Headache; Fatigue; Mild achiness; Sinus infection; This is a spontaneous report from a contactable consumer (patient). A 74-years-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Solution for injection, Solution for injection, Batch/Lot Number: EN6199, Pfizer EW is 9W), via an unspecified route of administration, administered in Arm Left on 09Mar2021 as 1ST DOSE, SINGLE DOSE for covid-19 immunization. (Her son was telling her to get it. She is in a high risk group; since she was old).  Patient's Medical history included hypothyroidism (low functioning thyroid). patient said she was diagnosed with 10 years ago and it was found in a routine physical. She said the chemical that makes you produce thyroid medication was extremely high; it was 11 and it is supposed to be .25. She said her T3 and T4 were normal, but the luteinizing hormone was extremely high. That was a big long thing trying to get the dose right. Patient had musculoskeletal discomfort (hip is attached to the pelvis incorrectly on right side) Which was a birth defect and the muscle spasms come from the hip. It was not a problem and occasionally the muscles in the back spasm from it. She said she didn't know about it until her 40's. they could fix it but the doctors wouldn't. Patient also had osteoarthritis, patient Stated it was the wear and tear kind. she had this since her 60's, a long time but it had only bothered her since she hit her 60's. patient also had History of insomnia, muscle spasms, the muscle spasms come from the hip being attached to the pelvis incorrectly and blood cholesterol. All these conditions were ongoing. Sinusitis (Sinus infection) from Mar2021 to an unknown date, Sinus infections were from allergies and she has had them since her 20's. she finally had surgery about 6 or 7 years ago and it helped. they still occur now but they are not as frequent; gets them once a year only or 1 and a half years.  She used to be on antibiotics 6 months out of the year. She finally found that the doctor could do something. She also had hypersensitivity and surgery from an unknown date and unknown if ongoing. Concomitant medications of the patient included levothyroxine sodium (LEVOTHYROXINE SODIUM) taken for thyroid disorder, She was on 50mcg when she had the shot. They are constantly changing the dose; they can't seem to find the right dose either too high or low. Taking this for several years. She was on the wrong dose of the thyroid medication for the first dose too. She was on a dose that was not as much as she is supposed to take. Atorvastatin calcium (ATORVASTATIN CALCIUM, She says she had been taking this for 15 years or longer.) taken for blood cholesterol and orphenadrine citrate (ORPHENADRINE CITRATE) taken for hip deformity, muscle spasms taken from an unspecified start date and ongoing, She said she usually gets a quantity of 30 and it would last her about 8 months. She did not take often. She said she was not taking this muscle relaxer the time of the shot she took it for deformed hip and gets painful muscle spasms. He also took unspecified OTC vitamins from an Unspecified date and unknown if Ongoing. she went a week without them then took them. She said she thought they did not make any difference to the situation, took sporadically. No additional Vaccines Administered on Same Date of the Pfizer Suspect. Patient did not have any other vaccinations within four weeks prior to the administration date of the suspect vaccine was none. On 09Mar2021 patient experienced headache, fatigue, mild achiness and sinus infection on Mar2021. Patient reported that she had a severe reaction to second dose of Covid vaccine. she had a seizure on 09Apr2021, with no prior history. she was concerned about getting a booster shot. She wants to know if she should receive another vaccine from a different company. Also wanted to know what ingredient in vaccine caused this. Her first dose produced headache and fatigue. On 9Mar2021, he had mild headache, which was recovered on 11Mar2021, fatigue and mild achiness on the same day and recovered on 10Mar2021. Upon follow up patient reported that, she had a mild reaction after receiving the 1st dose of the Pfizer-BioNTech Covid-19 Vaccine. First and second doses of the Pfizer COVID-19 vaccine greater than 3 weeks apart. Upon follow up she said that, She had a mild reaction to the first shot, but it was not as bad as the flu shot reaction. She says for the first shot she had a mild headache that lasted 2 days, from 09MAR2021 until 11MAR2021. She says it was not as bad, it just persisted. She says after the first shot she had fatigue and mild achiness that both lasted one day, from 09Mar2021 to 10Mar2021. She says she recovered completely from all of these after the first shot. Her last sinus infection was the end of Mar2021, when the pollen started, after her first shot. It ended the end of Mar2021. She reported by the beginning of Apr2021 she had not symptoms but had to finish the drug/antibiotic. Reporter stated no and that the bloodwork just talked about the thyroid levels. She reported the doctor wanted to check electrolytes after she had seizure but did not mention anything aside from her thyroid. The patient underwent lab tests and procedures which included blood luteinising hormone increased to extremely high. On Apr2021 thyroxine extremely high, which was normal on unspecified date in Apr2021 and tri-iodothyronine was normal on Apr2021. Therapeutic measures were taken as a result of sinus infection (sinusitis). Event fatigue and pain were recovered on 10Mar2021, headache was recovered on 11Apr2021. sinus infection was recovered on an unspecified date of Apr2021. Reporter seriousness for the events were Unspecified.  Information on Lot/Batch number was available. Additional information has been requested.