Sharp lower back pain. it hurts to bend and touch my toes. what can i do to help my back heal and to rid the pain?

Back pain in young: Young patients rarely need further evaluation for back pain as it is usually self-limiting. For mild symptoms, muscle pains are most common. Consider also disc degeneration which is the rule not exception. If symptoms persist. Core strength is a start: pilates/yoga/piyo, nsaid's, salonpas hot patches. Mckenzie pt if no better but requires a doc's rx. Loosen up those hamstrings, too.

Exercise : Need to be proactive in terms of daily exercise program --flexibility & cardio along with core strengthening while limiting prolonged sitting which generates 4 times body weight across the discs of the lower back. Pain with bending suggests this is a disc problem . If a smoker stop and if overweight, lose some pounds. You can try otc meds if no medical reasons not to and if persists, see pcp.