lump at the site; felt like I couldn't breath; low fever last night about 99.2; Her back hurts; had no energy/Her energy is not 100% yet.; She had tight chest/felt like someone was sitting on my chest; Next day, she was feeling really tired/She was feeling fatigued.; She was nauseated.; She had headache.; She started with sore left arm on same day after receiving 3rd dose.; This spontaneous case was reported by a consumer and describes the occurrence of PAIN IN EXTREMITY (She started with sore left arm on same day after receiving 3rd dose.), VACCINATION SITE MASS (lump at the site), DYSPNOEA (felt like I couldn't breath), BACK PAIN (Her back hurts) and ASTHENIA (had no energy/Her energy is not 100% yet.) in a 33-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 019F21A, 037A21B and 040A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical history reported.  Concomitant products included METFORMIN, GLIMEPIRIDE, CALCIUM, MONTELUKAST SODIUM (SINGULAIR) and SEMAGLUTIDE (OZEMPIC) for an unknown indication.   On 09-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 06-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 02-Oct-2021, received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 02-Oct-2021, the patient experienced PAIN IN EXTREMITY (She started with sore left arm on same day after receiving 3rd dose.). On 03-Oct-2021, the patient experienced CHEST DISCOMFORT (She had tight chest/felt like someone was sitting on my chest), FATIGUE (Next day, she was feeling really tired/She was feeling fatigued.), NAUSEA (She was nauseated.) and HEADACHE (She had headache.). On 04-Oct-2021, the patient experienced BACK PAIN (Her back hurts) and ASTHENIA (had no energy/Her energy is not 100% yet.). On an unknown date, the patient experienced VACCINATION SITE MASS (lump at the site), DYSPNOEA (felt like I couldn't breath) and PYREXIA (low fever last night about 99.2). The patient was treated with PARACETAMOL (TYLENOL) at an unspecified dose and frequency and ALBUTEROL [SALBUTAMOL] at an unspecified dose and frequency. At the time of the report, PAIN IN EXTREMITY (She started with sore left arm on same day after receiving 3rd dose.), VACCINATION SITE MASS (lump at the site), DYSPNOEA (felt like I couldn't breath), BACK PAIN (Her back hurts), ASTHENIA (had no energy/Her energy is not 100% yet.), CHEST DISCOMFORT (She had tight chest/felt like someone was sitting on my chest), FATIGUE (Next day, she was feeling really tired/She was feeling fatigued.), NAUSEA (She was nauseated.), HEADACHE (She had headache.) and PYREXIA (low fever last night about 99.2) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Body temperature: 99.2 (High) low fever last night about 99.2.     For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown), the reporter did not provide any causality assessments.   Other concomitant medications include Allergy medicine   Most recent FOLLOW-UP information incorporated above includes: On 05-Oct-2021: Follow-up received on 05-OCT-2021 Updated Additional events.