Self-Care/ Home Care Treatments – when you are suffering from lower back pain, the immediate action one should take is to stop doing strenuous physical activities and have some rest which provides immediate pain relief. Putting a pillow under the knees while sleeping provides pain relief to the lower back. Improving sleeping or lying body posture also, reduces back pain. Stretching and strenuous physical exercises should generally be avoided as they may cause irritation in the specific region.