migraine headaches/cluster migraines; This is spontaneous report received from contactable consumer (patient) reported for himself. A 60-year-old male patient received the first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE) on 27Mar2021 at age of 60 years old at single dose for COVID-19 immunisation. Medical History: patient typically has had migraines, cluster headaches in the past and he had figured out what it was that was causing it. Patient states it was certain supplements that he discontinued and hasn't had a migraine in three years. Patient states he had diagnosed with migraines maybe in 1992, 1993, 1994, the early 90s. Food allergies. Allergic to caffeine. Concomitant medications were not reported. Patient previously took sumatriptan succinate (IMITREX) for migraine headaches. Patient states typically he can take ibuprofen (ADVIL), pseudoephedrine hydrochloride (SUDAFED), and loratadine;pseudoephedrine sulfate (CLARITIN-D), but they were not really helping his headaches. Patient had a history of migraines. He received his vaccine on 27Mar2021. Since the next day, he has had migraine headaches non-stop (28Mar2021 and ongoing). It had been 3 years since he last had migraines, however they started since the vaccine. He has had 2 emergency room visits, he missed 2 days of work last week due to the headaches. He feels the cluster sparks as a dull migraine at this moment. He had a side effect after the first dose of the vaccine.  Asked if he should get the second dose. Response: As noted in the Fact Sheet for Recipients, you should not get the Pfizer-BioNTech COVID-19 Vaccine if you had a severe allergic reaction after a previous dose of the vaccine or if you had a severe allergic reaction to any ingredient of the vaccine. The decision to receive the second dose for any other reason cannot be made by Pfizer. We refer you to speak to your healthcare provider about the risks of the vaccine compared to the risks of potentially not being fully protected against COVID-19 infection. Your healthcare provider knows your health situation and has access to information that can better help inform this decision. Patient would like to know whether there was anything he can take for his migraines. Patient replied that he was not helped by the information provided to him. Migraine headaches and they have been non-stop was reported as worsened. Patient stated he had the first vaccine shot and he was reading information and it mentioned something about allergies. Patient states he has food allergies and he got migraine headaches. Patient states he took the first vaccine two Saturdays ago and as of that Sunday evening, Monday, he started having migraine headaches and they have been non-stop. Patient states he is wondering if he should take the next shot and if there was something he can do or take for the headaches. Patient states it was cluster migraines, he has not had migraines in like three years. Prescribing Healthcare Professional: Patient states he is getting ready to change. Patient states he was supposed to have an appointment today and she cancelled on him. Patient states it seems like every time he makes an appointment in the afternoon, she cancels on him. Patient states he had the vaccine on Saturday, 27Mar2021 and the migraines started Sunday evening. Migraine headaches: Patient states on Monday evening, early Tuesday, he went to the emergency room because it was just excruciating, unbearable. Patient states what has worked for him in the past was sumatriptan succinate (IMITREX). Patient states they gave him a couple of things, but that's only temporary. He stayed for a few hours and then send him home. Patient states he missed two days of work last week and missed yesterday due to the headaches. Patient states they start around midnight, 1230 every night and it goes for several hours. Patient states typically he can take ibuprofen (ADVIL), pseudoephedrine hydrochloride (SUDAFED), and loratadine;pseudoephedrine sulfate (CLARITIN-D), but they were not really helping his headaches. Patient states they are helping a little bit as a temporary thing, but he finds himself having to take more because the pain gets worse. Patient states he was taking two Advil and it was helping a little bit but now he is taking four, which is 800mg. Patient states he does not have the bottles with him; therefore is unsure of NDC, LOT, or Expiry dates for Advil, Sudafed, or Claritin-D. Migraine headaches: Patient states now it was a dull headache, but he had to come to work today, but he has a headache. Patient states he can feel the shooting clusters going through on the right side. Patient states he thinks it was BioNtech, but doesn't remember the dosage. Patient unsure of NDC, LOT, or Expiry date. Pfizer Covid Vaccine: Indication: Caller states for safety reasons and his mother had received it and she lives with him. Caller states his family was getting it and just for precaution. Test Results: Caller states he went to the emergency room last Tuesday morning, they did draw blood and they did a CAT scan and blood work but they said they didn't see anything. Caller unsure of blood tests they did. Caller states but like he said, whenever it occurs, it was always on the right side, right above his eye to the rear of his head. Caller verifies he received medicine, Imitrex, then was sent home a few hours later. He was not admitted overnight. Time the Vaccination was Given: appointment was at 0845, so around 0900 or 0915. There is no history of all previous immunizations with the Pfizer vaccine considered as suspect. Caller verified he has only received one dose. Caller states he is due to get his next one on 17APR2021, which is a Saturday. There is no additional vaccines administered on same date of the Pfizer suspect. The adverse events (AE) migraine headaches require a visit to Emergency Room, Caller states they gave him blue tablets and then Imitrex. He has allergic to caffeine so he can not have that, and then they sent him home. And caller states he was supposed to have an appointment today to see his doctor, but she cancelled. Prior Vaccinations within 4 weeks, there was no other vaccinations within four weeks prior to the first administration date of the suspect vaccine. Caller verifies that he is wondering if he should take the next shot and if there was something he can do or take for the headaches to hopefully eliminate them. Caller states he was reading the information sheet and it said if he has an allergic reaction, not to take the vaccine. Outcome of event was not recovered.   No follow-up attempts are needed. No further information is expected.