This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient. A 34-year-old female patient (not pregnant) received BNT162b2 (BNT162B2), on 26Jan2022 at 14:00 as dose 3 (booster), single (Lot number: Fj6369) at the age of 34 years, in right arm for covid-19 immunisation. The patient's relevant medical history included: "COVID-19" (unspecified if ongoing), notes: If covid prior vaccination : Yes. There were no concomitant medications. Past drug history included: Cephlex, reaction(s): "Known allergies : Cephlex". Vaccination history included: BNT162b2 (Dose Number: 2, Batch/Lot No: Er8732, Location of injection: Arm Left, Vaccine Administration Time: 12:00 PM), administration date: 29Mar2022, when the patient was 34-year-old, for COVID-19 Immunization; Bnt162b2 (Dose Number: 1, Batch/Lot No: EW0158, Location of injection: Arm Left, Vaccine Administration Time: 01:00 PM), for COVID-19 Immunization, reaction(s): "eyes were swollen shut", "facial pain", "inflammation of my eye suckers and cheekbones". No other vaccine in four weeks and No other medications in two weeks. The following information was reported: ALOPECIA (non-serious) with onset 07Feb2022 at 18:00, outcome "not recovered", described as "Soon after my booster shot, 60 percentage of my hair fell out, i now have huge bald spot by my hair line and significant widening of my part."; ONYCHOCLASIS (non-serious) with onset 07Feb2022 at 18:00, outcome "not recovered", described as "my healthy nails splitting"; TRICHORRHEXIS (non-serious) with onset Feb2022, outcome "not recovered", described as "hair breakage a week after the booster". The event "hair breakage a week after the booster" required physician office visit. Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were not taken as a result of onychoclasis, alopecia, trichorrhexis. Additional information: The patient stated that soon after her booster shot, 60 percentage of her hair fell out, now have huge bald spot by her hair line and significant widening of part. The patient never had alopecia or hair loss issues before and she stated that her hair was long, curly, thick and healthy, no heat, or damage or dye. She noticed hair breakage a week after the booster. Then significant shedding of 60-70 Percentage of her hair falling out 6 months later. Patient's bald spot will not grow back. She was not positive she have alopecia but that's what it seems like. Around this same time she first noticed her healthy nails splitting and becoming extremely too. The patient did a full blood and urine test to rule out a thyroid which also she never had and results all came back normal. It wasn't until after her booster shot that she lost hair. But, after 1st vaccine, her eyes were swollen shut and had severe facial pain and inflammation of her eye suckers and cheekbones that lasted 2 weeks. Events resulted in doctor or other healthcare professional office/clinic visit. Patient had covid prior vaccination and no covid tested post vaccination. No other medical history patient fully healthy, besides she was going bald now. No Follow-up attempts are possible. No further information is expected. Sender's Comments: Linked Report(s) : PFIZER INC-202201095010 Same patient/drug, different event sep in time;