almost died from anaphylaxis; almost died from anaphylaxis; my blood pressure was 90/54/blood pressure was 96/56/blood pressure was low all week; so white; itching; big hive break out on my left thigh; really did not feel good; The initial case was missing the following minimum criteria: unspecified adverse effect. Upon receipt of follow-up information on 19Aug2021, this case now contains all required information to be considered valid.  This is a spontaneous report from a contactable consumer (reported for herself). A female patient of an unspecified age received pneumococcal 13-valent conjugated vaccine (diphtheria crm197 protein) (PREVNAR 13, Solution for injection in pre-filled syringe, lot number and expiry was not reported), via an unspecified route of administration on 09Aug2021 as a single dose for immunisation. Medical history included that patient had had anaphylaxis many times in her life. The patient's concomitant medications were not reported. Patient previously took prednisone but was allergic to it. Patient was concerned about the ingredients for Prevnar 13 vaccine and she got side effects after taking the vaccine. She has a question regarding Prevnar 13 vaccine and no questions regarding the Pfizer COVID vaccine. Patient got the vaccine last Monday (09Aug2021) and then had an appointment with cardiologist on Tuesday morning (10Aug2021) and blood pressure was 90/54 and then when patient got home and had a physical therapist come in and blood pressure was 96/56 in Aug2021. She said we weren't going to do anything because she was so white. She went upstairs and started itching and had a big hive break out on left thigh. She went to urgent care but they had a 2 hour wait. She brought her epi pen and administered it after she got back out to the car and got Benadryl and then drove herself home. She have had anaphylaxis many times in her life. Her blood pressure was low all week, and she really did not feel good (Aug2021). Tuesday was the worst day. Patient almost died from anaphylaxis. She was in the hospital almost a week (7 days) in 2021 due to anaphylaxis so she knew her body and she knew it was about to happen. The hives on left thigh has resolved in Aug2021. She alternated with epi pen and Benadryl every few hours. She couldn't do prednisone anymore because she was now allergic to that. She never actually seen a doctor. When she took the vaccine, her doctor said it was a new one that was recommended for over the age of 65 so she said ok, she will take it. She was not sure that it was Prevnar 13. It was whichever one was recommended for over the age of 65. She was just looking to get the ingredients of the vaccine so she can try to see what I am allergic to. Patient was then advised that there are two vaccines and she may have gotten the Pneumovax 23. She will need to check with her physician to see which vaccine she had. Patient was verbally given the ingredients of Prevnar 13 from attached document because there was no way to send them to the patient and patient was told that Merck is the maker of Pneumovax 23 and she would need to call them for the ingredients if that is the vaccine she received. Patient further mentioned that she had the pretty serious reaction last week, and she just wanted to know what is in it so that she will make a decision, if she would not to take one again. The patient underwent lab tests and procedures which included blood pressure: low on an unspecified date, 90/54 on 10Aug2021, and 96/56 on an unspecified date in Aug2021. Therapeutic measures were taken as a result of the events almost died from anaphylaxis, itching, and big hive break out on left thigh. The patient recovered in Aug2021 from big hive break out on left thigh. The outcome of the events almost died from anaphylaxis, blood pressure low, so white, itching, and really did not feel good was unknown.   No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.