The diagnosis of disease / by J. Porter Parkinson.

  • Parkinson, J. Porter.
Date:
1898
Catalogue details

Licence: Public Domain Mark

Credit: The diagnosis of disease / by J. Porter Parkinson. Source: Wellcome Collection.

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    Copaiba produces an erythema rather like scarlet fever, chiefly on the extremities and abdomen. Iodides may produce orythemata, pustules, or pm'puric erup- tions. Belladonna externally applied may produce an itching, erythematous rash, or even small papules, on the part to which it is appUed. Antipyrin, chloral hydrate, etc., may produce a fleeting erythematous eruption. PURPURA is haemorrhage into the skin. These haemorrhages form flat spots, varying in colour between red and purple; they are not raised, and do not disappear on pressure; they are bilateral, and usually occm- on the legs; they come out in crops, last a few days, and disappear hke an ordinary bruise. In some cases of greater severity this eruption appears on other parts of the body, and hsemorrhages from the various mucous membranes, as nose, stomach, urinary organs, etc. Purpura occurs in certain fevers, especially cerebro-spinal meningitis, and occasionally measles, small-pox, etc. It occurs Lq many other blood alterations, as septictemia, rheumatism, etc.; it may result from the administration of certain drugs, as iodides, quinine, belladonna, mercury, etc. It occurs in scurvy, haemophflia, leuchsemia, anEemias, scurvy-rickets, chronic Bright's disease, etc., also ia. the excessive weakness of long-continued disease, as cancer. SYMMETRICAL GANGRENE (RAYNAUD'S DISEASE) occurs usually in adult women, after exposure to cold. It attacks, as a rule, the fingers, toes, or ears, though other parts may be afl'ected. There are three varieties: 1. Local Syncope.—The affected parts become white like wax, and cold, and arc numb, with tingling or severe pain, and after a few minutes or a few hours recover. 2. Local Asphyxia may succeed the local syncope, the part becoming hvid and very painful; this may pass off, or may cause—