Burning and stinging sensation in her arm; Left arm pain, which is really bad and is spreading; At first the pain was only at the injection site, but now it's travelling; Feeling sick overall; Her arm is red at the injection site; Arm started hurting/arm is hurting almost to her elbow/soreness is all the way to the elbow/muscle aches/muscle soreness; Her joints were hurting/soreness in the joints; Inappropriate schedule of vaccine administered (1st dose on 07-Aug-2021 and 2nd dose of the Moderna vaccine on 12-Sep-2021); She says that on Sunday evening, she started having muscle aches and pains/stinging sensation in her arm; She had a sore throat; This spontaneous case was reported by a consumer and describes the occurrence of INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION (Inappropriate schedule of vaccine administered (1st dose on 07-Aug-2021 and 2nd dose of the Moderna vaccine on 12-Sep-2021)), PAIN (She says that on Sunday evening, she started having muscle aches and pains/stinging sensation in her arm), OROPHARYNGEAL PAIN (She had a sore throat), MALAISE (Feeling sick overall) and BURNING SENSATION (Burning and stinging sensation in her arm) in a 57-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 020F21A and 937902) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Blood pressure. Concomitant products included ATENOLOL for Blood pressure, ARTEMETHER (ARTANE [ARTEMETHER]), GABAPENTIN, METHOCARBAMOL (ROBAXIN), HYDROXYZINE EMBONATE (VISTARIL [HYDROXYZINE EMBONATE]), CELECOXIB (CELEXA [CELECOXIB]), VITAMIN C [ASCORBIC ACID] and MULTIVITAMIN [VITAMINS NOS] for an unknown indication.   On 07-Aug-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 12-Sep-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 12-Sep-2021, the patient experienced INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION (Inappropriate schedule of vaccine administered (1st dose on 07-Aug-2021 and 2nd dose of the Moderna vaccine on 12-Sep-2021)), PAIN (She says that on Sunday evening, she started having muscle aches and pains/stinging sensation in her arm), OROPHARYNGEAL PAIN (She had a sore throat), MYALGIA (Arm started hurting/arm is hurting almost to her elbow/soreness is all the way to the elbow/muscle aches/muscle soreness) and ARTHRALGIA (Her joints were hurting/soreness in the joints). On 14-Sep-2021, the patient experienced MALAISE (Feeling sick overall) and VACCINATION SITE ERYTHEMA (Her arm is red at the injection site). On an unknown date, the patient experienced BURNING SENSATION (Burning and stinging sensation in her arm), PAIN IN EXTREMITY (Left arm pain, which is really bad and is spreading) and VACCINATION SITE PAIN (At first the pain was only at the injection site, but now it's travelling). The patient was treated with NAPROXEN SODIUM (ALEVE) at an unspecified dose and frequency and PARACETAMOL (TYLENOL) at an unspecified dose and frequency. On 12-Sep-2021, INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION (Inappropriate schedule of vaccine administered (1st dose on 07-Aug-2021 and 2nd dose of the Moderna vaccine on 12-Sep-2021)) had resolved. On 18-Sep-2021, PAIN (She says that on Sunday evening, she started having muscle aches and pains/stinging sensation in her arm), PAIN IN EXTREMITY (Left arm pain, which is really bad and is spreading), MYALGIA (Arm started hurting/arm is hurting almost to her elbow/soreness is all the way to the elbow/muscle aches/muscle soreness), ARTHRALGIA (Her joints were hurting/soreness in the joints) and VACCINATION SITE PAIN (At first the pain was only at the injection site, but now it's travelling) had resolved. At the time of the report, OROPHARYNGEAL PAIN (She had a sore throat), MALAISE (Feeling sick overall), BURNING SENSATION (Burning and stinging sensation in her arm) and VACCINATION SITE ERYTHEMA (Her arm is red at the injection site) outcome was unknown.            Concomitant medication also included Clonipine.  The received both shots on her left (non-dominant) arm. The patient mentioned that that the 2nd shot was worse than the 1st one.   On 13-Sep-2021, the symptoms of the patient became worse.   On 14-Sep-2021, her symptoms become better but she still had some muscle soreness as well as soreness in the joints.   This case was linked to MOD-2021-320105 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 18-Sep-2021: Significant followup received  contains event outcome  were updated.