strange sensation in my arms 1 hour after the second dose; 4 hours after my second dose I had bone pain in my hips on both sides, a few hours later I had extreme bone pain bilaterally in my thigh bones; I couldn't stand up; swollen lymph nodes with pain under my armpits bilaterally for 4 months after the second dose; swollen lymph nodes with pain under my armpits bilaterally for 4 months after the second dose; fatigue; return of my menstrual cycle 1 month after my second dose when I have had ammdenorhea (absent menstrual cycle) for 6 years; This is a spontaneous report received from a non-contactable reporter(s) (Pharmacist). The reporter is the patient.  A 27-year-old female patient (not pregnant) received BNT162b2 (BNT162B2), in 2020 as dose 2, single (Lot number: EL1284) at the age of 27 years for covid-19 immunisation. The patient's relevant medical history included: "ammenorhea (absent menstrual cycle) for 6 years" (unspecified if ongoing), notes: for 6 years. The patient took concomitant medications. Vaccination history included: Bnt162b2 (Dose Number: 1, Batch/Lot No: lot:EL1284), for COVID-19 immunization, reaction(s): "fatigue", "sore arm", "fever". The following information was reported: BONE PAIN (non-serious) with onset 09Jan2021, 4 hrs after the suspect product(s) administration, outcome "recovered", described as "4 hours after my second dose I had bone pain in my hips on both sides, a few hours later I had extreme bone pain bilaterally in my thigh bones"; DYSSTASIA (non-serious) with onset 09Jan2021, outcome "recovered", described as "I couldn't stand up"; FATIGUE (non-serious) with onset 09Jan2021, outcome "recovered"; THERAPEUTIC RESPONSE UNEXPECTED (non-serious) with onset 09Jan2021, 1 month after the suspect product(s) administration, outcome "recovered", described as "return of my menstrual cycle 1 month after my second dose when I have had ammdenorhea (absent menstrual cycle) for 6 years"; FEELING ABNORMAL (non-serious) with onset 09Jan2021, 1 hr after the suspect product(s) administration, outcome "recovered", described as "strange sensation in my arms 1 hour after the second dose"; LYMPHADENOPATHY (non-serious), LYMPH NODE PAIN (non-serious) all with onset 09Jan2021, outcome "recovered" (2021) and all described as "swollen lymph nodes with pain under my armpits bilaterally for 4 months after the second dose". The events "strange sensation in my arms 1 hour after the second dose", "4 hours after my second dose i had bone pain in my hips on both sides, a few hours later i had extreme bone pain bilaterally in my thigh bones", "i couldn't stand up", "swollen lymph nodes with pain under my armpits bilaterally for 4 months after the second dose", "fatigue" and "return of my menstrual cycle 1 month after my second dose when i have had ammdenorhea (absent menstrual cycle) for 6 years" required physician office visit. Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were taken as a result of feeling abnormal, bone pain, dysstasia. Therapeutic measures were not taken as a result of lymphadenopathy, lymph node pain, fatigue, therapeutic response unexpected.  Additional Information: The patient has no known allergies. The patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine. Other medications in two weeks included birth control pills. Course of event was as follows: After patient's second dose, she experienced a strange sensation in her arms 1 hour after the second dose. 4 hours after her second dose she had bone pain in her hips on both sides. A few hours later she had extreme bone pain bilaterally in her thigh bones to the point she couldn't stand up. She took 400mg ibuprofen with a little refilled and proceeded to take more ibuprofen totaling 800mg and it eventually subsided within 30 minutes. She also had swollen lymph nodes with pain under my armpits bilaterally for 4 months after the second dose and fatigue. She received ultrasounds and they eventually went down in size. She also experienced a return of my menstrual cycle 1 month after her second dose when she have had amenorrhea (absent menstrual cycle) for 6 years.  No follow-up attempts are possible. No further information is expected.