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Infectious Fevers Attended by Rash Eruption

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INFECTIOUS FEVERS ATTENDED BY RASH (ERUPTION).

Fevers accompanied by eruptions (rashes) on the skin were classed by the old authority, Cullen, as exanthemata. This term is derived from two Greek words, ex, out, and antheo, to liossom. The phrase exanthematous fevers includes all the fevers, attended by a rash, which are described under the above heading. They have several characters in common.

I. They are all due to the introduction into the body of some special material whose growth in the body is attended by the progress of the d.sease. They are all contagious or "catching".

2. The fever does not show itself till some time after the poison has obtained entrance into the body. There is an interval, that is to say, between the time the person becomes infected and the time he actually becomes fevered. This interval is cajled the period of incubation or hatching.

3. The fever lists a definite time, and runs a certain course in each case.

4. The disease is accompanied by a rash, of a special kind for each fever, which goes through a regular series of changes, and disappears at a definite time.

5. Each fever ends at a certain time, in some cases suddenly after copious sweating or loose motions of the bowels, in other cases gradually. In the former cases it is said to end by crisis (Greek, krieis, a decision or turn); in the latter cases it ends by lysis, meaning a loosening (Greek, luo, I dissolve).

6. The fever attacks the same person once only as a general rule.

Some of these diseases are much more catch ing than others, scarlet fever, measles, and small-pox for example. Typhoid fever, on the other hand, can be easily confined if great care be taken to disinfect the patient's discharges and to prevent them getting into any water supply. It is also important to notice that in no other way can such a fever arise than by its seed having been sown. It cannot arise anew. It never can be caused by exposure to cold merely, by errors in diet, or in any such way. It cannot, therefore, arise from the entrance into a house of mere sewage gas. A house may be badly drained, and gas from the sewers may thus pass into the house. This is undoubtedly a great evil, because the inmates of the house, breathing the bad air, are liable to suffer from headache, sickness, sore throats, and various other states of ill health. The persons, erred in their general health, are thus ready victims for any disease they may come in con tact with. But the gas from the drains, pure and simple, cannot produce measles, scarlet fever, diphtheria, typhoid fever, or any other special fever.