when I take a walk I would get real winded/ I am breathing harder; sometimes I felt like my blood sugar was dropping; I got weak and almost could not get home that happened 3 or 4 times; not feeling good; I am panicking; almost could not get home that happened 3 or 4 times; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A patient (no qualifiers provided) received BNT162b2 (BNT162B2), as dose number unknown, single (Batch/Lot number: unknown) for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. The following information was reported: PANIC REACTION (non-serious) with onset Mar2022, outcome "unknown", described as "I am panicking"; ASTHENIA (non-serious) with onset Mar2022, outcome "unknown", described as "I got weak and almost could not get home that happened 3 or 4 times"; LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (non-serious) with onset Mar2022, outcome "unknown", described as "almost could not get home that happened 3 or 4 times"; MALAISE (non-serious) with onset Mar2022, outcome "unknown", described as "not feeling good"; BLOOD GLUCOSE DECREASED (non-serious) with onset Mar2022, outcome "unknown", described as "sometimes I felt like my blood sugar was dropping"; DYSPNOEA (non-serious) with onset Mar2022, outcome "unknown", described as "when I take a walk I would get real winded/ I am breathing harder". The events "when i take a walk i would get real winded/ i am breathing harder", "sometimes i felt like my blood sugar was dropping", "i got weak and almost could not get home that happened 3 or 4 times", "not feeling good", "i am panicking" and "almost could not get home that happened 3 or 4 times" required physician office visit. Relevant laboratory tests and procedures are available in the appropriate section.  Additional information: The patient has been having some problems which started in Mar, when patient took a walk would get real winded, sometimes patient felt like my blood sugar was dropping, patient got weak and almost could not get home that happened 3 or 4 times. Well for the past week when the patient walks outside, going to the car, coming back to the house, walking to the mail box, walking back or standing or sitting and even talking patient short-winded or breathing harder. The patient was weak and not feeling good. The patient has been complaining to the doctors since Mar and finally got fed up and saw another doctor yesterday and they ordered an EKG and they have sent patient for an echocardiogram. The patient has been hearing on the news and some of the people, patient cousin says they do not know what's wrong with her, has something to do with the valve but they do not what it is. And the other person today said it has to do with one of his heart valves. So, patient panicked and wondering if the Pfizer test if that is the side effect, if people are starting to have breathing problems and if it has done damage to hearts and do not know if your lab have that.  No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.; Sender's Comments: Linked Report(s) : US-PFIZER INC-202201244771 same reporter/drug/event, different patients.;US-PFIZER INC-202201244772 same reporter/drug/event, different patients.;