Talk:Healing/@comment-50.152.152.17-20130304042614/@comment-165.24.247.200-20130304195405

If you look at the definition of Crowd Control, it is an "ability or spell that temporarily reduces a unit's ability to fight," such as a slow, snare, stun, and the list goes on. Now, we go back to Grievous Wounds: it is a healing reduction, a Debuff, and not Crowd Control. Therefore, CC Reduction does not reduce the duration of Grievous Wounds. (This also applies to champion abilities such as Katarina's Death Lotus)

The summoner spell, Cleanse and other items or abilities that remove debuffs, removes the Grievous Wounds or healing reduction from Ignite, but not the damage over time. (In case you were wondering) Hope I've helped you out!