little headache in the back of his skull that he treated with ibuprofen. Napped 3 times a day; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 75 year-old male patient received bnt162b2 (BNT162B2), administration date Jan2021 (Batch/Lot number: unknown) as dose 1, single for covid-19 immunisation. Relevant medical history included: "type 2 diabetes" (unspecified if ongoing), notes: has type 2 diabetes; "neuropathy" (unspecified if ongoing), notes: He said that he had agent (#) in (#) that caused his neuropathy.; "arthritis" (unspecified if ongoing), notes: a slight amount of arthritis in his hands and pelvis,. The patient's concomitant medications were not reported. Vaccination history included: Polio vaccine, for Immunization; Malaria vaccine, for Immunization. The following information was reported: HEADACHE (non-serious) with onset Jan2021, outcome "not recovered", described as "little headache in the back of his skull that he treated with ibuprofen."; HYPERSOMNIA (non-serious) with onset Jan2021, outcome "unknown", described as "napped 3 times a day". Therapeutic measures were taken as a result of headache.  Additional information: Reporter was a consumer that was calling about the Pfizer Covid-19 Vaccine and said that he got the 1st shot in Jan2021 and the 2nd shot in Feb2021 at the (#). With the first shot, it was not bad reaction, just a normal reaction that everyone gets.He said that he took some well deserved naps for a about 4-5 days and that he napped 3 times a day. He said that he also had a little headache in the back of his skull that he treated with ibuprofen.It only lasted for about 4 hours each day for 4-5 days. He said that after he talked to people, he figured it was normal. According to the CDC they changed the information regarding the vaccine. He said that he called a nurse about the second shot. He said that the 2nd shot was of great concern to him.He is 75 years old, has type 2 diabetes, a slight amount of arthritis in his hands and pelvis, and he has neuropathy. He said that he had agent (#) in (#) that caused his neuropathy. With the second shot, the headaches were more intense.The arthritis seems to be magnified 10 fold and he had trouble walking.He went to do his normal walking routine and found himself leaning forward on his cart and his hands hurt. He realized after about a month of blaming it on arthritis, it was more like muscle pain in his quads, lower back, and calf muscles. The pain was the worst in the quads. He had spasms in his lower back. The spasms subsided and the pain in the calves kind of went away. The thigh pain is still there. He said that also in the morning, he felt a warming feeling in the top of his head for 7-10 days. He said that he did not have a fever. He said that after the second dose, his hands tightened up, and the neuropathy did not magnify, but he suddenly knew it was there. He went into the get the Flu shot at the (#) recently and said that he had a warming feeling for 24 hours. No further details provided.  The availability of the booster shot just came available. He said anyone of 65 years or older or if you have a compromised immune system is eligible. He knows he is eligible to get the booster shot. If this thigh pain does not subside he does not want the booster. Could it possibly amplify the pain?  This follow-up is being submitted to notify that the lot/batch number is not available despite the follow-up attempts made. Follow-up attempts completed. No further information is expected.