<s>[INST] There is a raised lump on my penis , it started off as a sort of white pimple but last night when i was going in the bath i noticed it had swolen up. I tried to burst it and white and red puss spurted out , i am worried if this can be anything serious or can develop into anything life threatening [/INST] Hi, dairy have gone through your question. I can understand your concern. You have lump on penis with pus and blood come out of it. So it can be some sexually transmitted infection or some other infection. You should go for examination and take antibiotics treatment accordingly. Hope I have answered your question. If you have any doubts then feel free to ask me. I will be happy to answer. Thanks for using Chat Doctor. Wish you a very good health. </s>