he only had sweats; Confusion; muscle pains; Foggy headedness; Severe headaches; It was hard for him to speak; Swollen lymph nodes; Dizziness; Liver hurting; This is a spontaneous report from a contactable consumer (patient). A 62-years-old male patient received first dose of BNT162b2 (PFIZER-BIONTECH COVID-19 VACCINE, solution for injection, Lot Number: Unknown), via an unspecified route on 21Apr2021 (at the age of 62-years) as dose 1, single in the left arm for covid-19 immunisation. The patient medical history was not reported. The patient concomitant medications included Naltrexone from an unknown date and unknown if ongoing. The patient experienced after the 1st dose, he said he only had sweats, confusion, muscle pains, foggy headedness, headaches, it was hard for him to speak, swollen lymph nodes, dizziness, liver hurting. However, after receiving his 2nd dose last night, he experienced sweats, and numbness in his left leg and all the way down to his ankle. Patient 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 2nd dose were much worse than what he had with the 1st dose. Patient states after the first dose he only had sweats, however after the second dose last night he has had sweats, numbness in left leg all the way down to the ankle and he can't walk right. Has had confusion, muscle pains, foggy headedness, severe headaches, and it was hard for him to speak. Also had all other side effects reported with the vaccine along with swollen lymph nodes and dizziness. States the reaction with the second dose was much worse than with the first dose. Patient clarifies he had the all the same reactions with the first dose and second dose, all except for the body rash and more. With the first dose his liver also was hurting and he knows right where the liver is. Had this also last night. What he went through with the first dose was not as hard as this second dose. Had the first vaccine 21Apr2021 around 1pm and states symptoms happened right away, but he didn't have the leg numbness to the ankle. 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 food/ankle. That was new and his leg is not working right. The numbness he has been having started this afternoon and is not right. His heart feels like it wants to/feels as though it will pound out of his chest. Did not have to go to emergency room or see provider. Does state he went to emergency room a couple times in past with the same crap and an doctor monitored him and whatever they tried wouldn't work. 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. Then mentions he had been on a new medicine for a weeks 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. The outcome of the events was not recovered.  No follow-up attempts are needed; information about lot/batch number cannot be obtained.