Caller is unable to receive her monthly osteoporosis injections; dizziness; This is a spontaneous report from a contactable consumer (Patient, self-reported). A 79-years-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Solution for injection, Batch/Lot number was not reported), via an intramuscular route, administered in Arm Right on 28Jan2021 07:50 as UNKNOWN, SINGLE for covid-19 immunisation. Patients medical history included hypertension, sleep disorder, blood cholesterol abnormal, acid base balance abnormal, osteoporosis, hypersensitivity, seasonal allergy, allergy to animal dogs, allergy to animal cats, dust allergy, vertigo, inner ear disorder, compromised immune status, obesity, endocrine abnormalities (including diabetes), genetic / chromosomal abnormalities, respiratory illness and diagnosed allergies. Concomitant medications included melatonin taken for sleep disorder and amlodipine 5mg once daily, taking for 3 years taken for hypertension. Patient did not receive other vaccine in four weeks of vaccination. Patient did not have adverse event prior to vaccination. Patient stated that, she was unable to receive her monthly osteoporosis injections. she just had her first Pfizer vaccine today. She supposed to get a shot called Evenity, in each arm monthly for osteoporosis. How long do I need to wait after receiving the Pfizer vaccine she was suppose to have it last week and the Nurse said I should wait. She did have a reaction that was not too bad. She was dizzy about 20 minutes after getting it. They took her blood pressure and heart rate and they were a little high. They rechecked it twice and it went down a little bit. It is still a little elevated. They were more concerned it was too low, but it was not. That is not her main reason for the call though. She would like to know how long does she need to wait before she can get her Evenity injection. There was no prescriber. It was an initiative for her age group. (Hospital name) is the place that send her an invitation by email and they were sending to people over age 75. They did not give her a card yet, just 3 pages about the vaccines. Her next appointment is 3 weeks from today. She had to go to bed earlier. She only has taken it 3 times. She did not even sleep well with it. She is on blood pressure medication, cholesterol and acid blockers but was on all prior to taking. She took Melatonin the night prior, but said she has only taken it 3 times over the last 2 months. She still did not sleep that well. She did not have a lot or expiration to provide. She usually takes the blood pressure medication before she goes to bed. She did not take it last night and she took it this morning, which is not her usual habit. It is Amlodipine 5mg and is in a pharmacy vial with no lot or expiration. When she had Shingles vaccine a couple of years ago, she had a rash after the first one on her arm. After the second one, it was worse on her arm and face and she had a headache. It was the new Shingles vaccine and she does not remember the name or manufacturer. She did not have a lot or expiration for either dose. It was given probably on the left arm. medical history including but not limited to these conditions diagnosed allergies, compromised immune status, respiratory illness, genetic / chromosomal abnormalities, endocrine abnormalities (including diabetes) and obesity. She does have a lot of allergies. Most of them are environmental such as seasonal allergies, dog and cat air, dust and mold. She does have a history of Vertigo caused by an inner ear problem. In the last 7 years, she has had 3 occasions of vertigo. On an unspecified date, the patient experienced caller is unable to receive her monthly osteoporosis injections and on 28Jan2021 08:10 (20 minutes of the vaccination), dizziness. Outcome of the event caller is unable to receive her monthly osteoporosis injections was unknown and for dizziness was recovering.   Information on lot/batch number has been requested.  Follow-up (19Apr2021): This follow-up is being submitted to notify that the lot/batch number is not available despite the follow-up attempts made. Follow-up attempts have been completed and no further information is expected.