Mild lower back pain; Extreme muscle pain; nerve was pinched that radiated down the arm; Pain that started at the right shoulder blade and radiated down to the elbow and wrist; muscle spasms like a nerve was pinched that radiated down the arm; Nerve pain; My next period was 3 weeks later than expected; constant bleeding for well over 2 weeks, this is still ongoing; very light flow of constant bleeding for well over 2 weeks, this is still ongoing; This is a spontaneous report received from a non-contactable reporter(s) (Other HCP). The reporter is the patient.  An adult female patient (not pregnant) received bnt162b2 (BNT162B2), administered in arm left, administration date Jun2021 (Lot number: EW0167) as dose 2, single for covid-19 immunisation. Relevant medical history included: "raynaud's syndrome" (unspecified if ongoing); "Known allergies: sulfa" (unspecified if ongoing). Concomitant medication(s) included: IRON; PROBIOTICS; PREBIOTICS NOS. Past drug history included: Amoxicillin, reaction(s): "known allergies: amoxicillin". Vaccination history included: Bnt162b2 (Product: COVID 19, Brand: pfizer,, Lot number: EW0217, Administration time: 09:00 AM, Dose number: 1,, Vaccine location: Left arm), administration date: May2021, for COVID-19 immunization, reaction(s): "fatigue", "Mild nausea". The following information was reported: BACK PAIN (non-serious) with onset Jun2021, outcome "recovered" (2021), described as "Mild lower back pain"; MYALGIA (non-serious) with onset Jun2021, outcome "recovered" (2021), described as "Extreme muscle pain "; NERVE COMPRESSION (non-serious) with onset Jun2021, outcome "recovered" (2021), described as "nerve was pinched that radiated down the arm"; ARTHRALGIA (non-serious) with onset Jun2021, outcome "recovered" (2021), described as "Pain that started at the right shoulder blade and radiated down to the elbow and wrist"; MUSCLE SPASMS (non-serious) with onset Jun2021, outcome "recovered" (2021), described as "muscle spasms like a nerve was pinched that radiated down the arm"; NEURALGIA (non-serious) with onset Jun2021, outcome "recovered" (2021), described as "Nerve pain"; MENSTRUATION DELAYED (non-serious) with onset Jun2021, outcome "not recovered", described as "My next period was 3 weeks later than expected "; HEAVY MENSTRUAL BLEEDING (non-serious) with onset Jun2021, outcome "not recovered", described as "constant bleeding for well over 2 weeks, this is still ongoing "; MENSTRUAL DISORDER (non-serious) with onset Jun2021, outcome "not recovered", described as "very light flow of constant bleeding for well over 2 weeks, this is still ongoing". The events "mild lower back pain", "extreme muscle pain ", "nerve was pinched that radiated down the arm", "pain that started at the right shoulder blade and radiated down to the elbow and wrist", "muscle spasms like a nerve was pinched that radiated down the arm", "nerve pain", "my next period was 3 weeks later than expected ", "constant bleeding for well over 2 weeks, this is still ongoing " and "very light flow of constant bleeding for well over 2 weeks, this is still ongoing" were evaluated at the physician office visit. Therapeutic measures were taken as a result of back pain, myalgia, nerve compression, arthralgia, muscle spasms, neuralgia, menstruation delayed, heavy menstrual bleeding, menstrual disorder.  Additional information: The patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine. No relief of right shoulder blade pain until the patient went to a massage therapist twice. After the second shot this whole event lasted 6 weeks of which she missed a couple days of work due to the pain that started at the right shoulder blade and radiated down to the elbow and wrist. She wore an elbow brace for a few days as well for compression. Prior to vaccination, the patient was not diagnosed with COVID-19. Since the vaccination, the patient has not been tested for COVID-19.   No follow-up attempts are possible. No further information is expected.