hands started shaking and her teeth were chattered together and she had shaking in the legs; hands started shaking and her teeth were chattered together and she had shaking in the legs; hands started shaking and her teeth were chattered together and she had shaking in the legs; got sick after the vaccine; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the parent.  A 11-year-old female patient received bnt162b2 (BNT162B2), administration date 11Feb2022 (Lot number: FL8094) at the age of 11 years as dose 1 (tris), single for covid-19 immunisation. Relevant medical history included: "dairy and milk allergy" (unspecified if ongoing), notes: Verbatim: dairy and milk allergy; "colitis" (unspecified if ongoing), notes: Patient had colitis. There were no concomitant medications. Vaccination history included: Dtap vaccine (it was the DTap vaccine. it made her allergy to milk worse.), for Immunization, reaction(s): "allergy to milk worse". The following information was reported: CHILLS (non-serious), TREMOR (non-serious), LIMB DISCOMFORT (non-serious) all with onset 01Mar2022 10:00, outcome "recovering" and all described as "hands started shaking and her teeth were chattered together and she had shaking in the legs"; ILLNESS (non-serious) with onset Feb2022, outcome "unknown", described as "got sick after the vaccine". The events "hands started shaking and her teeth were chattered together and she had shaking in the legs", "got sick after the vaccine", "hands started shaking and her teeth were chattered together and she had shaking in the legs" and "hands started shaking and her teeth were chattered together and she had shaking in the legs" were evaluated at the physician office visit. Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were taken as a result of illness.  Additional Information: The reporting mother stated that her children who received the 1st 5 to 11 formulation, orange cap pediatric dose on 11Feb2022 and were supposed to go back for the second dose on Saturday. Reports shaking in both her daughters hands and teeth chattering. Daughter is 11 years old. Mother confirmed above information and adds her daughter's had school and her hands started shaking and her teeth were chattering together and she had shaking in the legs and she stayed at school. Her leg would shake when she would lift it up. She did not know about this till later of course. It all started this past Tuesday. It has continued and her daughter says it has improved. She confirms it started 01Mar2022. The teeth were still chattering, but the hands and leg shaking has definitely improved. The teeth chattering is not as hard.  Her daughter also got sick after their first dose after the vaccine and was placed on antibiotics, a Z-pack. She started that on 17Feb2022 and was on that for five days. She was unable to provide NDC, lot or expiry, she has discharge papers and on the box there is a pharmacy label, that is the only thing she has left from the box came which came in a bag and there isn't anything on the bag. Her daughter has a dairy allergy and milk allergy other than that she is healthy. She brought her daughter to the doctors yesterday and they did a Covid and Flu test and that was negative. The also did some blood work and another swab she is unsure what it was for but those results are not back yet. The doctor also ordered a CT scan but that has not been scheduled yet. That is done at the local hospital and she needs an appointment to for it, confirms it has not been scheduled yet. The doctor also did a neurological exam and had her follow the doctors finger and that was fine. Her daughter said it happened sometime before lunch about 10:00am. They got sick after they got the vaccine and started antibiotics for 6 days, even though it was probably viral. She was asking if because they got sick after getting the vaccine, could it have stormed into something. It was reported that the patient had colitis after receiving some shots, never confirmed officially but that is when she develop a milk allergy. mother states she believes it was the DTap vaccine. it made her allergy to milk worse. Her daughter was 3.5 years old. Relevant Tests: Covid test: Negative, Flu test: Negative, another swab unable to confirm the type: pending, blood work unable to confirm which type of labs: pending, and a CT scan: not scheduled yet. Prior Vaccinations (within 4 weeks): no. Other conditions (unspecified), diagnosed when she was about three and a half years old, so either in Jan2014 or Feb2015.  No follow-up attempts are possible. No further information is expected.