A lateral blockage in the ear canal is something obstructing the path from the outside of your body to the eardrum. The word "lateral" suggests that the blockage is near the entrance, although I think most people would call that a proximal blockage.

The only reason for this would be due to a blockage. Either snake your sewer line or call a plumber to carry out an investigation to find out where the blockage is.

you have a parcel blockage in the pluming. Call roto rotor

Carotid artery occlusion blockage means that there is complete blockage of the artery. This is very serious, as complete blockage of the artery can cause a stroke.

Firstly, take of lever surroundings and check for blockage. If not call roadside assistance.