ulcers in the side of my mouth/ ulcers on the tongue; glands are still really, really swollen; I'm having a mild fever periodically throughout the day; rash on lips /  rash has spread to his chin area and around the lip area; last night I woke up sweating really, really bad; throat glands were swollen; tonsils were swollen; hard to swallow; lost taste and smell; mouth got a bunch of whiteheads / I noticed a pimple on my nose; almost like a weird, euphoric feeling like I was dreaming; cold sweats/ last night I woke up sweating really, really bad; cold shivers; started to feel achy; fever of 103 F / still has a fever; This spontaneous case was reported by a consumer and describes the occurrence of ABNORMAL DREAMS (almost like a weird, euphoric feeling like I was dreaming), HYPERHIDROSIS (cold sweats/ last night I woke up sweating really, really bad), PHARYNGEAL SWELLING (throat glands were swollen), TONSILLAR HYPERTROPHY (tonsils were swollen) and DYSPHAGIA (hard to swallow) in a 42-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 052E21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No medical history information was reported.  Concomitant products included OMEPRAZOLE (PRILOSEC [OMEPRAZOLE]) for an unknown indication.    On 13-Aug-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 15-Apr-2021, the patient experienced PYREXIA (fever of 103 F / still has a fever). On 14-Aug-2021, the patient experienced ABNORMAL DREAMS (almost like a weird, euphoric feeling like I was dreaming), HYPERHIDROSIS (cold sweats/ last night I woke up sweating really, really bad), CHILLS (cold shivers) and MYALGIA (started to feel achy). On 15-Aug-2021, the patient experienced PHARYNGEAL SWELLING (throat glands were swollen), TONSILLAR HYPERTROPHY (tonsils were swollen), DYSPHAGIA (hard to swallow), ANOSMIA (lost taste and smell) and ACNE (mouth got a bunch of whiteheads / I noticed a pimple on my nose). On 16-Aug-2021, the patient experienced NIGHT SWEATS (last night I woke up sweating really, really bad). On 17-Aug-2021, the patient experienced APHTHOUS ULCER (ulcers in the side of my mouth/ ulcers on the tongue), LYMPHADENOPATHY (glands are still really, really swollen), PYREXIA (I'm having a mild fever periodically throughout the day) and RASH (rash on lips /  rash has spread to his chin area and around the lip area). The patient was treated with PREDNISOLONE for Adverse event, at a dose of UNK dosage form; AMOXICILLIN SODIUM, CLAVULANIC ACID (AUGMENTIN [AMOXICILLIN SODIUM;CLAVULANIC ACID]) for Adverse event, at an unspecified dose and frequency and MUPIROCIN (BACTROBAN [MUPIROCIN]) for Adverse event, at an unspecified dose and frequency. At the time of the report, ABNORMAL DREAMS (almost like a weird, euphoric feeling like I was dreaming), HYPERHIDROSIS (cold sweats/ last night I woke up sweating really, really bad), PHARYNGEAL SWELLING (throat glands were swollen), TONSILLAR HYPERTROPHY (tonsils were swollen), DYSPHAGIA (hard to swallow), ANOSMIA (lost taste and smell), ACNE (mouth got a bunch of whiteheads / I noticed a pimple on my nose), APHTHOUS ULCER (ulcers in the side of my mouth/ ulcers on the tongue), LYMPHADENOPATHY (glands are still really, really swollen), NIGHT SWEATS (last night I woke up sweating really, really bad), PYREXIA (I'm having a mild fever periodically throughout the day), CHILLS (cold shivers) and MYALGIA (started to feel achy) outcome was unknown and RASH (rash on lips /  rash has spread to his chin area and around the lip area) and PYREXIA (fever of 103 F / still has a fever) had not resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 15-Aug-2021, Body temperature: 103 (High) Temperature got to 103 degrees Fahrenheit. On an unknown date, Body temperature: 99.5 (High) fever broke to 99.5 degrees Fahrenheit at the hospital. On an unknown date, SARS-CoV-2 test: negative (Negative) Negative and negative (Negative) Negative. On an unknown date, Streptococcus test: negative (Negative) strep test-Negative.     The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       Treatment medication included shot of steroids and magic mouthwash.   Most recent FOLLOW-UP information incorporated above includes: On 18-Aug-2021: follow up received. outcome of event (fever and rash) changed from unknown to not recovered.