How do i soothe lower back strain?

Rest heat OTC meda: Generally most just get better with activity restriction and rest but one can apply heat or cold depending what feels best and take over the counter pills like tylenol (acetaminophen) or advil if no medical reasons to not recommend these medications.

Back Strain: Low back pain is a fact of life. Just about everybody will suffer from it sooner or later. One of the main causes of back pain, whether acute or chronic, is low back strain. http://www.webmd.com/back-pain/guide/low-back-strain