he doesn't think he slept, he thinks he passed out.; right hand pain and numbness; right hand pain and numbness; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  An 84-year-old male patient received BNT162b2, BNT162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), on 27Sep2022 as dose 4 (booster), single (Batch/Lot number: unknown) at the age of 84 years, in right arm for covid-19 immunisation. The patient had no relevant medical history. The patient's concomitant medications were not reported. Vaccination history included: Covid-19 vaccine (Primary Immunization series complete but unknown manufacturer.), for COVID-19 immunization; Bnt162b2 (Dose 3 (BOOSTER)), for COVID-19 immunization, reaction(s): "right hand pain and numbness", "Severe cramping in reight leg, lower leg", "right hand pain and numbness". The following information was reported: LOSS OF CONSCIOUSNESS (medically significant), outcome "unknown", described as "he doesn't think he slept, he thinks he passed out."; HYPOAESTHESIA (non-serious), outcome "not recovered", PAIN IN EXTREMITY (non-serious), outcome "recovered" and all described as "right hand pain and numbness".  Clinical Course:He has a consumer on the line that had Adverse Event from Pfizer COVID vaccine, either from 1st or 2nd booster shot he got. Hand got number and kept falling asleep and is feeling pain.Patient clarified information above. It was after the first booster that he had reaction to. Did not last long. Severe cramping in right leg, lower leg, numbness and pain in right hand. Dominant hand is left hand. Only lasted a couple of days. By the time he got to his physician, it was gone. She did not know anything about adverse reactions. He then stated the right hand numbness and pain re-started 48 hours ago. The start date for both events was 6 months ago and did not last long.  He did not have exact date. This current bout of the right arm, which he later clarified to right hand pain and numbness started 48 hours ago and has gotten progressively worse.  He recently had physical and everything was fine.  1st time it happened, both events only lasted 48-72 hours. He made appointment to get to doctor and by the time he got to doctor, it had gone away. Then the right hand pain and numbness came back a couple of days ago and has worsened.  It is terrible.  He did not sleep maybe an hour last night.  He then said he doesn't think he slept, he thinks he passed out.All of the vaccines he received were the Pfizer COVID vaccine.  He does not know dates, lot numbers or expiration dates.  He confirmed all were give in his right arm. He later provided date of this last booster dose of 27Sep2022. He did not know the date of the first booster, which is when the events occurred. He does not take any other medications.  He is healthy. He did not receive any medical treatment for events. He did get a Pneumonia Vaccine.  Unknown date, manufacturer, Lot and expiration. Looking specifically to see if he needs neurologist, or what type of specialist.  He can go directly to whatever physician we recommend.  He does not need to go through his primary care. Caller is a consumer who reported his experienced side effects with Pfizer covid-19 vaccine. He said that he had received 2 primary doses and 2 boosters shot, after his 1st booster dose he complained that his right hand got num, can't falling asleep and painful, severe cramping in right leg, which was resolved, the hand also resolved after receiving the booster 6 months after and came back after 48 hours. Caller asked which type of doctor he need to consult for his experienced side effects.  The information on the batch/lot number for [BNT162B2, BNT162B2 OMI BA.4-5] has been requested and will be submitted if and when received.