Examines the usage of names of illnesses and diseases occurring in the text of Bethada náem nÉrenn: 1. amlabar, bacach, bodhar, clamhdall, lobhar; 2. aillse, fiolun fionn, easbadha, cuthach; scamach, lirach, moirtin marbh, bás obann, ifreann; esláinte theinntidhe, galar cos, demhan.