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.
No. Allergy shots may not be good for you if you have severe asthma or heart problems. You shouldn't get allergy shots if you take a beta blocker for heart problems. Children younger than 5 years of age also shouldn't get allergy shots. You shouldn't start allergy shots if you are pregnant.If you have been taking allergy shots for some time and become pregnant, talk to your doctor.ou will start getting shots 1 or 2 times each week. After about 6 months of weekly shots, your doctor will decide when you can start maintenance treatment. Maintenance shots are usually given just once each month, year round. You'll probably need to get maintenance shots for 3 to 5 years.