Sulphurous Acid in Cholera

To the Editor of the " Indian Hfedical Gazette Sir, A few days since I saw in your paper of tho 1st of last October a letter from Surg.-Major G It. Cos tello, headed "Sulphurous Acid in Cholera." In this letter Surg-Major Costello refers to a letter from him in your Gazette of! November 187G, recommending tho internal use of: Sulphurous acid in solution in cases of: cholera, an 1 in his present letter he states that in the cholera epidemic of 187f> " it occurred'' to " him that the solution of sulphurous acid would be, when given internally. much more efficacious than by any other method of administration." I feel it but due to myself to point out that in the Lancet of December 13th, 1873. [ had already brought sulphurous a<-id forward as a cure for cholera, and recommenced its use in the very manner which Surg.-Major Costello says occurred to him in 187*>. Probably Surg-Major Costebo considered that I was committed to the plan of: treating cholera by fumigation with sulphurous acid in opposition to that of a lmiirstering it internally, but this is not the case ; when first advocating the remedy, I wrote: ?' The British Pharmacopoeia names half a drachm to a drachm of the aqueous solution as the dose ; and this quantity, well diluted, might bo given with as much frequency as practical experience may indicate." But the case of cholera reported bv me in your Gazette of October 1st, 1875, found me without the solution by me, and the effects ot" sulphurous a id fumigation were in that case so striking, t hat I have habitually used it since and in no case where properly used, and where the rallying power was not exhausted. has it failed A very strong reason why I wish to see the efficacy