potential to not get the second dose; neck to swell around the collarbone area / huge swelling around her collarbone/ swelling her collarbone; lumps; lymph glands were swollen / lymph node swollen on left side/ lymph node is swollen; swollen area is red; allergic reaction; Since I had a reaction with the Pfizer covid-19 vaccine for my first injection, and I get the Johnson and Johnson covid-19 vaccine instead for my second injection?; swelling around her collar bone was reported as worsened; throat swollen on left side; Pain (tender) to lymph node on left side; Pain (tender) to lymph node on left side was reported as worsened / it was painful to touch and tender when she laid on that side or touched it; tenderness in left arm; This is a spontaneous report from a contactable consumer (Patient). A 38-years-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, Lot Number: EN6205), dose 1 via an unspecified route of administration, administered in Arm Left on 04Mar2021 (Age at vaccination: 38 years) as dose 1 single for covid-19 immunisation. Patient took the vaccine as she had a newborn and did not want to get him sick. Relevant medical history was reported as none. The patient's concomitant medications were not reported. The patient experienced tenderness in left arm on 05Mar2021, neck to swell around the collarbone area / huge swelling around her collarbone/ swelling her collarbone, lumps, lymph glands were swollen / lymph node swollen on left side/ lymph node is swollen, swollen area is red, allergic reaction, since she had a reaction with the pfizer covid-19 vaccine for her first injection, and she get the johnson and johnson covid-19 vaccine instead for her second injection? (circumstance or information capable of leading to medication error), swelling around her collar bone was reported as worsened (condition aggravated), throat swollen on left side , pain (tender) to lymph node on left side, pain (tender) to lymph node on left side was reported as worsened / it was painful to touch and tender when she laid on that side or touched it on 07Mar2021, potential to not get the second dose (product dose omission issue on 25Mar2021. Patient was asking Can it cause your neck to swell around the collarbone area and should she even get the second injection because of what she was experiencing with the first? she was scheduled to receive the second one tomorrow (3 weeks after the first) but it not sure if she will get it or not because of what she has been experiencing after the first injection. It was further reported that the consumer reports being fine initially after the Pfizer covid-19 injection, but about 3 days letter, she experienced swelling in the collarbone area and up the left side of the neck to the jaw and even a little bit on the side of her face. The consumer reported being able to see some lumps and thought her lymph glands were swollen but was also concerned she might be experiencing an allergic reaction. The consumer stated the swollen area is red and a little bit tender and can be painful to touch. She was asking Since she had a reaction with the Pfizer covid-19 vaccine for her first injection, and she get the Johnson and Johnson covid-19 vaccine instead for her second injection? Caller stated that she wanted to report what happened to her with the vaccine. was the Pfizer Covid vaccine. Stated that she had the first dose and did not feel anything. Had no effects only tenderness in her left arm on Thursday and then on Sunday there was huge swelling around her collarbone. Stated that she had to go to the doctor like it was lymph node. Stated it was painful to touch and tender when she laid on that side or touched it. Stated that her throat felt swole up on left side. Stated that it went down but the lymph node is swollen. Later clarified that everything was on the left side. Stated she has not taken second dose. Stated that she was due for second dose but has not taken it because she heard the second one was there. Stated that she heard that with the second dose that it was worst. Wanted to know how long to take to go down. Stated the swelling her collarbone has been there for three weeks. Wanted to know if she should take the second dose. Wanted to know if she should she not get the second one until swelling and the lymph nodes go down. Wanted to know if this was considered an adverse reaction. Stated that she was supposed to return for the second dose on 25Mar. Stated that there was no doctor. The outcome of tenderness in left arm was recovered on 06March2021. The outcome of neck to swell around the collarbone area / huge swelling around her collarbone/ swelling her collarbone, lymph glands were swollen / lymph node swollen on left side/ lymph node is swollen, swelling around her collar bone was reported as worsened, Pain (tender) to lymph node on left side , Pain (tender) to lymph node on left side was reported as worsened / it was painful to touch and tender when she laid on that side or touched it was not recovered. The outcome of lumps, swollen area is red, allergic reaction, Since I had a reaction with the Pfizer covid-19 vaccine for my first injection, and I get the Johnson and Johnson covid-19 vaccine instead for my second injection? was unknown. The outcome of throat swollen on left side was recovering.   No follow-up attempts are possible. Information about lot/batch number cannot be obtained.  Follow-up attempts completed. No further information expected.