If it's Dr. Brand, we do.
I had some obstructions and they have a very distinctive type pain, like you are knotted up, and the pain becomes worse and worse until the obstruction clears whether from vomiting, NG tube or on its own, and I experienced all 3.
If it's an obstruction that cleared on it's own, I would take it easy diet-wise until you speak to Dr. Brand or whomever your GI is.