_Treatment._—Let the patient keep his room, and if he be very ill, his bed. Let the chamber be well ventilated. If it be winter time, a small fire in the grate will encourage ventilation. If it be summer, a fire is out of the question; indeed, in such a case, the window-sash ought to be opened, as thorough ventilation is an important requisite of cure, both in small-pox and in _modified_ small-pox. While the eruption is out, do not on any account give aperient medicine. In ten days from the commencement of the illness a mild aperient may be given. The best medicine in these cases is, the sweetened acidulated infusion of roses (See question 209), which ought to be given from the commencement of the disease, and should be continued until the fever be abated. For the first few days, as long as the fever lasts, the patient ought not to be allowed either meat or broth, but should be kept on a low diet, such as on gruel, arrow-root, milk-puddings, etc. As soon as the fever is abated he ought gradually to resume his usual diet. When he is convalescent, it is well, where practicable, that he should have change of air for a month. 227. _How would you distinguish between Modified Small-pox and Chicken-pox?_ Modified small-pox may readily be distinguished from chicken-pox, by the former disease being, notwithstanding its modification, much more severe and the fever much more intense _before_ the eruption shows itself than chicken-pox; indeed, in chicken-pox there is little or no fever, either before or after the eruption; by the former disease, the modified small-pox, consisting _partly_ of pustules (containing matter), each pustule having a depression in the centre, and the favorite localities of the pustules being the wrists and the inside of the nostrils: while, in the chicken-pox, the eruption consists of vesicles (containing water), and _not_ pustules (containing matter), and the vesicles having neither a depression in the centre, nor having any particular partiality to attack either the wrists or the wings of the nose. In modified small-pox each pustule is, as in unprotected small-pox, inflamed at the base; while in chicken-pox there is only very slight redness around each vesicle. The vesicles, too, in chicken-pox are small—much smaller than the pustules are in modified small-pox. 228. _Is hooping-cough an inflammatory disease?_ Hooping-cough in itself is not inflammatory, it is purely spasmodic; but it is generally accompanied with more or less of bronchitis—inflammation of the mucous membrane of the bronchial tubes—on which account it is necessary, _in all cases_ of hooping-cough, to consult a medical man, that he may watch the progress of the disease and nip inflammation in the bud. 229. _Will you have the goodness to give the symptoms, and a brief history, of Hooping-cough?_