Light headedness/ Dizzy; Equilibrium was way off/ he was wobbly; Nauseous; Mild case of vertigo; he ached; felt terrible/ yucky feeling; Stayed down all the day/ he was wobbly; This is a spontaneous report from a contactable consumer (patient). A 78-years-old male patient received bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE), dose 1 via an unspecified route of administration, administered in Arm Left on 13Jan2021 17:20 (Batch/Lot Number: EL3249) as single dose for COVID-19 immunisation. Medical history included tinnitus, Blood pressure, Gout, Cholesterol, Acid Reflux. Concomitant medication(s) included lisinopril (LISINOPRIL) taken for blood pressure abnormal from an unspecified start date and ongoing; aspirin [acetylsalicylic acid] (ASPIRIN) taken for an unspecified indication from an unspecified start date and ongoing; atorvastatin (ATORVASTATIN) taken for blood cholesterol abnormal from an unspecified start date and ongoing; allopurinol (ALLOPURINOL) taken for gout from an unspecified start date and ongoing; omeprazole (OMEPRAZOLE) taken for gastrooesophageal reflux disease from an unspecified start date and ongoing. No prior vaccinations within 4 weeks. No history of previous immunizations with the Pfizer vaccine considered as suspect, this was the first dose. No additional vaccine administered on same date of the Pfizer suspect. On 13Jan2021, the patient received the vaccine. He clarified the reaction as, on Saturday 23Jan2021 all of a sudden it was quick he got real light headed, dizzy, he felt like his equilibrium was way off. He felt like he had a mild case of vertigo. He was wobbly, he ached, and felt terrible. It was a yucky feeling. He also felt nauseous, and it went away soon as he ate. He had never had a feeling like that before. He stayed down all day. He noticed all these events that occurred on Saturday 23Jan2021 started late morning around 10-11 in the morning. By the afternoon he was on his back for the rest of the day. It knocked him for a loop. Sunday 24Jan2021 he woke up and felt a little better. He still had some of the symptoms, but they were milder and kept getting milder through out the day. By Sunday afternoon they were almost gone and by Monday 25Jan2021 he felt normal and great. Tuesday 26Jan2021 these same feelings hit him again, but not the same way and was not as bad. Then 27Jan2021, they were gone and he felt fine. He went to the doctor's office yesterday (27Jan2021). The doctor thought he was having an inner ear problem. He has a history of tinnitus and the doctor thought this was causing the light vertigo symptoms. He was light headed, wobbly. He was prescribed Meclizine-25mg one tablet by mouth three time a day. Now, today, 28Jan2021, he woke up this morning and he had the same feelings again. He was wobbly. He had the same feelings that he experienced on Saturday 23Jan2021. However, they were milder. He felt like it is a little vertigo. He did not feel stable. He had never had anything like this happen before. The patient stated he is pretty healthy for his age. he is very active. He usually plays golf, but has not recently. The patient believes he is having a reaction from vaccine, he is not sure, but he is having some of the symptoms. The doctor provided him with medication, but he has not started it yet. He does not know if he should. Caller is thinking these events are related to the shot. He is due to get his second shot on 03Feb2021. Outcome of the events was not recovered.