She has allergies too and was not sure if that was allergy related; She wants to talk with someone about her arm and is curious if they know if the vaccine triggers the Arthritis; she could not sleep; feel the injection the day after she got it/she has this pain that came back around the vicinity of where the injection went in; Left arm/shoulder burning pain; Tightening in right calf muscle/Tightening in left calf muscle; Headache; Neck pain on base on neck; Left arm pain; This is a spontaneous report from a contactable consumer or other non-healthcare professional. A 63-years-old female patient received BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, Batch/Lot Number: EN6208; Expiration Date: 30Jun2021), via intramuscular route of administration, on 11Mar2021 at 09:30 (at the age of 63-year-old), in Arm Left, as dose 1, single for COVID-19 immunization. Medical history included diagnosed allergies, compromised immune status, respiratory illness, genetic /chromosomal abnormalities, endocrine abnormalities (including diabetes) and obesity: Seasonal allergies with dog and leaves. The patient's concomitant medications included vitamin and zinc. The patient experienced tightening in right calf muscle/tightening in left calf muscle on 14Mar2021 at 07:00, headache on 13Mar2021 at 07:00, neck pain on base on neck on 12Mar2021 at 18:00, left arm pain on 12Mar2021 at 07:00, left arm/shoulder burning pain on 20Mar2021 at 18:00, and on an unspecified date, she has allergies too and was not sure if that was allergy related, she wants to talk with someone about her arm and is curious if they know if the vaccine triggers the arthritis, she could not sleep, feel the injection the day after she got it/she has this pain that came back around the vicinity of where the injection went in. Patient had not received any other vaccine prior to COVID vaccine. Patient had been having repeat labs for her liver enzymes and has been watching for a year. They were good when she had them done 2 days before her vaccine and they were back down to normal. The patient reported that she could feel the injection the day after she got it. Last Friday (14Mar2021), patient had tightening in right calf muscle. It started in right and did not had any symptoms until 4 days after she had the vaccine. patient had a slight headache and tightening in right calf. The next morning (15Mar2021) got up, it was also in the left calf. The headache was better. patient had allergies too and was not sure if that was allergy related. patient could not really blame it on the vaccine. Patient had it across her forehead. Then patient started getting neck pain on the back of her neck. This started 14Mar2021 or 15Mar2021 and it got better, but it was still there. It was across and worked its way downward. It was across the upper apart of her shoulder, more on the left. The patient reported that it was hard sometimes to turn her head. Patient can turn it better to right than can to the left. It was reported that three days ago, patient had this pain that came back around the vicinity of where the injection went in. It was her shoulder down into that arm. The patient reported that at times it went all the way down into her lower arm. It was like a hot warm feeling like a burning pain. Last night, it was awful and patientcould not sleep. It was very sore to move around. It was like she had the injection all over again. She would not say it was worse, just constant. It felt like a nerve pulsating in there. When they gave her the injection, it hurt and burned going in. patient told them when she got it. She wondered if it hit a nerve or something. Patient had to go for second one on 01Apr2021 and she did not want to go. Patient wanted to talk with someone about her arm and was curious if they know if the vaccine triggers the Arthritis. The patient stated that she had arthritis in neck and different parts of body. The patient was asking if vaccine cause it to flare up. The patient reported that people were sharing their symptoms on the internet and a lot of people had the same arm problems that she had. Some say their doctors were putting them on steroids. It can trigger the arthritis. Patient had not called her PCP. Patient tried to call last week about the calf muscles and they did not know anything. The patient underwent lab tests and procedures which included investigation: they were good when she had them done 2 days before. They were good when she had them done 2 days before her vaccine and they were back down to normal. The clinical outcome of events tightening in right calf muscle/tightening in left calf muscle, headache, neck pain on base on neck, left arm pain was recovering, left arm/shoulder burning pain was not recovered and she has allergies too and was not sure if that was allergy related, she wants to talk with someone about her arm and is curious if they know if the vaccine triggers the arthritis, she could not sleep, feel the injection the day after she got it/she has this pain that came back around the vicinity of where the injection went in events outcome was unknown.  No follow-up attempts are possible. No further information is expected.