body aches; fever; sweats; chills; headaches; lymph nodes went or were going crazy and started at his right temple, his brain, with also a swollen right side of his neck and right temple down to right hip; major low right back pain; Discomfort; hives; tiredness; weakness; stiff neck due to swollen lymph nodes on both side; This is a spontaneous report received from a contactable consumer or other non-health care Professional (patient) via Pfizer-sponsored program Support. A 42-year-old male patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: solution for injection; Batch no/ Lot Number: unknown; expiration date: unknown) via an unspecified route of administration in right arm on 24Jul2021 (at the age of 42-year-old) as dose 1, single for COVID-19 immunization. The patient medical history included kidney disease (hereditary from the family) and covid-19 in Dec 2020 and concomitant medications were not reported. Patient received his first dose of the Pfizer BioNTech covid-19 vaccine on 24Jul2021, later that night, he doesn't know if it was after midnight or late that night, or the next day as in early morning and started experiencing chills, fever (around 103.5), sweating, body aches the same night, which lasted for about 3 days. He also stated that he got hives, experienced tiredness/weakness, stiff neck due to swollen lymph nodes on both sides and headache lasted for 2 weeks. Patient said that severe events lasted three days, such as sweats, chills, headaches, body aches, and fever. He said that these were pretty persistent for 3 days. He was primarily concerned about the lower right back ache because he has a pre-existing condition and his lymph nodes on the right side of the body enlarged. Patient was worried of getting second dose because he had negative side effects to the first dose and his doctor suggested to reach out to Pfizer. Patient confirmed that the side effects from the first dose have made him reluctant to get the second. He said the ones that are lingering still, were that his lymph nodes went or were going crazy and started at his right temple, his brain, with also a swollen right side of his neck and right temple down to right hip. He said he had major low right back pain that was so bad he thought he was having Appendicitis, so he went to the doctor who checked urine and checked tests and his doctor showed him diagram of lymph nodes and said probably was a crazy immune response reaction to the vaccine. Patient stated it has been two full solid weeks and he still has swollen lymph nodes in his neck and lower right back pain, thought that seems a little better every day, he still has discomfort and pain. He says that the lymph nodes run from head through those areas on the chart where he has persistent dull headaches and was sensitive if he pushes on the right side of his head above his right ear, where the veins and lymph nodes in the temple are over. No Investigation Assessment was reported. Seriousness was reported as No. Therapeutic measures included as patient took Tylenol, two pills every 4-6 hours as treatment in response to the events. The patient underwent lab tests and procedures which included body temperature on 24Jul2021 with results of around 103.5 and Urine test on an unknown date with result of unknown. The outcome of events Chills, fever, sweats, headaches, body aches was recovered on an unknown date in Jul2021, the outcome of Swollen lymph nodes, Back pain was recovering, discomfort was not recovered, and hives, tiredness, weakness and Stiff neck was unknown.  Follow-up attempts have been completed and Information about lot/ batch number could not be obtained, No further information is expected.