Replied by Ted (Bangkok, Thailand)

It is possible that ammonium carbonate, ammonium bicarbonate or ammonium chloride can be added (about 1 tablespoon also as it has antifungal properties, but this can be left out because borax should handle most of the problem). The solution is applied (using a latex glove to the area of the face and other, without rinsing.

However the mentioning of blisters, is one other issue that the condition can be shingles or viral cause. Therefore, a 1 tablespoon magnesium chloride (or possibly epsom salt) plus zinc chloride 1/4 tablespoon zinc chloride in one cup of water can be applied as frequently as possible to the less sensitive areas such as the paws FIRST to see if it irritates the skin. The second remedy is antiviral and ideally is applied every hour or so for at least 6 times a day, the blisters should generally be gone the next day. It is quite possible that the unknown microbes involved appears to be acid resistant and therefore an addition of 1 tablespoon of milk of magnesia (magnesium hydroxide solution, but NO aluminum please) added to this could strenghten the kill much more effectively. This should generally be applied as a topical solution.

Hopefully this remedy deals with flesh eating bacteria and viral (staph and shingles) which is the other remedy that has worked in case mange was not the cause.