Can Donating Blood Cause Black Out Suddenly

hemoglobin was a 20 the day after donating and my blood pressure was 180/154 . It did come down at the ... few more times this week as well . My question is would this thick blood cause my... View answer

I have klinefelter's syndrome. Is there any problem with me donating blood? ... View answer

Can Mirtazapine cause low blood pressure? What can I do to raise my blood pressure? It runs about ... donate blood recently and they refused to take my blood (That day it... View answer

huge black bruise came out without being banging into anything could this cause slightly high white blood cell? ... View answer

I passed out after donating blood. Apparently threw up cookies n foam. Eyes rolled back. Cold sweat. Clothes soaked. Ps just started blood pressure pills last ... View answer

no problems. I didnt drink a lot of fluids. Wonder if black out could be related to donating blood? ...I donated blood about 5:30 6:00 yesterday to red cross. Last night I got up about... View answer

anybody in it so now I m not able to donate plasma ever my question is can donating too much plasma cause ...I ve done donating plasma for years and two days ago I was told that I was not able... View answer

one night after I donated I ended up having a seizure. It started as a normal black out with all my ...So I ve been having small black outs since the age of 12. With these black outs I have... View answer

pants and couldn t figure out what happened. Could this be a mini stroke ? I take high blood pressure ...I am trying to figure out what happened last Friday night, went to dinner with my husband and... View answer

with in no time every thing went black out. I was unconscious for 30 sec after that i had a severe headache nd my eyes bros were in pain. after complete tests (blood, glucose ,urine, liver , ECG ) all... View answer