This abscess exist for at least several months already and may be longer, since it only draw my attention several month ago after i feel pain on my butt when i sit on a chair. From a mirror i managed to look at the abscess part, the round shape abscess is very small estimate to have a diameter of about 5mm. The abscess is about 10cm away from anal and located on my left butt. I can see a hole on the center of the abscess which is dark red in color. Yesterday, suddenly got blood drain out from the hole together with some pus. This is the second time i saw blood come out from the abscess part. By the way, this may not related, some time i will feel itchy on the left portion of my anal. At first i thought it is only a small problem and will heal on it own in short time, but now after several month the problem still the same. I have no idea what is this, anybody can give me some advice?