Sometimes terminologies used in the medical world sound more complicated that the disease or the condition itself. Most medical terms may sound scary but they often have a common and simple explanation. So here is today’s word – relapse. ‘Relapse’ is a term that you must have heard in relation to mental health or rehabilitation in drug alcohol addiction. The dictionary defines relapse as return to the original or former state or condition. But in the medical context the term relapse has more to it. Article continued below... [recom-stories] Medically a relapse can be an exacerbation flare-up or sudden attack.