Hay fever : its causes, treatment, and effective prevention : experimental researches / by Chas. Harrison Blackley.

Date:
1880
Catalogue details

Licence: Public Domain Mark

Credit: Hay fever : its causes, treatment, and effective prevention : experimental researches / by Chas. Harrison Blackley. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    was found necessary to give more time than bad been allowed for the mucous membrane of the nares to become accustomed to the contact of the silver cases the time required.* In 1878 the first fair trial was made, and the experiments were commenced earlier. By placing the silver cases in situ a short time each day for some weeks before the hay-season came on, and by using the ointment, the formula for which is given below,-f- the cases were easily borne in position the whole of the day by the time the grass began to be fully in flower. The administration of the Iodide of Arsenic had been commenced at the latter end of May, and was continued to the beginning of July (gr. iij. 3rd dec. trit. quater in die). The Arsenite of Quinine was then taken to the termination of the season (gr. v. 3rd dec. trit. quater in die). Euphrasia officinalis was, however, taken in alternation with the above during the middle part of the season (gtt. v. 1st dec. atten. quater in die). The experiments were fairly commenced on the 12th of June, and as I was anxious to see what part the eyes took in the total amount of irritation produced, no glasses were worn during the first seven days. Each day my professional work called me more or less into the midst of the ha}-- making districts. During this time, i.e. from the 12th to the 19th of June, there was scarcely any sneezing; but there was a slight though continuous drip from the nostrils, with some itching of the eyes, and slight engorgement of the vessels of the conjunctiva. § 412. On the 20th of June the glasses with the cell one centimetre square upon one of them began to be worn ; the wire gauze guards which had been attached to them fitted ° Vulcanised india-rubber, and also vulcanite, cases were tried, but did not answer any better than the silver cases. t R ZinciOx. 9j. Ac. Tannici, gr. x. Ung. Cer. Alb. jj. Misce ut fiat unguent. A small portion to be applied to the raucous membrane of each nostril two or three times a day.