difficult standing and laying down; It feels like a knife is stabbing in the back/& it feels like someone is stabbing him with a knife; now he can't eat anything/ he didn't even feel like eating.; had a glass of water this morning & his colon went on fire,, he couldn't sit down,; eating causes extreme pain; has lots of gas which he assumes is causing the pain; Digestive system check down/ Booster doing havoc to digestive system; Pain in the colon; Can't walk (difficulty walking); This spontaneous case was reported by a consumer and describes the occurrence of FLATULENCE (has lots of gas which he assumes is causing the pain), DYSPEPSIA (Digestive system check down/ Booster doing havoc to digestive system), ABDOMINAL PAIN (Pain in the colon), GAIT DISTURBANCE (Can't walk (difficulty walking)) and DYSSTASIA (difficult standing and laying down) in a 68-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 067F21A, 021B21A and 010A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included Gluten sensitivity (He has a history of a gluten problem that causes constipation).   On 25-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 25-Mar-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 17-Nov-2021, received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. In November 2021, the patient experienced FLATULENCE (has lots of gas which he assumes is causing the pain), DYSPEPSIA (Digestive system check down/ Booster doing havoc to digestive system), ABDOMINAL PAIN (Pain in the colon), GAIT DISTURBANCE (Can't walk (difficulty walking)), BACK PAIN (It feels like a knife is stabbing in the back/& it feels like someone is stabbing him with a knife), EATING DISORDER (now he can't eat anything/ he didn't even feel like eating.), ABDOMINAL DISCOMFORT (had a glass of water this morning & his colon went on fire,, he couldn't sit down,) and PAIN (eating causes extreme pain). On 17-Nov-2021, the patient experienced DYSSTASIA (difficult standing and laying down). The patient was treated with MACROGOL 3350 (PURELAX) for Adverse event, at an unspecified dose and frequency; BIFIDOBACTERIUM INFANTIS, LACTOBACILLUS ACIDOPHILUS (PROBIOTIC [BIFIDOBACTERIUM INFANTIS;LACTOBACILLUS ACIDOPHILUS]) for Adverse event, at an unspecified dose and frequency; MACROGOL 3350 (MIRALAX) for Gas, at an unspecified dose and frequency and LACTOBACILLUS ACIDOPHILUS, PECTIN (ACIDOPHILUS/PECTIN) for Gas, at an unspecified dose and frequency. At the time of the report, FLATULENCE (has lots of gas which he assumes is causing the pain) had not resolved and DYSPEPSIA (Digestive system check down/ Booster doing havoc to digestive system), ABDOMINAL PAIN (Pain in the colon), GAIT DISTURBANCE (Can't walk (difficulty walking)), DYSSTASIA (difficult standing and laying down), BACK PAIN (It feels like a knife is stabbing in the back/& it feels like someone is stabbing him with a knife), EATING DISORDER (now he can't eat anything/ he didn't even feel like eating.), ABDOMINAL DISCOMFORT (had a glass of water this morning & his colon went on fire,, he couldn't sit down,) and PAIN (eating causes extreme pain) outcome was unknown.            No concomitant medications were reported.  Patient stated that in the past he had drank carrot juice has cleaned him out and previous day also he drank some carrot juice , it soothed the pain , so he ate  and was in pain whole night. At one point the pain caused him to scream, he had lots of gas which he assumes is causing him pain. He also stated that his movements come out in pieces with a lot of gas. He was recommended  with miralax and acidophilus which haven't helped  him.  Non drug treatment include ginger ale to help him burp out the gas.   This case was linked to MOD-2021-071447 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 29-Nov-2021: Follow up was received, updated reporter details (address, another phone number and email), patient demographics (date of birth, age and gender), Suspect start date, anatomical location, route, dose 1 and dose 2 details and added additional events (Abdominal pain, Walking difficulty, Breathing difficult, Back pain and Difficulty in standing). On 30-Nov-2021: Follow up document received contained significant information Medical history was updated, treatment medications and new events and outcome were updated.; Sender's Comments: Case routed out of MR workflow as medical review is not required per new CMOP process for non serious cases which are not AESI and LOE