she experienced a slight pain on the injection site; on the next morning she felt a pain on the left side of her neck/It was a little painful on the injection site; She feels it went to another site or the left side again at the back of her arm; She can't lift her arms because it was very painful/ I  can't lift up my arm with there being an excruciating pain; if I sleep on it hurts; I tried to lift it up it hurts; I had stiffness and pain in my left side of neck; Pain moved to right side of my neck down to backside of my shoulders;  now it is in the front of my shoulders; my muscles and my joints and it's so painful; in my muscles and my joints and its so painful that I cant lift up my arm; in my muscles and my joints and its so painful that I cant lift up my arm; This is a spontaneous report from a contactable consumer (patient herself) from Pfizer- sponsored program. A 63-years-old female patient received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE; Lot Number: EN6203; Expiration Date: Jun2021), via an unspecified route of administration, administered in Arm Left on 12Mar2021 as DOSE 1, SINGLE for covid-19 immunisation (at the age of 63 years). Medical history included hypertension, hypothyroidism and Heart Issue all from an unspecified date unknown if was ongoing. Concomitant medications included lisinopril, 20 mg 2xdaily Tablet orally taken for hypertension, and metoprolol tartrate, 25 mg half tablet twice a day orally taken for cardiac disorder (Heart Issue) both from an unspecified date unknown if was ongoing. The patient  reported that, she experienced she experienced a slight pain on the injection site; on the next morning she felt a pain on the left side of her neck/It was a little painful on the injection site, She feels it went to another site or the left side again at the back of her arm, She can't lift her arms because it was very painful/ I  can't lift up my arm with there being an excruciating pain; if I sleep on it hurts; I tried to lift it up it hurts, I had stiffness and pain in my left side of neck, Pain moved to right side of my neck down to backside of my shoulders;  now it is in the front of my shoulders; my muscles and my joints and it's so painful, in my muscles and my joints and it was so painful that I cannot lift up my arm on unspecified date in Mar2021. It was reported that consumer had received the Pfizer shot on 12Mar2021 on left arm, it was a little painful on the injection site reported as a slight pain on the injection site; on the next morning she felt a pain on the left side of her neck. Next morning she had stiffness and pain in left side of neck, she thought she slept on the wrong position but the next day it moved to right side and then pain moved to right side of neck down to backside of the shoulders, now it is in the front of my shoulders and in my muscles and my joints and it's so painful that she cannot lift up the arm with there being an excruciating pain , if I sleep on it hurts, I tried to lift it up it hurts. Patient reported problem she received her 1st shot, So, basically, she experienced a slight pain on the injection site but on the next morning she felt a pain on the left side of her neck, thinking that she slept on the wrong position but after that she feels it went to another site or the left side again at the back of her arm and she said that she cannot lift her arms because it was very painful. Reporter stated, I just did not know what to do to it, either something I can do for it, I mean it was in joints and in muscles. Due date of second shot of vaccine was reported as 02Apr2021. Reporter stated, it was bearable before but now it was worsening. Treatment received was Tylenol 500 mg (2 tablets), Tiger Balm (Ointment). Reporter seriousness for the events were unspecified. The clinical outcome of the events was not resolved.  No follow-up attempts are needed. No further information is expected.