I am having trouble how to walk; I got these cramps on y legs and it hurts; my joint, the muscle cramp I am getting on my thighs; I am having trouble how to walk; I got these cramps on y legs and it hurts; my joint, the muscle cramp I am getting on my thighs; I am having trouble how to walk; I got these cramps on y legs and it hurts; my joint, the muscle cramp I am getting on my thighs; This is a spontaneous report from a non-contactable consumer or other non hcp (patient). A patient of unspecified age and gender received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE solution for injection), via an unspecified route of administration on an unspecified date (Batch/Lot number was not reported) as dose 1, single for covid-19 immunization. Medical history included that patient was allergic person. The patient's concomitant medications were not reported. After receiving the vaccine, the patient experienced trouble how to walk, cramps on my legs and it hurts, joint, the muscle cramp on my thighs  on unspecified date.The patient did not received treatment for the events When probed for concern, Consumer stated, That is the concern that I have and that is all that is going on and it did not start until after I had the shot. Consumer added that was aware, she gave me the shot,  told that it got  on the legs, got these cramps on y legs and it hurts : Consumer added,  the joint, the muscle cramp are getting on the thighs. The consumer took the shot and  did not take no medicine. Consumer confirmed it was Pfizer Covid19 vaccine and the consumer was re-porting for herself. Consumer added, don t know what to do, actually wanted to report it and  questioned if it needs to taken again because the patient was not going to deal with this right now. the consumer a called because they had it on paper give me the number and not going to deal with it going around the world. When informed the role of Pfizer Drug Safety, Consumer stated, You document for human, You said you document the experience of the human, Why would I give it to a  human if I it has possible side effects. When probed for LOT#, Consumer stated, It can't be pro-vided anything because it  doesn't have it. Treatment: No because I am not supposed to, If I took a medicine, I don't know its effect, So I can't take something that I don't know about, there was nothing wrong before  I go for the shot, it came mostly to take the shot and I am looking at as I took the shot, yes I took the shot and ask for the paper they didn't give it to you, They don't give it to you, they ask for the paper, Please tell what I need to do?, Because I want to know what I have to do as I am allergic person, I don't know. While providing the number for medical information department, Consumer added, I already have the paper in front of me. That is not what I am calling about. I am calling to report it, So, when I go back over there, I don't know which are the effect. When asked for permission to probe questions, Consumer stated, Is this an experiment course, I just don't know if you just come out experiment on humans. You have a legal department, just give that because the patient was going all around, just experimenting on me. I need to talk to the legal department, You just said we experiment on humans and I do not need that on me. I need to talk to your people, are you still there, you still there, I can't hear you, Now you hang up. Consumer was not able to hear the call handler and hung up the call abruptly. Hence, limited information available. Thus, product details (LOT#, NDC#, UPC# and Expiration date) and pharmacy details could not be probed over the call. No follow-up attempts are possible; information about lot/batch number cannot be obtained. The outcome of the events was unknown.  No follow-up attempts are possible; information about lot/batch number cannot be obtained.