Second dose: when admitted to hospital, found out had blood clots in legs and lungs; Second dose: Developed from that a severe headache; Second dose: Had a more severe reaction after receiving second dose; Second dose: Throat was going to close up; This is a spontaneous report from a contactable consumer. This 65-Year-old female consumer (Patient) reported that: A 65-year-old female patient received second dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: solution for injection, Batch/Lot Number: EN6208), via an unspecified route of administration, administered in Arm Left on 05Apr2021 at 09:05 (at the age of 65-year-old) as single dose for covid-19 immunisation.  The patient had a steroid injection, has allergies to medication, and had a reaction occurred a couple of years ago.  Patient had no family history, and no relevant test was performed. Concomitant medication(s) included paracetamol (TYLENOL) taken for an unspecified indication from 04Apr2021 to an unspecified stop date. Patient was not administered any vaccine on same day. The patient was not received any other vaccine four weeks prior vaccination. The patient's historical vaccine included first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: solution for injection, Batch/Lot Number: EN6200), via an unspecified route of administration, administered in Arm Left on 15Mar2021 (at the age of 65-year-old) as single dose for covid-19 immunisation and experienced the events Had a severe reaction from first dose, Was sick for about a week behind the first dose with slight headache, Just weak and tired. The patient was taken to the emergency room. The paramedics had to come to the vaccination site and give the caller mediations there. The patient needed more done and was taken to the hospital. The patient stated she was in bed for about what seemed like a month or at least three weeks until she went to get the second dose Pfizer Covid Vaccine. On 05Apr2021 the patient received the second dose Pfizer Covid Vaccine. The caller's primary care doctor said it should be okay and told the patient to take Tylenol. The patient took Tylenol the night prior and the morning of the second dose Pfizer Covid Vaccine on 05Apr2021. The caller shared with the persons at the vaccination site what occurred after the caller received the first dose Pfizer Covid Vaccine and the caller was taken to a cot to lay down on just in case. The patient had a more severe reaction with the second dose Pfizer Covid Vaccine on 05Apr2021. The patient's throat was going to close up on 05Apr2021 patient can't remember the name of the reaction that the persons at the site specifically called the reaction. The paramedics came and gave the patient an epi pen and Benadryl and all of that, even when fire department got there, nothing used worked. Took the patient to the hospital for the night and the next day the caller came home. She developed from that a severe headache the patient was sick with severe headache ever since 05Apr2021. When admitted to the hospital is when the patient found out she had blood clots in her legs and lungs on unspecified date. If the caller had not been admitted to the hospital, she would probably not be here. The caller was in the hospital from 22Apr2021 to 15May2021, about three weeks. Dates documented as provided by patient. The patient states the hospital was trying to dos something to help the patient with the headaches and get the blood clots under control. Got the blood clots somewhat under control but nothing helped the headaches. Today, the caller is still suffering from severe headaches, debilitating and can't really do anything 24/7. When the patient received the second dose Pfizer Covid Vaccine the headache was more intense, it worsened. patient clarified date of hospitalization was 29Apr2021 to either 13May2021 or 15May2021. The caller states the headache is the major thing. The headache is limited to what the caller can do. The caller has physical therapy coming in twice a week. The patient underwent lab tests and procedures which included chest x-ray: unknown result on unspecified date, computerised tomogram: unknown result on unspecified date, magnetic resonance imaging: unknown result on unspecified date, ultrasound scan: unknown result on unspecified date, ultrasound scan: unknown result on unspecified date. Therapeutic measures were taken as a result of the events Had a more severe reaction after receiving second dose and Throat was going to close up with epi pen and Benadryl. The outcome of the events Had a more severe reaction after receiving second dose and Second dose: Throat was going to close up was unknown, Second dose: when admitted to hospital, found out had blood clots in legs and lungs was recovering and Second dose: Developed from that a severe headache was not recovered.   No follow-up attempts are possible. No further information is expected.