Second Dose: super severe periods, they got really really heavy, to the point she wanted to go to hospital because of the clots; Second Dose: super severe periods, they got really really heavy, to the point she wanted to go to hospital because of the clots; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 28 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 14Apr2021 (Lot number: EW0162) at the age of 28 years as dose 2, single for covid-19 immunisation. Relevant medical history included: "Asthma" (ongoing), notes: Additional Information for Other Conditions: Age 5; "Epstein-Barr virus infection" (ongoing), notes: Additional Information for Other Conditions: Age 19. There were no concomitant medications. Vaccination history included: Bnt162b2 (Dose Number:01, Lot: EL9264, Time the Vaccination Was Given: 10:45am, Anatomical Location of Administration of Pfizer vaccine considered as suspect: Arm Left, Verbatim:her toes are completely numb and she has loss of feeling in them, they are white), administration date: 17Mar2021, when the patient was 28 years old, for Covid-19 Immunization, reaction(s): "her toes are completely numb and she has loss of feeling in them, they are white", "she has a mottled skin color on her legs, they are purple", "increased and aggravated her migraines", "skin rash/the rash is oozing yellow and gross and somedays it really hurts", "Skin rash/the rash is oozing yellow and gross and somedays it really hurts", "Leg numbness". The following information was reported: THROMBOSIS (medically significant), HEAVY MENSTRUAL BLEEDING (non-serious) all with onset 12May2021, outcome "not recovered" and all described as "Second Dose: super severe periods, they got really really heavy, to the point she wanted to go to hospital because of the clots". Therapeutic measures were taken as a result of thrombosis.  Clinical course: She reported side effects from the vaccine, it took her a while to report them, but she got vaccinated in March and had adverse reactions. PCP: Declines to provide information. she had super severe periods, they got really really heavy, to the point she wanted to go to hospital because of the clots. she has never had anything like that. Caller clarifies this was after the second dose and her toes are completely numb and she has loss of feeling in them, they are white. she has never had this issue before she is super healthy and this occurred after the first one. she has a mottled skin color on her legs, they are purple and states since she got the vaccine, within a day or two, she got a skin rash and has it ever since. Caller states the rash is oozing yellow and gross and somedays it really hurts. Caller states she knows it is a Pfizer thing because several people she knows that got it, now have eczema. Caller states this occurred after the first one and the vaccine has increased and aggravated her migraines and she had a 3 day severe migraine. Caller states she should have went to the hospital, it was super bad, the worst migraine of her life. Clarifies this was after the first dose. Caller states on the day of her first vaccine, her leg went numb for ten minutes. Caller states she will never be getting another Pfizer vaccine and she wishes she had never gotten the Covid vaccines.The patient did not received any vaccine prior with in 4 weeks ,The patient did not required to visit physician or emergency room informed to eurologist about increased Migraines and Dermatologist.   No follow-up attempts are possible. No further information is expected.