numbness in left leg all the way down to the ankle; low back to hip area and down to his foot/ankle; it was hard for him to walk; confusion; muscle pain; foggy headedness; severe headache; it was hard for him to speak; swollen lymph nodes; dizziness; sweats; Liver hurting; heart feels like it wants to/feels as though it will pound out of his chest; body rash; This is a spontaneous report from a contactable consumer (patient). A 62-year-old male patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE; Formulation: solution for injection; Lot number, NDC and expiry date: unknown), dose 2 via an unspecified route of administration on 12May2021 as dose 2, single for COVID-19 immunisation. The patient's medical history was not reported. Patient family history was none. Concomitant medication included naltrexone hydrochloride/ oxycodone hydrochloride taken for an unspecified indication, start and stop date were not reported. He reported that it had for a week now, a low dose. Was on 2mg at one time and up to 4.5mg and now on 0.5mg dose. Patient historical vaccine includes bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE; lot, NDC and expiry: unknown) dose 1 on 21Apr2021 around 1 pm a COVID-19 immunisation and he said he only had sweats, Confusion, muscle pains, foggy headedness, severe headache, hard to speak, swollen lymph nodes, dizziness and liver hurting. On 12May2021, after receiving his second dose last night, he experienced sweats, and numbness in his left leg and all the way down to his ankle. Consumer said it was hard for him to walk. He said he had confusion, muscle pain, foggy headedness, and severe headache. He also said that it was hard for him to speak. He mentioned that he even came to consult a chiropractor. Patient also said that he had all the side effects that have been reported with the vaccine, including swollen lymph nodes, and dizziness. He said that the side effects he had with the second dose were much worse than what he had with the first dose. Patient did not want any information, but just wanted to inform Pfizer about the reaction that he had with the vaccine. The patient had been told to contact his healthcare professional for further guidance. Since they have access to his medical history, told the consumer that they would be able to assist him better with treating his symptoms. The patient had all the same reactions with the first dose and second dose, all except for the body rash on an unknown date and more. With the first dose his liver also was hurting, and he knows right where the liver was. Had this also last night (liver hurting) on an unknown date in 2021. What he went through with the first dose was not as hard as this second dose. Had the second vaccine last night and again had all the same symptoms as the first dose, but this time he had the numbness in legs, low back to hip area and down to his foot/ankle. That was new and his leg was not working right. The numbness he had started this afternoon and is not right. His heart feels like it wants to/feels as though it will pound out of his chest in 2021. They gave him Valium in his buttocks and Dilaudid and they didn't work. His body started cramping and one time his body would go through convulsions and it got better. Had a new medicine for a week now, a low dose of Naltrexone. Was on 2mg at one time and up to 4.5mg and now on 0.5mg dose. It will go up each week until they get the right amount. Was taking a 0.5mg 1 in the morning and 1 at night. Now they have him on 1 in the morning and 0.5mg at night stating it's used for everything. Went to emergency room a couple times in past with the same crap and whatever they tried wouldn't work. The outcome of the events numbness in leg, walking difficulty, confusion, muscle pain, foggy feeling in head, headache, speech disorder, swollen lymph nodes, dizziness, sweating was not recovered, and the events rash, hepatic pain and palpitation was unknown.  No follow-up attempts are needed; information about lot/batch number cannot be obtained.