Violent twitching on vaccinated arm, Whole arm twitched and spasmed,torso, legs, arm and everywhere; Stomach is sensitive; gastritis; ulcer; extreme joint pain in the knees and entire body including pain in: wrist, elbows, fingers, feet and everywhere in joints,; Severe stomach pain; Feeling of fullness; Dry heaving"; Nausea; Tired, Fatigue, The tired feeling comes and goes if he does too much; This spontaneous case was reported by a consumer and describes the occurrence of FATIGUE (Tired, Fatigue, The tired feeling comes and goes if he does too much), NAUSEA (Nausea), ABDOMINAL PAIN UPPER (Severe stomach pain), ABDOMINAL DISTENSION (Feeling of fullness) and RETCHING (Dry heaving") in a 36-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 030A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.    On 11-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 11-Mar-2021, the patient experienced FATIGUE (Tired, Fatigue, The tired feeling comes and goes if he does too much). On 12-Mar-2021, the patient experienced NAUSEA (Nausea), ABDOMINAL PAIN UPPER (Severe stomach pain), ABDOMINAL DISTENSION (Feeling of fullness) and RETCHING (Dry heaving"). On an unknown date, the patient experienced MUSCLE TWITCHING (Violent twitching on vaccinated arm, Whole arm twitched and spasmed,torso, legs, arm and everywhere), ABDOMINAL DISCOMFORT (Stomach is sensitive), GASTRITIS (gastritis), ULCER (ulcer) and ARTHRALGIA (extreme joint pain in the knees and entire body including pain in: wrist, elbows, fingers, feet and everywhere in joints,). The patient was treated with PARACETAMOL (TYLENOL) for Pain, at a dose of UNK dosage form, qd. At the time of the report, FATIGUE (Tired, Fatigue, The tired feeling comes and goes if he does too much), NAUSEA (Nausea), ABDOMINAL PAIN UPPER (Severe stomach pain), ABDOMINAL DISTENSION (Feeling of fullness), RETCHING (Dry heaving"), MUSCLE TWITCHING (Violent twitching on vaccinated arm, Whole arm twitched and spasmed,torso, legs, arm and everywhere), ABDOMINAL DISCOMFORT (Stomach is sensitive), GASTRITIS (gastritis), ULCER (ulcer) and ARTHRALGIA (extreme joint pain in the knees and entire body including pain in: wrist, elbows, fingers, feet and everywhere in joints,) outcome was unknown. Not Provided      The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       Patient stated that he had an awful experience and is still dealing with the side effects of the modern vaccine. The first day after he went home, he felt tired, fatigue and went to bed early. The next day he experienced: nausea, severe stomach pain, feeling fulness, "dry heaving" for days that went for a week. Then the vaccinated arm began violently twitching including his bicep, triceps and whole arm twitched and spasmed 1-2times per second. The twitching then faded out of arm and then affected everywhere on the body, on face predominantly, torso, legs, arm and everywhere. This persisted to this day but reduced in frequency. Today, it is about 3-4 times per minutes and more on some days. The most concerning part is that 2 weeks in, he developed extreme joint pain in the knees and entire body including pain in: wrist, elbows, fingers, feet and everywhere in joints, muscles, and ligaments. The stomach had gotten better but was still sensitive. The doctor advised that it could be gastritis and possibly ulcer as the patient following up with gastrointestinal doctor. He was told that it could also be inflammation of the stomach lining and ulcer. Patient stated that he has never had a history of anything stomach related but happened after the vaccine. The stomach is still sensitive, and the pain is resolved mostly but must be careful of what he eats as he is still in pain and it's a weaning pain, twitching pain, "waxing" pain. Somedays are better than others per the patient. The patient stated that his body is still processing the vaccine and exercise triggers pain and fatigue and the body thinks it's still sick. The tired feeling comes and goes if he does too much. The patient stated that when he had gone to see a neurologist at a regional hospital, the doctor was of no help. The patient stated he took Tylenol to relieve pain symptoms and is not on any concomitant medications. The patient did not get the 2nd dose due to the side effects from first dose.