Therefore, you need to immediately contact your doctor in order to learn how you can deal with the pain and how it can be treated. The extent of the infestation determines the time the pests came into the home. This is usually caused by pressure around the sciatic nerve or around where the nerve root begins. Laying with a pillow under your knees takes the pressure off of your lower back, which means it also takes the pressure off of the lower back muscles. Nerve Defend can help you a lot and protect you from chronic nerve pain.