Lymph nodes swollen near armpit; Feel discomfort and slight pain; Feel discomfort and slight pain; Nauseous; dizzy; Did not feel like eating much; he felt a little soreness later, in the arm where he got the shot; swelling was in the left armpit towards his chest and main body; He felt just a little bit weaker, like weird; He felt just a little bit weaker, like weird; stomach wasn't feeling good again; His gut was rumbling; Couldn't move his arm right because of discomfort; Couldn't move his arm right because of discomfort; Feel discomfort and slight pain was reported as worsened.; Feel discomfort and slight pain was reported as worsened.; This is a Spontaneous report from a contactable consumer. This 20-year-old male consumer (patient) reported that he received the first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE; Solution for injection; Lot number: EW0171) via an unspecified route of administration on 17Jul2021 at 1400 hours (at 20-year-old) on left arm as dose 1, single for COVID-19 immunization. The patient's medical history included Lymph nodes removed in throat area (Removed tonsils when he was little. It was 2003 or 2004. He was 3 years old), allergies and lymph nodes swell up (Lymph nodes swell up behind ear, and in the throat, and near the pelvis. Allergies tend to make lymph nodes swell up. He thought his immune system was over-reactive. Allergies started when he came to the country from country in 2007 during check up), Indigestion, Allergies started when he came to the country from country in 2007 during check-up, reduce stomach acid, stomach problems, gassy and tenderness at the injection site when he was a teenager and got lots of vaccines. His Dad got discomfort in his arm. His arm was sore. The patient's concomitant medications included calcium carbonate, magnesium carbonate (Tums) from 12Jul021, 3 tablets each time to reduce stomach acid. No investigation assessment was done. History of all previous immunization with the pfizer vaccine considered as suspect, additional vaccines administered on same date of the pfizer suspect, relevant tests and prior vaccinations (within 4 weeks) were reported as none. Caller stated that he got the vaccine and on 18Jul2021 his lymph nodes were swollen near the armpit. He felt discomfort and slight pain. He said it was 3 out of 10. On an unknown date in Jul2021 he described that he could not move his arm right. He said it was not that painful. It was more just discomfort. when he got the shot and had the discomfort. Caller stated that the lymph node swelling started yesterday around 13:00. It was about a full day after the vaccine. He got the vaccine around 14:00 or 14:30. His armpit swelled and he had slight pain. Caller said that it was still about the same. Caller described the slight discomfort. Overnight he could not sleep well. He had to move his arm and keep it steady in a position. He could not put his armpit near his body. He had to put pressure on it. He slept upright. He said it had been one day and 7 hours going on. The discomfort first started at 13:00 or 13:30 on 18Jul2021. He felt it swelled up more at night. The discomfort and slight pain increased. Caller stated that he did not take any medicine. His armpit stayed swollen. He could move his arm around. He could not put his armpit towards his body. He said he could not do what he wanted to do. He had slight discomfort. He said as the day progressed, it had gone up. It has worsened slightly (Jul2021). Caller stated he did not do any treatment. He just ate and drank. He stayed active. Caller stated that he was not worried about this. He was just reporting it for data. He thought this was normal for the immune system. He was calling to add to the data. Caller stated that his next appointment for the second dose was 07Aug2021. Caller stated that the swelling was in the left armpit towards his chest and main body (Jul2021). This was where he got the vaccine. Caller mentioned that he took Tums before he got the vaccine. He had stomach problems. He ate a lot super late at night this week. He had indigestion. For 3 days, he was gassy. His gut was not feeling right. Caller added that he ate late with the vaccine. He took Tums. In Jul2021 he felt just a little bit weaker(Jul2021), like weird and a little nauseous (18Jul2021). He felt like he needed to burp, like something needed to come out. His gut was rumbling, so he thinks that was due to the vaccine When he got the vaccine, he did not feel anything for around a day. He got it Saturday at 1400, and on the same day 17Jul2021 he felt a little soreness later, in the arm where he got the shot, nothing more. He went to the gym. Came back to his house at 2300, he ate pasta and watermelon at night. Woke up and stomach was not feeling good again (Jul2021), thought it was because of pasta, but he did not have armpit symptoms yet. When he took the vaccine, he ate later, he woke up he felt like he ate too much, not really bad, like he needed to take the food out. He woke up at 9 yesterday, played soccer yesterday. He felt normal again. Then he ate hamburgers at 11:00. As the day progressed, his armpit swelled and he had discomfort. He did not feel like eating that much. He ate one chocolate and one piece of empanada. He had a little snack. When he slept at night, his stomach started feeling weird again, he could not sleep. He had soreness in his armpit mainly, but he was also nauseous and dizzy (18Jul2021), not well, like he had something trying to come up put of his stomach. It started last night 18Jul2021. He was not hungry. He did not feel like he needed to eat. He felt blocked. He took Gummi vitamins. He ate a banana and pancakes. He said he needed to eat. He felt this had started improving and now it had evened out. He stated that he thought his lymph nodes swell because his immune system was over reactive, more than normal, because he was reading, he read and it said if you have allergies, like lymph nodes swelling, you immune system, was constantly up,. He did not feel bad, no fevers, he was not hot, he did not feel bad, just his arm near where the shot was sensitive, the normal, then the armpit. Caller stated that he did not go to a doctor or the ER. He was going to go to the clinic where he got the shot to report this. He read it was normal for lymph nodes to swell up after the vaccine, on (Social media), the news on (Social media). When caller was asked if he had a previous reaction to a vaccine, he said he had tenderness at the injection site when he was a teenager and got lots of vaccines. The patient did not require visit to emergency room and physician office. The outcome of his lymph nodes were swollen near the armpit. He felt discomfort and slight pain was not recovered. The outcome of Couldn't move his arm right because of discomfort, mobility decreased, worsened slightly, feel discomfort and slight pain was reported as worsened, he felt a little soreness later, in the arm where he got the shot, swelling was in the left armpit towards his chest and main body, He felt just a little bit weaker, like weird, stomach wasn't feeling good again and His gut was rumbling were unknown. The outcome of Nauseous, dizzy, Did not feel like eating much was recovering.  Follow-up attempts were completed. No further information was expected.; Sender's Comments: Linked Report(s) : US-PFIZER INC-202100918931 same reporter, and suspect product, different patient, similar events.