tired; Third dose booster dose: 14Aug2021; Third dose booster dose: 14Aug2021; She felt totally wiped out; had trouble falling asleep; Nauseated; foggy; This is a spontaneous report from a contactable consumer. A 77-years-old female patient received third dose of bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Solution for injection; Batch/Lot number: FC3181, Expiry date was not reported), via an unspecified route of administration, administered in Arm Left on 14Aug2021 12:30 (Age at vaccination 77-years-old) as dose 3, single for covid-19 immunisation. Medical history included sinus issues, allergies since she was a teenager- always walking around with kleenex in her pocket from an unknown date and unknown if ongoing. Concomitant medications included budesonide (BUDESONIDE); sulfamethoxazole (SULFAMETHOXAZOLE) taken for an unspecified indication, start and stop date were not reported. The patient previously received first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Solution for injection; Batch/Lot number: EL9265, Expiry date was not reported), via an unspecified route of administration, administered in Arm Left on 29Jan2021 as dose 1, single, Second dose of bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Solution for injection; Batch/Lot number: EN6201, Expiry date was not reported), via an unspecified route of administration, administered on 19Feb2021 as dose 2, single for covid-19 immunisation. The patient just had the booster covid 19 vaccination last Saturday. She felt totally wiped out since then. She saw an ENT that prescribed a medication for her sinus issue and it is on the list that it lowers the immune system. She was told to discontinue taking that medication. she feels nauseated frequently during the course of a day. She asked the pharmacist if she should get tested for covid and she was told no. States it could be the antibiotics kicking in. With the first dose she did not really have any problems. she is a little foggy and tired and cannot believe how long this is going in. Her doctor just retired. Thinks her new doctor will be withheld but she has not seen him yet. She is not sure of phone number. Full contact details not available. She puts her glasses on. Thinks it is the standard dose. Reports most of the problems are with the third dose. She thinks the nausea started on Sunday but does not remember. It comes and goes, and it is the same as it was the first time. She is not sure when foggy feeling started. Tired, wiped out: Started right after she left the vaccine place and came home, and she only lives a mile away. Treatment: She is lying down more. After first couple nights she had trouble falling asleep but now in the last couple nights she has been fine and falls asleep pretty fast. Clarifies the medication she stopped taking for her sinuses is called Budesonide 0.5mg/2ml suspension in a little vial. She started taking it last Saturday morning or Friday evening. She stopped taking it last night and did not take it this morning and called the doctor and was told to stop it. This one causes a drop in the immune system. Manufacturer is Teva. She takes it in an inhaler and was told to put it with distilled water or spring water then adds with a salt suspension in the  system. She was also prescribed a sulfa drug for her sinus issue called Sulfamethoxazole-TMP DS 800/160. She started taking it Friday night and will take the last dose on Monday. Taking two a day, one every twelve hours for ten days total. She is hiccupping and takes a sip of water. Her husband got his dose a week before hers since he is in a different category. She is drinking lots of water. Asks if we can give her any recommendation. Advised to consult with hcp. The outcome of events She felt totally wiped out, had trouble falling asleep, third dose booster dose: 14Aug2021 was unknown and rest of the events was not recovered.  Follow-up attempts are completed. No further information is expected.