Very slow in walking, one of the effects of the neuropathy.; Very slow in walking, one of the effects of the neuropathy.; Very slow in walking, one of the effects of the neuropathy.; I experienced numbness and tingling in my hands and feet; I experienced numbness and tingling in my hands and feet; cold feet; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 57 year-old male patient received bnt162b2 (BNT162B2), administered in arm, administration date 20May2021 (Lot number: EW0185, Expiration Date: 30Aug2021) at the age of 56 years as dose 2, single for covid-19 immunisation. Relevant medical history included: "no" (unspecified if ongoing), notes: Patient History: No. The patient's concomitant medications were not reported. Vaccination history included: Bnt162b2 (Lot number :EW0164), administration date: 21Apr2021, when the patient was 56 years old, for Covid-19 immunization. The following information was reported: CHRONIC INFLAMMATORY DEMYELINATING POLYRADICULONEUROPATHY (medically significant), NEUROPATHY PERIPHERAL (medically significant), GAIT DISTURBANCE (non-serious) all with onset May2021, outcome "not recovered" and all described as "Very slow in walking, one of the effects of the neuropathy."; PARAESTHESIA (non-serious), HYPOAESTHESIA (non-serious) all with onset May2021, outcome "not recovered" and all described as "I experienced numbness and tingling in my hands and feet"; PERIPHERAL COLDNESS (non-serious) with onset May2021, outcome "not recovered", described as "cold feet". The patient underwent the following laboratory tests and procedures: magnetic resonance imaging: unknown results; x-ray: unknown results. Therapeutic measures were taken as a result of chronic inflammatory demyelinating polyradiculoneuropathy, neuropathy peripheral, gait disturbance, paraesthesia, hypoaesthesia, peripheral coldness. The current medication patient was taking name withheld, 6 dose a day and once a month patient went to hospital to get IBIG, immunoglobulin iv and B12 and trazodone, all these are medications that I got." (treatment).  Clinical Course: Concern: Consumer stated, "That's what called name withheld (Clarified as Chronic inflammatory demyelinating polyneuropathy). His neurologist was pretty sure, it's from the Pfizer vaccine. Consumer stated, Yeah, He want to report this and see if there was any support proof or any, you know, what should he do: If you guys any info on what could be done of it. He was on a regimen called (Further not clarified) that did not seem to be helping. " Consumer stated, "he was very slow in walking, one of the effects of the neuropathy". Consumer was informed about the role of the Pfizer Drug Safety. Consumer stated, "He better, call them right away. " In response to probe safety report: Consumer stated, "Yeah, let me call the number bye. "Consumer was informed and the telephone number was shared. Consumer hung up the call Name withheld, hence further probing could not be done. Limited information available over the call. He experienced numbness and tingling in his hands and feet and the following week he started to feel numbness also on his chest and abdomen. He starting to have 'cold feet'' walking. The neurologist figured out that He had CIDP, the chronic inflammatory demyelinating polyneuropathy. And we trace it back it was surely affected due to COVID vaccine and his symptoms elevated because of the antibodies." The patient was not taking any other medication Prior vaccination (within 4 weeks). Treatment: Consumer stated, "IBIG, immunoglobulin intravenous. He was also taking a 5 day a month for 5 hours. he also take Name withheld for the pain and trazodone." Other medication: Consumer stated, " Now, He was taking, Name withheld. At the time of shot, before it happened right he was taking currently medications. The current medication He was taking was name withheld, 6 dose a day and once a month I go to hospital to get IBIG, immunoglobulin iv and B12 and trazodone, all these was medication that I got." (treatment).  No follow-up attempts are possible. No further information is expected.