ERYTHEMA

is any abnormal redne of the skin which seconds pa es into the convulsive stage, in which the jointe Sex ge on pre ure. It is due to dilatation of the are alternately bent and straightened, and the tongue thrust | capillary blood-ve els from one of many causes, ¢.g., out and in, whilst the mouth is alternately opened and shut, | irritation by heat, cold, light, chemical irritants, blows, and with the result that the tongue is often bitten. Tho water | the presence in the blood that supplies the skin of somo and le often the motions also are pa ed in this stage. poe such as that of scarlet fever, rheumatic fever, etc. The convulsion rarely lasts more than two minutes. When unburn and scarlet fever have been confused at times. it ceases the stage of reoomery begins, in which the return of | [See Scarlet Fever, Sun Burn.) consciousne oocurs gradually and only after some time; [s. 361]