shaking chills/ Chills became so strong and became convulsive and shaking. A little more than 48 hours after, she had diarrhea poured down her leg./It was brown water. Her gut started hurting/Her gut still hurts.Her right arm at the injection site was tall/ It kept growing and growing; Her right arm at the injection site was tall, red and hot. It was itchy; She doesn't feel good and doesn't look good; Her lymph nodes on right side of her head, and under neck are very swollen. Her right arm at the injection site was tall, red and hot. It was itchy; Her right arm at the injection site was tall, red and hot. It was itchy; Yesterday, it started turning blue at the injection site like a broken tissue.; 30 hours later, she started with chills./Chills became so strong and became convulsive and shaking; Her arm was out of commission for 2 days/ She had sore arm on the same day.; This spontaneous case was reported by an other health care professional and describes the occurrence of CHILLS (shaking chills/ Chills became so strong and became convulsive and shaking.), DIARRHOEA (A little more than 48 hours after, she had diarrhea poured down her leg./It was brown water.), GASTROINTESTINAL PAIN (Her gut started hurting/Her gut still hurts.), VACCINATION SITE REACTION (Her right arm at the injection site was tall/ It kept growing and growing) and VACCINATION SITE WARMTH (Her right arm at the injection site was tall, red and hot. It was itchy) in a 71-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 012F21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Asthma and Allergy.    On 27-Oct-2021, the patient received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) .25 milliliter. On 27-Oct-2021, the patient experienced VACCINATION SITE PAIN (Her arm was out of commission for 2 days/ She had sore arm on the same day.). On 29-Oct-2021, the patient experienced CHILLS (30 hours later, she started with chills./Chills became so strong and became convulsive and shaking). On 31-Oct-2021, the patient experienced VACCINATION SITE DISCOLOURATION (Yesterday, it started turning blue at the injection site like a broken tissue.). On an unknown date, the patient experienced CHILLS (shaking chills/ Chills became so strong and became convulsive and shaking.), DIARRHOEA (A little more than 48 hours after, she had diarrhea poured down her leg./It was brown water.), GASTROINTESTINAL PAIN (Her gut started hurting/Her gut still hurts.), VACCINATION SITE REACTION (Her right arm at the injection site was tall/ It kept growing and growing), VACCINATION SITE WARMTH (Her right arm at the injection site was tall, red and hot. It was itchy), VACCINATION COMPLICATION (She doesn't feel good and doesn't look good), LYMPHADENOPATHY (Her lymph nodes on right side of her head, and under neck are very swollen.), VACCINATION SITE PRURITUS (Her right arm at the injection site was tall, red and hot. It was itchy) and VACCINATION SITE ERYTHEMA (Her right arm at the injection site was tall, red and hot. It was itchy). At the time of the report, CHILLS (shaking chills/ Chills became so strong and became convulsive and shaking.), DIARRHOEA (A little more than 48 hours after, she had diarrhea poured down her leg./It was brown water.), VACCINATION SITE REACTION (Her right arm at the injection site was tall/ It kept growing and growing), VACCINATION SITE WARMTH (Her right arm at the injection site was tall, red and hot. It was itchy), VACCINATION SITE DISCOLOURATION (Yesterday, it started turning blue at the injection site like a broken tissue.), VACCINATION COMPLICATION (She doesn't feel good and doesn't look good), LYMPHADENOPATHY (Her lymph nodes on right side of her head, and under neck are very swollen.), VACCINATION SITE PRURITUS (Her right arm at the injection site was tall, red and hot. It was itchy), VACCINATION SITE ERYTHEMA (Her right arm at the injection site was tall, red and hot. It was itchy), VACCINATION SITE PAIN (Her arm was out of commission for 2 days/ She had sore arm on the same day.) and CHILLS (30 hours later, she started with chills./Chills became so strong and became convulsive and shaking) outcome was unknown and GASTROINTESTINAL PAIN (Her gut started hurting/Her gut still hurts.) had not resolved.        For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown), the reporter did not provide any causality assessments.   It was reported that patient had concomitant medication  which were allergy and asthma medicine. Patient was given treatment with fluid and rest. It was reported that patient experienced chills 30 hours later after vaccination. Chills became so strong and became convulsive and shaking. Patient didn't feel warm but at least she wasn't shaking after wrapping her body up with 2 blankets. A little more than 48 hours after, she had diarrhea poured down her leg. It was brown water. Patient said if there were more shots that were needed she would consider switching to Pfizer for next one.   This case was linked to MOD-2021-005850 (Patient Link).