intensity in my stomach that demanded the toilet RIGHT NOW. Barely able to make it to the toilet, the brown rains showered pure liquid for a long while; I noticed I was hot, but then I got chilled to the point I needed a sweater, only to be hot like five minutes after putting it on.; my left arm feeling sore; I have had pins and needles sensation running down my right arm, more towards the pinkie side of my hand and down into my big toe, but mostly in my right arm and hand.; almost like dead weight/I am still having numbness in my right arm and hand.; I have not had much of an appetite after the injection either, which is odd; I had a metallic taste in my mouth that would come and go for the rest of that day; This is a spontaneous report from a contactable other healthcare professional, the patient. A 40-year-old non-pregnant female patient received the first dose of BNT162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Lot Number: UNKNOWN) via an unspecified route of administration in the left arm on 06Apr2021 at 14:15 (at the age of 40-years-old) as a single dose for COVID-19 immunisation. Medical history included thyroid, had a bad accident at 19, disc herniation and arthritis, allergies to shellfish and egg whites. Concomitant medications included gabapentin (MANUFACTURER UNKNOWN), loratadine (MANUFACTURER UNKNOWN) and thyroid (ARMOUR THYROID); all on unknown dates for unknown indications. The patient previously received cholestyramine (MANUFACTURER UNKNOWN), mesalamine (PENTASA) and metoclopramide (REGLAN); all on unknown dates for unknown indications and experienced drug allergy. Prior to the vaccination, the patient was not diagnosed with COVID-19. Since the vaccination, the patient had not been tested for COVID-19. The patient did not receive any other vaccines within four weeks prior to the vaccination. On 06Apr2021 at 14:20, within five minutes, the patient had a metallic taste in her mouth that would come and go for the rest of that day. The next morning, on 07Apr2021, she woke up to her left arm feeling sore, almost like dead weight when she first woke up, but the sensations returned. In her right arm, since the previous day on 07Apr2021 and into day of reporting (today), she have had pins and needles sensation running down her right arm, more towards the pinkie side of her hand and down into her big toe, but mostly in her right arm and hand. This morning on 08Apr2021, when she woke up, she was showering and instantly had to leap from the shower due to an intensity in her stomach that demanded the toilet right away. The patient was barely able to make it to the toilet, and reported 'the brown rains showered pure liquid for a long while'. Once off the toilet, she noticed she was hot, but then she got chilled to the point she needed a sweater, only to be hot like five minutes after putting it on. She had not had much of an appetite after the injection either, which was odd. She was still having numbness in her right arm and hand. The events resulted in doctor or other healthcare professional office/clinic visit. It was unknown if the patient received any treatment for the reported events. The clinical outcome of the events metallic taste, left arm feeling sore, almost like dead weight, pins and needles sensation running down the right arm were recovered with lasting effects on an unknown date on Apr2021 while the events intensity in stomach, she was hot, but then she got chilled to the point she needed a sweater, only to be hot like five minutes after putting it on were recovered with lasting effects on 08Apr2021 and the outcomes of the events loss of appetite and numbness were not recovered at the time of reporting.   No follow-up attempts are needed; information about lot/batch number cannot be obtained.