Pain in the left side of his chest; he felt his blood pressure was low; lips very dry; Could no eat because the food does not go through his throat, tried to eat and drank a lot of water; Felt he could not breath and that if he slept, he was going to drown; Back pain; Feels like his arms are going to start cramping; Legs have no strength to do anything.; tremors/body was shaking after 1st and 2nd dose; had no strength, was weak; bone pain; body aches, muscle pain; fever; headache; This spontaneous case was reported by a consumer and describes the occurrence of CHEST PAIN (Pain in the left side of his chest), TREMOR (tremors/body was shaking after 1st and 2nd dose), ASTHENIA (had no strength, was weak), BONE PAIN (bone pain) and BLOOD PRESSURE DECREASED (he felt his blood pressure was low) in a 35-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 031B and 029A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included COVID-19 (Lost smell for one week) in December 2020.   On 05-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 08-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 08-Apr-2021, the patient experienced TREMOR (tremors/body was shaking after 1st and 2nd dose), ASTHENIA (had no strength, was weak), BONE PAIN (bone pain), MYALGIA (body aches, muscle pain) and PYREXIA (fever). 08-Apr-2021, the patient experienced HEADACHE (headache). On 19-Apr-2021, the patient experienced MUSCULAR WEAKNESS (Legs have no strength to do anything.). On 24-Apr-2021, the patient experienced CHEST PAIN (Pain in the left side of his chest), DYSPNOEA (Felt he could not breath and that if he slept, he was going to drown), BACK PAIN (Back pain) and MUSCLE SPASMS (Feels like his arms are going to start cramping). 24-Apr-2021, the patient experienced BLOOD PRESSURE DECREASED (he felt his blood pressure was low), LIP DRY (lips very dry) and OROPHARYNGEAL DISCOMFORT (Could no eat because the food does not go through his throat, tried to eat and drank a lot of water). On 09-Apr-2021, ASTHENIA (had no strength, was weak), BONE PAIN (bone pain), MYALGIA (body aches, muscle pain), PYREXIA (fever) and HEADACHE (headache) had resolved. At the time of the report, CHEST PAIN (Pain in the left side of his chest), TREMOR (tremors/body was shaking after 1st and 2nd dose), BLOOD PRESSURE DECREASED (he felt his blood pressure was low), LIP DRY (lips very dry), OROPHARYNGEAL DISCOMFORT (Could no eat because the food does not go through his throat, tried to eat and drank a lot of water), MUSCULAR WEAKNESS (Legs have no strength to do anything.), DYSPNOEA (Felt he could not breath and that if he slept, he was going to drown), BACK PAIN (Back pain) and MUSCLE SPASMS (Feels like his arms are going to start cramping) had not resolved.            No concomitant medications were reported.   Treatment included vitamins "Trib12 or something like that" per source beginning on 25April2021.   The patient stated he was going to see his PCP.  Company comment: Based on the information provided which includes a strong temporal association between the use of mRNA-1273 vaccine and onset of the reported events, a causal relationship cannot be excluded. Headache, fever and myalgia are consistent with the product safety profile   This case was linked to MOD-2021-090690 (Patient Link).; Sender's Comments: Based on the information provided which includes a strong temporal association between the use of mRNA-1273 vaccine and onset of the reported events, a causal relationship cannot be excluded. Headache, fever and myalgia are consistent with the product safety profile