Losing her mind/ mental fog; No appetite and went 32 hours without eating/He stated she's lost her appetite; heard in the background stating the COVID-19 Vaccine screwed up her mind; Headache; Eyes hurt/Her eyes felt like they were going to pop out; Feels tired and weak; Feels tired and weak; can't think straight; pain in head and stomach; change of mood; altered mental status and nightmares; altered mental status and nightmares; she is so mean to everybody /  not acting normal; her eyes felt like they were going to pop out; Suicidal thoughts/thinking of committing suicide; This is a spontaneous report from a contactable consumer from a Pfizer sponsored program.   A 67-year-old female patient received second dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection; Lot Number: EL267, expiry date 31May2021) via an unspecified route of administration, at the age of 67-year-old, on 24Feb2021, as SINGLE DOSE (0.3mi as reported) for COVID-19 immunisation.  Medical history included type 2 diabetes mellitus and ongoing allergy to penicillin. There were no concomitant medications.  The patient received the first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection; lot number EL9265, expiry date 31May2021) via an unspecified route of administration, on 03Feb2021, single dose for covid-19 immunisation wherein the patient had to got to Emergency room and it was found that her magnesium and potassium were low. The patient had a super bad reaction to the Pfizer vaccine. Patient's mind has not been normal ever since and she is so mean to everybody. The patient was fine until she got the vaccine. The reporter has had the ambulance and police up there to try and help but the caller wouldn't go out to the hospital. The patient had a normal mind before she got the shot. The patient has a bad headache that will not go away (8 days) and her eyes are hurting really bad/eye pain/ eyes hurt. She feels so tired and weak. The second COVID-19 Vaccine messed the patient up. She had the same symptoms for both first and second dose (unspecified symptoms), but the second dose has really messed up her mind. Patient probably won't have a mind. It was reported that the patient's mind was alright, but the second COVID-19 Vaccine did her in. Now patient is saying she won't get her mind back. It has messed up her mind. Clarified when caller states it messed up her mind, he is referring to the patient being mean. Stated patient did have a headache, but wasn't hateful. Stated patient's mind is so bad, she is just mean. If patient doesn't get help soon she is going to tell herself good night. Patient stated in background "If I don't get my mind back I'm going to end up killing myself because he made me." At 11PM last Wednesday (24Feb2021), patient starting losing her mind. Confirmed with caller that patient is currently having suicidal thoughts. Patient used to be a real nice lady and blames this on the COVID-19 Vaccine. Patient is afraid she is not going to get her mind back. Advised caller to seek emergent medical attention for the patient. Patient is against everybody now because of the crazy COVID-19 Vaccine. Patient heard in the background stating the COVID-19 Vaccine screwed up her mind. Caller stated patient is quite upset with everybody. Patient is not acting normal.  Patient doesn't think her mind will ever get straightened. The medicine was too much for her body. After getting the second dose, the patient lost her mind, she's lost her appetite/ No appetite and went 32 hours without eating, can't think straight, altered state of mental, mental fog, pain in head and stomach, change of mood, nightmares, her eyes felt like they were going to pop out. Her doctor said it was probably an overdose. The patient was not like this prior to second dose. Outcome of the event was unknown. The reporter believes her mental fog is due to second dose of vaccine.