 [ Symptoms ] i am 51 and just started taking asa aspirin 81 mg twice a day no heart history is it ok to mix asa with vitamins  i have taken multivitamins and supplements for over 30 years [ Disease ] hi the condition you are referring to is called spondylolisthesis which honestly i do not see in the x ray i recommend an mri as i suspect disk protrusion at l5s1 until then i advise wearing a back brace and staying on anti inflammatory next step will be physical therapy good luck