icollapsed and lost conscious for about 5 minutes followed by diarrhea,,a big spongy bump on my head which was a normal sore bump next dat not soft anymore,i was alone and my heart was banging,i dont drink enough fluids and i rembember feeling like i was blacking out but dont remember falling..just coming round approx 5/6 mins later and had to crawk to toilrt,thankyou for your time,just realised few spelling errors,,,typing in dark