I have been posting lately about going off of dilantin and on to lamictal xr , slowly ramping dosage because of the dreaded rash . I never made it to 100mg lamictal xr before my tongue was swollen blistered and the back of my throat was inflamed. No more Lamictal, I can scratch that off my list of AED's. Anyone else have this problem? wonder what would sooth my throat.