Embargoed to 0001 Thursday July 24 File photo dated 08/02/13 of paracetamol tablets. Paracetamol painkillers are no better than a placebo for speeding the recovery of people suffering lower back pain, a study has found. . Issue date: Thursday July 24, 2014. Doctors should now look at whether the over-the-counter drug should be the first choice treatment for people with the hugely debilitating condition, scientists behind the research said. See PA story SCIENCE Paracetamol . Photo credit should read: Joe Giddens/PA Wire Credit: Joe Giddens/PA/Alamy