Awoke around 11pm 1/28 with aches, chills, severe headache, weakness, dizziness, and nausea; Awoke around 11pm 1/28 with aches, chills, severe headache, weakness, dizziness, and nausea; Awoke around 11pm 1/28 with aches, chills, severe headache, weakness, dizziness, and nausea; Awoke around 11pm 1/28 with aches, chills, severe headache, weakness, dizziness, and nausea; Awoke around 11pm 1/28 with aches, chills, severe headache, weakness, dizziness, and nausea; Awoke around 11pm 1/28 with aches, chills, severe headache, weakness, dizziness, and nausea; could not regulate my temperature; fluctuated between being diaphoretic and cold to being overheated; fluctuated between being diaphoretic and cold to being overheated; fluctuated between being diaphoretic and cold to being overheated; I did experience an episode of nearly passing out sometime during the night; Fatigue throughout the day increased.; This is a spontaneous report from a contactable other Health Professional reported for herself. A 28-years-old female patient received dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE), via an unspecified route of administration in left arm on 28Jan2021 10:00 at single dose for COVID-19 immunization. Medical history included SLE (systemic lupus erythematosus), asthma (mild), PTSD (post-traumatic stress disorder), anxiety, ADHD (attention deficit hyperactivity disorder), allergy to egg whites, allergy to bee stings and diagnosed with COVID-19 prior to vaccination. Concomitant medication included desvenlafaxine succinate (PRISTIQ), methylphenidate, hydroxychloroquine sulfate (PLAQUENIL), clonidine received within 2 weeks. The patient previously took escitalopram oxalate (LEXAPRO) and experienced Allergy to lexapro, sertraline hydrochloride (ZOLOFT) and experienced Allergy to Zoloft, quetiapine fumarate (SEROQUEL) and experienced Allergy to seroquel, erythromycin and experienced Allergy to erythromycin. On 28Jan2021, the patient experienced fatigue throughout the day increased. The patient developed headache. Awoke around 28Jan2021 23:00 with aches, chills, severe headache, weakness, dizziness, and nausea. She did not feel she could move safely to retrieve OTC medications for these symptoms which were far worse than any illness she can recall having. She likely would have went to the ER for help but she couldn't have driven herself and her kids were home. She did not want to call 911. On 28Jan2021 23:00, she did experience an episode of nearly passing out sometime during the night when she attempted to sit up on the edge of the bed to take some Tylenol. She could not regulate her temperature as she fluctuated between being diaphoretic and cold to being overheated. In the morning she finally felt well enough to go to her medicine cabinet downstairs and decided to essentially sedate herself for the day with Benadryl, Xanax, zofran, Tylenol, and ibuprofen. She then slept from about 10am until about 5pm. She felt considerably better upon waking up, with just fatigue, nausea, and headache. The report was reported as non-serious. The patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine. The patient was not pregnant. Since the vaccination, the patient had not been tested for COVID-19. The outcome of the events fatigue, nausea and headache was not resolved and the outcome of the other events was resolving.  Information on the lot/batch number has been requested