PLASTER

is a preparation that adheres when applied obstruction to the circulation in this region. The more | to the skin. Plasters are made of an active ingredient important causes of this are constipation, congestion of the | combined with a suitable basis, ¢.g., load soap, oil or resin, liver, and pregnancy. Another cause of importance is the | which is spread on linen or other material. Of the twelve; abuse of “eae medicines, especially such as contain | which the Pharma cop mia contains, diachylon or lead aloes, w many of tho patent pills do. The eymptoms | plaster, belladonna plaster and soap plaster are the most to which piles givo riso may bo very slight. On the other | often used. Sticking plaster is prepared from lead, resin hand, they may causo troublesome Rohing 5 they may | and soap. It is much better not to put sticking plaster bleed falls or they may become inflamed. In flamm a- | directly over a cut, but to first put on some simple dre ing, tion of piles is popularly known as “ an attack of the piles.” | ¢.g., clean linen or boric lint, which may then be secured in This causes much pain and irritation, and lays the sufferer | position by a strip or two of sticking plaster. This is = ee some days. The treatment should be preventive. | because plaster is irritating and impedes the healing proce , is consists oH gel treating a ey to chronic | its only value being to keep out the dirt and to draw the eaeipetion. en present, constipation and the reckle | edges of the wound together. Moreover, if the cut should uso of strong aperients is to be avoided; all straining at | be in the least ot. plaster shuts it in and mischief stool must be avoided, especially after the motion has been | will result. Corn p are prepared with salicylic acid. sera there is risk of this, because the piles act like a | Blistering plasters are composed of cantharides. [Refer oreign body and excite an offort to expel them. If piles | to Blisters.) coterie: they must be washed and replaced by steady [s. 394]