Can Donating Blood Cause Black Out Suddenly

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

Hello, I am donating blood tommorrow at 8:00 a.m. I will be attending a function later that day[About 12 hrs. later] can i consume any alcohol..I will not be driving!!!] ... View answer

Pls I found out that the whole of my face suddenly became very black pls what can be the reason? ... View answer

I had a blood pressure test today,prior to donating blood. The reading was; 143/54, with a pulse rate of 36. This was deemed to be too low a pulse rate, for donating blood. What are some... View answer

consciousned until I thought "this is it, I can't stop it, I'm going to pass out". Suddenly my right leg from ... 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