This is a spontaneous report from a contactable healthcare professional and consumer. A 38-year-old female patient (Age at time of vaccination 38-years-old) received third dose of BNT162B2 (BNT162B2) via an unspecified route of administration, administered in Arm Left on 14Aug2021 at 12:00 (Batch/Lot Number: FA7484) as DOSE 3 (BOOSTER), SINGLE for Covid-19 immunisation. Medical history included allergic reaction to analgesics (known allergies: Some NSAIDS), hypertension, asthma and headache (I had a headache prior to the third vaccine). The patient received first (DOSE 1, SINGLE Lot Number: UNKNOWN) and second (DOSE 2, SINGLE Lot Number: UNKNOWN) doses of BNT162B2 both on unspecified dates. Prior to the vaccination, the patient was not diagnosed with COVID-19. The patient did not receive any other vaccines within four weeks prior to the vaccination. Concomitant medications included ibuprofen, colchicine, Azilsartan kamedoxomil (EDARBI) all taken for unspecified indications, start and stop dates were not reported. The patient experienced pseudotumor cerebri on 2021, ran a low grade fever on 17Aug2021, severe left chest pain/ chest pain on 17Aug2021, twitching started in left eye/twitching in my left, all of my left side of my body on Aug2021, ear pain on Aug2021, headache on 2021. It was reported that on 17Aug2021, the patient had a low grade fever for 1 week. On an unknown date in Aug2021, the next week, the patient had severe left chest pain and twitching started in his left eye and had not stop since and ear pain. The events resulted in doctor or other healthcare professional office/clinic visit and emergency room/department or urgent care. Since the vaccination, the patient had not been tested for COVID-19. Therapeutic measures were taken as a result of the events which included treatment with unspecified over the counter pain medications and steroids. Consumer stated, "I am calling because I received the booster vaccine or the third shot on 14Aug2021 (not clarified). I went to my local # and they stated I qualified for the vaccine due to pseudotumor cerebri and 'after' getting a shot, I have been having, I have been at the emergency room and I have been having severe chest pain and twitching in my left, all of my left side of my body and they are saying that they do not see anything but since I had the shot, that has developed. So, I want to know what can I do because the chest pain have been going on full month and I had a headache prior to the third vaccine." As of 20Sep2021, the patient stated that she received her booster dose of the Pfizer BioNTech Covid-19 vaccine and ever since has been having left sided bad chest pain and eyes twitching. She also stated that it is hard to talk on an unspecified date because her chest hurts. She had been to the ED and they don't see anything that is wrong and told her to wait it out. The patient was seeking information if any HCP recommendations who maybe able to help her. The patient underwent lab tests and procedures which included Blood work (blood test): unknown results on an unspecified date (I had my blood work done, due to the chest pain), Fever (body temperature): unknown results on an unspecified date, Echo (echocardiogram): unknown results on an unspecified date (I had a echo done for the heart and head), MRI (magnetic resonance imaging): unknown results on an unspecified date and x-ray: unknown results on an unspecified date. Therapeutic measures were taken as a result of ran a low grade fever, severe left chest pain/ chest pain, twitching started in left eye/twitching in my left, all of my left side of my body and ear pain. Outcome of the event Ran a low grade fever was recovered on 24Aug2021. Outcome of pseudotumor cerebri, headache and hard to talk was unknown. Outcome of severe left chest pain/ chest pain, twitching started in left eye/twitching in my left, all of my left side of my body and ear pain was not recovered.  Follow-up attempts are completed. No further information is expected.  Amendment: This case is being submitted to notify that the follow-up information for this case was received by the company on 18Sep2021.  Additional information received on 20Sep2021 from a contactable consumer includes event details (added hard to talk, deleted extra dose administered and off label use and course of events).  Follow-up attempts are completed. No further information is expected.