Breathless/Breathlessness; Headache; Were brought on with mensus, that came 3 days earlier than expected/ Mensus started on the 9th of May, 3 days post vaccination./ just got her menstrual 3 days prior to the due date; I am feeling a bit feverish, not necessarily a fever.; Its making me uncomfortable; Body aches; Joint pain right leg; Sweating a little; Feeling stress/feeling stress anxiety; Anxiety; Little more restless; I cannt work; She says she feels tired; Chills; Weakness; little different in her head, it feels heavy; Vision possibly little blurred/ vision seems a little blurred; This is a spontaneous report from a contactable consumer (patient). A 41-year-old female patient received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Solution for injection, Lot Number: EW0171), via an unspecified route administered in left arm on 06May2021 at 10:15 (at the age of 41-years-old) as Dose 1, Single for Covid-19 immunization. The patient's medical history included hypothyroidism (diagnosed 4-5 years ago, and stress anxiety, (she took medication (unspecified) for hypothyroidism and stress anxiety. She was taking her regular meds with no changes; she did not start any new medications recently. Patient did not get any other vaccinations the day she got her Pfizer COVID-19 vaccine dose or in the four weeks prior. She had been taking her regular meds with no changes, she did not start any new medications recently. She said that she didn't get any other vaccinations the day she got her Pfizer COVID-19 vaccine dose or in the four weeks prior. On an unspecified date on May2021, the patient had experienced weakness and just felt not like she was dizzy but a little different in her head, it felt heavy. She stated her vision seems a little blurred, but she was not sure. She said another thing that happened was she just got her menstrual 3 days prior to the due date on 09May2021, 3 days post vaccination.  She said she did no treatment for these; she did have some headache yesterday and thought about taking Tylenol but felt better after that and didn't take any Tylenol. She reported 0n 17May2021 (today) she thought she has experienced a little bit of breathlessness, or that could be because of tiredness, she has no other symptoms like cough or fever of that sort. She did had some headache on 16May2021 a day before and thought about taking Tylenol but felt better after that and didn't take any Tylenol. She said another condition she might be experiencing was feeling stress anxiety, little more restless which she does take a med for that, but she thought it could be a side effect since it doesn't seem to be connected to the medication she was taking, she thought it does felt different, she was a little more restless. She said she felt tired and weak, and she thought that she had some joint pain in her right leg. She said she seems to be sweating a little. She was feeling a bit feverish, not necessarily a fever. Its making her uncomfortable, she can't work, some body aches. She refused to take Tylenol and NSAIDS and stated that she was going to an urgent care because she was changing doctors and not sure how much help she would get from them. She mentioned that side effects that she may experience throughout the rest of your body (systemic side effects) including fever and chills were observed with the first 1 to 2 days after vaccination and resolved shortly thereafter. No investigation assessment was reported. Patient did not receive any treatment for these events. The reporter consider the seriousness of the events as non-serious. The clinical outcome of the event fever and chills was recovered on an unknown date in 2021 and the outcome of other events was unknown.    One follow-up attempt completed. No further information was expected.