (High) Blood pressure was high.. On 22-May-2021, Heart rate: high (High) Heart started racing. On 12-Jun-2021, Blood pressure measurement: high (High) Blood pressure was high 170s. On 12-Jun-2021, Heart rate: high (High) Heart rate started racing over 110. On 14-Jun-2021, Electrocardiogram: normal (normal) Electrocardiogram was Normal. On 06-Jul-2021, Blood pressure measurement: abnormal (abnormal) abnormal. On 06-Jul-2021, Heart rate: high (High) Heart racing. On 14-Jul-2021, Blood pressure measurement: high (High) high blood pressure.. On 14-Jul-2021, Computerised tomogram: normal (normal) CT scan was normal. On 14-Jul-2021, Heart rate: high (High) heart rate was high. On 14-Jul-2021, Magnetic resonance imaging: normal (normal) MRI of head was normal and normal (normal) MRI of pelvic area was normal. On 14-Jul-2021, Ultrasound scan: normal (normal) ultrasound was normal. On an unknown date, Colonoscopy: normal (normal) Normal. On an unknown date, Laboratory test: normal (normal) Endocrinologist who ran a whole lot of tests (pituitary glands, etc). Everything came back normal..         On 14Jun2021, Cardiologist ordered her to wear a heart monitor for a month. Ended up going to the emergency room twice: heart racing/blood pressure 06 Jul 2021, not admitted. Got blood pressure down and sent her home. Told her to follow up with doctor. Went back to emergency room again on 14 Jul 2021 and ended up seeing colorectal surgeon for the pai. Referred to pelvic floor specialist to help with pain. Concomitant product use was not provided by the reporter. Treatment information was not provided.   This case was linked to MOD-2021-278846 (Patient Link).