1 on/under pain of death idiom. 2  a pain in the arse/backside idiom. 3  a pain in the ass/butt, at a pain in the arse/backside idiom.  a pain (in the neck) idiom.
In addition to the differences in replication method, transmission risk is higher with Hep B as it can be sexually transmitted, whereas generally not with Hep C. The large majority of adult patients exposed to Hep B clear it, whereas with Hep C adults who are exposed and clear are the minority.
When you have Hep C, it starts to damage the liver right away, even if you have no symptoms. It begins by causing inflammation (swelling) of the liver. Over time, that causes scarring (fibrosis). When scarring progresses, it can become severe and block blood flow.