twitching out of control; 2nd dose recommended not to be given; Chronic pain in kidney area (opposite side); Weird muscle spasm, twitching out of control; Flank pain; Chest pain; painful urination; Extreme pain; Difficulty walking; Fatigue, Can't get out of bed/ Chronic fatigue; This spontaneous case was reported by a non-health professional and describes the occurrence of PAIN (Extreme pain), CHEST PAIN (Chest pain), DYSURIA (painful urination), FLANK PAIN (Flank pain) and MUSCLE SPASMS (Weird muscle spasm, twitching out of control) in a 48-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 026B21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included Guillain-Barre syndrome (symptoms). Concurrent medical conditions included Penicillin allergy.    On 15-Apr-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 18-Apr-2021, the patient experienced PAIN (Extreme pain), GAIT DISTURBANCE (Difficulty walking) and FATIGUE (Fatigue, Can't get out of bed/ Chronic fatigue). On 19-Jun-2021, the patient experienced CHEST PAIN (Chest pain) and DYSURIA (painful urination). On 25-Jun-2021, the patient experienced FLANK PAIN (Flank pain). On 26-Jun-2021, the patient experienced MUSCLE SPASMS (Weird muscle spasm, twitching out of control). On 03-Jul-2021, the patient experienced RENAL PAIN (Chronic pain in kidney area (opposite side)). On an unknown date, the patient experienced MUSCLE TWITCHING (twitching out of control) and INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION (2nd dose recommended not to be given). The patient was treated with IBUPROFEN at a dose of 1 dosage form. On 29-Apr-2021, PAIN (Extreme pain) and FATIGUE (Fatigue, Can't get out of bed/ Chronic fatigue) had resolved. On 01-Jul-2021, MUSCLE SPASMS (Weird muscle spasm, twitching out of control) had resolved. At the time of the report, CHEST PAIN (Chest pain), DYSURIA (painful urination), FLANK PAIN (Flank pain), RENAL PAIN (Chronic pain in kidney area (opposite side)), GAIT DISTURBANCE (Difficulty walking) and MUSCLE TWITCHING (twitching out of control) outcome was unknown and INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION (2nd dose recommended not to be given) had resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 17-Apr-2021, Blood pressure measurement: high (High) at 3:00 AM he woke up in the middle of the night with a sensation that he is in the gym with high blood pressure.. On 01-Jul-2021, Heart rate: rapid (abnormal) Rapid. On an unknown date, Computerised tomogram: normal (normal) MRI, CAT Scan, Nuclear study , Stress echo were done and all have normal results.. On an unknown date, Magnetic resonance imaging: normal (normal) MRI, CAT Scan, Nuclear study , Stress echo were done and all have normal results.. On an unknown date, Stress echocardiogram: normal (normal) Stress echo was normal.     The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       No concomitant drug provided. The 2nd dose recommended by his HCP not to be given because of the adverse reactions. Patient was prescribed with medications that he did not take except for Ibuprofen. From 12-Jul-2021 up to present, patient is on his normal activities but still experiences occasional extreme fatigue out of the blue On unknown date patient had Nuclear study which had normal results. Nothing neurological or auto immune at the moment. Patient went to the Emergency room on 21-Jun-2021, but HCPs could not find anything so  just rested for several days. on 25-jun-2021 patient felt strange pulse feeling in lower back. Patient went back to the emergency room on 01-Jul-2021 because patient felt pulsing got rapid. Nuclear study of renal area and stress echo were done.