. The principles and practice of modern surgery . emoved by excision with apair of scissors: the operation must be repeated, if necessary, until thesymptoms are relieved and the pouches removed.—Ed.] X. Rhagades—fissures and excoriations about the anus—produce theutmost pain during the passage of evacuations, and if neglected, may leadto spasm and permanent stricture of the sphincter. Jreatment.—Aperients and alteratives,—regular diet,—astringent appli-cations, such as decoction of rhatany, zinc lotion, borax and honey, — ormercurial ointment, or ung. hydr. nitrat. dilut., to which a little ex


. The principles and practice of modern surgery . emoved by excision with apair of scissors: the operation must be repeated, if necessary, until thesymptoms are relieved and the pouches removed.—Ed.] X. Rhagades—fissures and excoriations about the anus—produce theutmost pain during the passage of evacuations, and if neglected, may leadto spasm and permanent stricture of the sphincter. Jreatment.—Aperients and alteratives,—regular diet,—astringent appli-cations, such as decoction of rhatany, zinc lotion, borax and honey, — ormercurial ointment, or ung. hydr. nitrat. dilut., to which a little ext. bel-ladon. should be added if there be much pain or spasm of the sphincter,—and the strictest cleanliness. But if a fair trial of these measures is un-availing, the sphincter must be divided. XI. Prolapsus Ani consists in an eversion of the lower portion of therectum, and its protrusion through the anus. Sometimes a little fold ofthe mucous membrane only protrudes; but in ordinary cases the muscu- INTERNAL PROLAPSUS. 453 142.*. lar coat, and whole thickness of the bowel, come down. This affectionis most common in infancy and old age. It may depend on a naturallaxity and delicacy of structure, or be caused by violent straining, in con-sequence of costiveness, or of the existence of piles, or stone, or stricture. Treatment.—Whenever the protrusion occurs, the parts should be care-fully washed, and then be replaced by pressure with the hand. If thereis any difficulty in doing so, the fore-finger oiled should be pushed up intothe anus, and it will carry the protrudedpart with it. If, however, as sometimeshappens, a larger portion than usual hascome down, and it is so swelled andtender from the constriction of the sphinc-ter, and from being irritated by theclothes, that it cannot be returned,leeches, fomentations, a dose of opium,and rest in the horizontal posture forsome hours, will remove the difficulty;but plain iced water is perhaps the bestapplication. To c


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