Thus inflammatory and degenerative changes dominate the condition. Pathogenesis involving infective origin or allergic origin may be included. Diseases such as Lyme disease may be included. Expanding redness known as erythema migrans begins at the site of bite after a period of one week. There is no much itching i.e. ''alpa kandu'' but the rash is red and warm but generally painless. Classically the innermost portion remain darker red and becomes indurated (is thicker and firmer). | Thus inflammatory and degenerative changes dominate the condition. Pathogenesis involving infective origin or allergic origin may be included. Diseases such as Lyme disease may be included. Expanding redness known as erythema migrans begins at the site of bite after a period of one week. There is no much itching i.e. ''alpa kandu'' but the rash is red and warm but generally painless. Classically the innermost portion remain darker red and becomes indurated (is thicker and firmer). |