User blog comment:Antichirst/help i got something on my head/@comment-5264386-20140127211037

Yes, this is a case of Egghead status. You contract this from the Egg Burdened in the first part of the Demon Ruins. As Ghost105 has said below, Egghead can be cured with Egg Vermifuges. The easiest way to get one would be to go to Eingyi, who gives a free one to those with Egghead status.