experiencing cramping throughout his body; Had a mild headache; the headache has persisted and has turned into a migraine/ patient have had a migraine headache for two months; unable to work and calling you from bed; unable to work and calling you from bed; Patient was sick; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team for a Pfizer sponsored program. The reporter is the patient.  A 45 year-old male patient received bnt162b2 (BNT162B2), administered in arm left, administration date 26Feb2021 (Lot number: EL9266) at the age of 45 years as dose 1, single for covid-19 immunisation. Relevant medical history included: "High cholesterol" (unspecified if ongoing); "high CPK" (unspecified if ongoing). Family history included: "Cancer" (unspecified if ongoing), notes: Taking care of his mother who has cancer. The patient's concomitant medications were not reported. The following information was reported: LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (non-serious), BEDRIDDEN (non-serious) all with onset 2021, outcome "unknown" and all described as "unable to work and calling you from bed"; ILLNESS (non-serious) with onset 2021, outcome "unknown", described as "Patient was sick"; HEADACHE (non-serious) with onset 26Feb2021, outcome "not recovered", described as "Had a mild headache"; MIGRAINE (non-serious) with onset 26Feb2021, outcome "not recovered", described as "the headache has persisted and has turned into a migraine/ patient have had a migraine headache for two months"; MUSCLE SPASMS (non-serious) with onset 28Feb2021, outcome "recovering", described as "experiencing cramping throughout his body". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were taken as a result of headache, migraine.  Additional information: Patient received his doses of the Pfizer-Biontech Covid19 vaccine on 26Feb2021 & 19Mar2021. Since receiving his first dose, that night patient had a mild headache, that treated by taking some tylenol and the headache has persisted and has turned into a migraine. Patient indicates that he was fine before but, due to the migraine, was currently unable to work and calling you from bed. Agent also reported that the caller was experiencing cramping throughout his body but this was not mentioned by the caller to Agency. Caller stated there were 2 neurologists involved in his case. He said he wants to speak with a doctor about his ongoing reaction to the product. Caller was upset, asked to be contacted by management, and threatened to contact the media. Patient was sick, patient want to get better. This can't be serious, this was ridiculous, you put out a product, it gave a migraine, patient can't work, patient was calling you from the bed and you can't give any information. Patient want to talk to a doctor about situation. This was a complete waste of time. The caller is calling about the covid vaccine. The caller received his first dose on 26Feb2021 and since then he has been experiencing cramping throughout body after that got a headache that he couldn't get rid of that turned into a migraine. The caller wants to get more information. This event happened after receiving the first dose of the vaccine. Patient received the second dose on 19Mar2021 (lot EN6205) for COVID-19 immunisation. The caller had an endoscopy done a week and a half after the first dose of the vaccine and he had anesthesia with it. Consumer stated, the problem was after patient took the vaccine, patient have had a migraine headache for two months and patient got 2 neurologist and can't get rid of this thing. Patients want somebody to help. Patients want to talk to doctors.  No follow-up attempts are possible. No further information is expected.