she was so high/she was out of her mind; This is a spontaneous report from a contactable consumer (patient). A 67-years-old female patient received second dose of BNT162B2 (Pfizer-Biontech Covid-19 Vaccine, Formulation: solution for injection, Batch/Lot Number ER8736, expiration date: unspecified), via an unspecified route of administration, administered in left arm (left upper arm) on 17May2021 11:00 as single dose for covid-19 immunization. Previously the patient had first dose of BNT162B2 (Batch/Lot Number EW0161, expiration date: unspecified) via unspecified route of administration at left arm (Left upper arm) (at age of 67 years) on 26Apr2021 for covid-19 immunization. Medical history included chronic pain, foot operation on an unknown date. There was no family history relevant to adverse event. There was no adverse event prior vaccination. No prior vaccinations (within 4 weeks). No vaccines administered on same date with the Pfizer vaccine considered as suspect. The patient's concomitant medications were not reported. The patient previously took fentanyl and oxycodone. The patient was also given Dilaudid during the foot surgery. Patient stated she was a patient who has been on fentanyl and oxycodone for a couple years. She stated she recently had been in the hospital for surgery, and she was given Dilaudid and didn't bother her one bit. She stated medicine doesn't affect her, she got chronic pain. Patient stated within 3 or 4 hours, she was out of it, she couldn't get off the couch, she couldn't watch a movie. She stated if she wouldn't have come straight home, she wouldn't have been able to drive, she would have been in an accident. She stated she hated to imagine if she wouldn't have come home, they would have had to take her to the hospital. She stated it lasted for about 3 to 4 hours, she doesn't know what to say, she doesn't get high like that. Medical history was reported as she stated she was under the care of a gastro doctor. She stated she was having some problems, they were running a lot of tests, but that doesn't have anything to do with this. She states she had to have surgery recently, she wasn't walking at the time of the test, she was on wheels. She stated she had foot surgery, so she wasn't walking she was on a three wheeler and again if she wasn't home and was out when this happened, it would have been bad. She stated now, she's walking in a boot. She stated she was in a boot and a three-wheeler when it happened. She stated things turned out okay, she was high in her house safely. On 17May2021, 45minutes after getting the vaccination the patient felt so high that she was out of her mind, as if she had been somewhere it would have been horrible. The reporter reported that it was not like the patient slowly came down. The patient felt like she was higher than a kite then she was okay, and she thought what the heck happened to her. The patient did not had a hangover. Patient stated it was like it hit her, boom, then went away. Reporter stated that afternoon patient was okay, the next day she was okay. It was like something hit her, she had a reaction, and then she was okay. The patient mentioned it wasn't bad later on, wasn't bad the next day and she's fine now. There was no relevant test. No emergency and physician office visit. The outcome of the event was reported as recovered on 17May2021.  Follow-up attempts are needed. Further information is expected.