some pain on her right chest/breast area; some pain on her right chest/breast area; tightness on the chest; regain her energy; pretty traumatic; vomiting; severe stomach pain so severe that got her up all night and almost makes her call 911; she slept a lot during this period; Diarrhea; shortness of breath (around 7:45); fast heart beating; fatigue; chills; nausea; This is a spontaneous report from a contactable consumer or other non-healthcare professional reporting for herself. A 60-years-old female patient received second dose of bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE) via an unspecified route of administration on 14Jul2021 (Batch/Lot number was not reported) as single dose for covid-19 immunization. The patient medical history and concomitant medications were not reported. The patient previously took first dose of BNT162B2 via an unspecified route of administration on 23Jun2021 (Batch/Lot number was not reported) as single dose for covid-19 immunization and had arm pain for about 24 hours on her right arm. Caller wanted to know the possible side effects were of taking the Pfizer's COVID-19 vaccine, and how long would the side effects last after receiving the second dose of the vaccine. It was reported that, she already received both doses of the Pfizer's COVID-19 vaccine and developed several side effects, she received the first dose on 23Jun2021 and she developed arm pain for about 24 hours on her right arm, she then received her second dose of the vaccine on Wednesday 14Jul2021, she was ok until Saturday when she started developing some side effects like: Diarrhea (present all morning until 7 on the evening), she also developed shortness of breath (around 7:45), when she was laying on her bed she started developing fast heart beating, severe stomach pain so severe that got her up all night and almost makes her call 911, next day she still had some stomach pain but not as severe, she spent the morning of Sunday vomiting, she also developed fatigue, chills (on Saturday night, Monday night and last night), she could barely get up due to severe fatigue and nausea on unknown date in Jul2021. On 20Jul2021 (Today) morning at 5 am, previous side effects started diminishing however she started to develop some pain on her right chest/breast area combined with a feeling of tightness on the chest, the pain diminished during the day and she currently has no pain but is still trying to regain her energy, she slept a lot during this period. She received both of her vaccines on the right arm. She spoke previously with an agent on Pfizer but she did not report the chest pain as part of her experience. She described her general experience as "pretty traumatic" on unknown date in Jul2021. Per attached CONS, not all side effects have an specific temporality, some of the local side effects have an average duration of 1-2 days, other more systemic side effects like lymphadenopathy require more time to be resolved (around 10 days). Per PI, 6.1 Clinical Trials Experience, LAB-1457-10.0, Revised: 25Jun2021, data collected from the clinical trials have a range of dates from 7 to 30 days after receiving the second dose of the vaccine. The outcome of the events was unknown.  No follow-up attempts are possible. No further information is expected.