Vomit Doctor certainly has his work cut our for him. Hard to say if it's conveniently or not. After all, it would be far more convenient to treat a patient well before they start to bleed from all orifices.
@Kaarme All of the islanders haven't had regular health check-up for a long time since they don't trust the clinic doctor and it is too troublesome to go to the mainland so it is no surprise they have health problems.