If a plate with oceanic lithosphere meets another plate, the dense oceanic lithosphere dives beneath the other plate and sinks into the mantle: this process is called subduction. The sinking oceanic lithosphere drags the rest of the tectonic plate: this is the main cause of plate motion.
You may notice a decrease in symptoms during the build-up phase, but it may take as long as 12 months on the maintenance dose to notice an improvement. If allergy shots are successful, maintenance treatment is generally continued for three to five years.
Must Read Articles Related to Allergy: Poison Ivy, Oak, and Sumac. Allergy Shots Allergy shots, or immunotherapy, is recommended for severe allergy sufferers. Typically, immunotherapy consists of a three- to five-year course of allergy shots...learn more >>. Rash A rash is a visible skin outbreak.