syncope; sweaty; When he was laying down in bed started having chest pain; even worse bodily muscle pain evolving cramping in the arches of feet/his feet were locked up like a "Charlie horse."; felt like needle never left the arm. started experiencing pain at the injection site. pain felt like someone punched his arm. The pain is going away somewhat today, but some residual pain still there; experienced more muscle aches with the booster shot/He continued to have muscle aches on Saturday, Sunday, and today; Fever; nauseous/nausea went away by the morning and he never vomited.; This case was received via an unknown source (no reference has been entered for a health authority or license partner) on 05-Dec-2021 and was forwarded to Moderna on 06-Dec-2021.    This spontaneous case was reported by a pharmacist and describes the occurrence of SYNCOPE (syncope), HYPERHIDROSIS (sweaty), CHEST PAIN (When he was laying down in bed started having chest pain), MUSCLE SPASMS (even worse bodily muscle pain evolving cramping in the arches of feet/his feet were locked up like a "Charlie horse.") and INJECTION SITE PAIN (felt like needle never left the arm. started experiencing pain at the injection site. pain felt like someone punched his arm. The pain is going away somewhat today, but some residual pain still there) in a 61-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 045J21A, 030M20A and 0131A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Hypertension and Allergy. Concomitant products included CETIRIZINE HYDROCHLORIDE (ZYRTEC [CETIRIZINE HYDROCHLORIDE]) for Allergy, AMLODIPINE for Hypertension.   On 11-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 11-Mar-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 03-Dec-2021, received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 03-Dec-2021, the patient experienced SYNCOPE (syncope), HYPERHIDROSIS (sweaty), CHEST PAIN (When he was laying down in bed started having chest pain), MUSCLE SPASMS (even worse bodily muscle pain evolving cramping in the arches of feet/his feet were locked up like a "Charlie horse."), INJECTION SITE PAIN (felt like needle never left the arm. started experiencing pain at the injection site. pain felt like someone punched his arm. The pain is going away somewhat today, but some residual pain still there), MYALGIA (experienced more muscle aches with the booster shot/He continued to have muscle aches on Saturday, Sunday, and today), PYREXIA (Fever) and NAUSEA (nauseous/nausea went away by the morning and he never vomited.). On 03-Dec-2021, CHEST PAIN (When he was laying down in bed started having chest pain) had resolved. On 04-Dec-2021, SYNCOPE (syncope), HYPERHIDROSIS (sweaty), MUSCLE SPASMS (even worse bodily muscle pain evolving cramping in the arches of feet/his feet were locked up like a "Charlie horse.") and NAUSEA (nauseous/nausea went away by the morning and he never vomited.) had resolved. At the time of the report, INJECTION SITE PAIN (felt like needle never left the arm. started experiencing pain at the injection site. pain felt like someone punched his arm. The pain is going away somewhat today, but some residual pain still there) was resolving, MYALGIA (experienced more muscle aches with the booster shot/He continued to have muscle aches on Saturday, Sunday, and today) had not resolved and PYREXIA (Fever) outcome was unknown.        For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter did not provide any causality assessments.   Treatment medications were not reported. The reporter states After booster on Friday 6 hours later experienced chest pain, fever, syncope, and even worse bodily muscle pain evolving into severe cramping in my feet at the arches and day since the vaccine patient experiencing continued muscle pain and injection site pain and stated that patient had never experienced anything like this before and that it was unusual for him and says that immediately after he received the booster shot, it felt like the needle never left the arm. Patient had Chest pain 8 to 9 hours after booster dose later that night the chest pain resolved. Patient has no history of Myocarditis/pericarditis and COVID-19 infection.   This case was linked to MOD-2021-405057 (Patient Link).