miscarriage; enlarged liver; Elevated liver enzymes; Elevated CRP and IL-6; Elevated CRP and IL-6; Can't lose weight; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 27-year-old female patient (not pregnant) received BNT162b2 (BNT162B2), on 06Oct2021 as dose 2, single (Lot number: FF8839) at the age of 26 years, in left arm for covid-19 immunisation. The patient's relevant medical history included: "known allergies: Nickel allergy" (unspecified if ongoing). There were no concomitant medications. Vaccination history included: tdap vaccine (Dose Number: Unknown, manufacturer: Unknown), administration date: 04Jul2021, when the patient was 25-year-old, for Immunization; BNT162b2 (Dose 1, single, Lot number: FD8448, Location of injection: Arm Left), administration date: 15Sep2021, when the patient was 26-year-old, for COVID-19 Immunization, reaction(s): "abdominal cramps", "Dizziness", "Fever", "arm nerve pain/numbness", "arm nerve pain/numbness", "body aches/chills/pain", "body aches/chills/pain", "chest pain/cramps", "chest pain/cramps", "irregular EKG", "Extreme fatigue", "geographic tongue which has also been called Covid tongue". The following information was reported: ABORTION SPONTANEOUS (medically significant), outcome "unknown", described as "miscarriage"; HEPATOMEGALY (non-serious), outcome "unknown", described as "enlarged liver"; HEPATIC ENZYME INCREASED (non-serious), outcome "unknown", described as "Elevated liver enzymes"; C-REACTIVE PROTEIN INCREASED (non-serious), INTERLEUKIN LEVEL INCREASED (non-serious), outcome "unknown" and all described as "Elevated CRP and IL-6"; WEIGHT LOSS POOR (non-serious), outcome "unknown", described as "Can't lose weight". The event "can't lose weight" required physician office visit. The patient underwent the following laboratory tests and procedures: C-reactive protein: (unspecified date) Elevated; Electrocardiogram: (16Sep2021) Irregular; Hepatic enzyme: (unspecified date) Elevated; Interleukin level: (unspecified date) Elevated. Therapeutic measures were taken as a result of weight loss poor.  Clinical course: Other medical history was reported as No, completely healthy before this and now have a ton of health issues. Patient did not taken other medications in two weeks, but hot TDAP vaccine on 04Jul2021. Patient didn't have COVID prior vaccination and no COVID tested post vaccination. Patient had no other vaccine in four weeks. Reported that, Vaccine caused hyperactive immune system reaction to the COVID vaccine that is mimicking long COVID. Symptoms within hours of vaccine included abdominal cramps, dizziness, fever, fatigue, arm nerve pain/numbness, body aches/chills/pain, chest pain/cramps and an irregular EKG. All symptoms continued for months except fever and abdominal cramping, some still come and go but are not as prevalent. Extreme fatigue and arm numbness still bad. Have a geographic tongue which has also been called COVID tongue. Patient had a miscarriage a few months later, made her symptoms worse. Elevated liver enzymes and enlarged liver a few months later. Can't lose weight. Patient seen countless specialists. She was on Prednisone which helps a little. Elevated CRP and IL-6. AE Treatment included Low dose Naltrexone and Prednisone.