Licence: Public Domain Mark
Credit: A manual of medical diagnosis / by A.W. Barclay. Source: Wellcome Collection.
Provider: This material has been provided by Royal College of Physicians, London. The original may be consulted at Royal College of Physicians, London.
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![.iDrtance to avoid mistakes in such matters, because 11 early isolation of the sufferer may prevent the spread ; the malady to other members of the family, and ;iame greatly disproportioued to the extent of the rrersight is always awarded to the attendant who has ?t)t foreseen the possibility of the occurrence. ’ In case of a sudden attack, the age of the patient has knne bearing on the possibility of eruptive fever, be- muse so large a propoi-tion of these cases occur in early ^'e’e. Inquiry ought to be made whetlier the patient jiwe previously suffered from measles or scarlatina, and lihether he be protected from smallpox by vaccination r ■ not. ((Cliildren suffer more frequently from most of these fevers than uults. An attack of measles is rare after puberty, because f few persons i>ass through the period of childhood without siiffer- :g from this disorder, and its recurrence is not a common event, .me liability to scarlatina seems to be very greatly diminished in t.ultage. Unvacc'inated children are especially liable to small- ‘sx if at all exposed to its contagion; after vaccination the liabi- sy again increases as age advances, from twelve or fifteen up to (-/enty-tive or thirty. Both in the modified and unmodified forms iifirst attack of smallpox may occur at any period of life, but is ■nry much less common after the age of thirty. Second attacks all these diseases are unusual, but exceptions arc sometimes et with. Erysipelas, on the other hand, is not a disease of cliild- -)od, and docs not in any way guard the system against a second tack. The period of the illness, when the case is first seen, iireatly aids in determining whether it may be one of •-cuptive fever or not, for, after three or four days, the f nances of scarlatina or smallpox are almost gone— l .re eru])tion of measles is sometimes deferred to the b.xth day ot the fever; but these are the extremes, as no eruption is generally seen earlier. Definite rules I re laid down in books ; but these will be found in : ractice to be very frequently deviated from, if the .'istory given by the friends or the patient himself be .•ue. In the preliminary stage, the general symptoms are yich as indicate a more active or sthenic type of fever F 2 1](https://iiif.wellcomecollection.org/image/b24989812_0091.jp2/full/800%2C/0/default.jpg)
