I haven't written with you enough yet. So general thoughts from me.
If it's a distraction yes. It's distracting.
If it's a part of the plot. It's the story.
Bit binary that but true. In reality, there are degrees of anything. Too much, for example, oversaturates and loses the point of writing it and any definition or thing you were trying to say. Unless distraction is what you are going for, say on an alien world that nobody has seen before. This can be applied to anything, for example, if I write a festival or a scene that is all-encompassing I want it to be distracting. If I write a cake, I don't need the room to be cake.
A wound is good for example. Five wounds and if the character isn't on the ground or sagging badly, it diminishes each. If the goal is to make each wound look superficial then mission accomplished, but if it's to raise tension then mission failed. Zombies, biological creations, or just regular npc's same thing. 1,000 zombies diminish the impact of each individual one on the scene, but if that is the goal to simulate a horde's effect, rather than a personal struggle in a room with an assailant, it might be what you are picturing.
Hope that helps. It all depends on what you are aiming for. Enjoying writing with you currently for what it is worth, and hope for more threads

All the best.