This section is from the book "The Home Hand-Book of Domestic Hygiene and Rational Medicine. Volume 2.", by J. H. Kellogg, M.D.. Also available from Amazon: The Home Hand-Book of Domestic Hygiene and Rational Medicine, Volume 2.
These are sometimes very annoying. They generally arise from neglect to cleanse the feet thoroughly, allowing accumulation of acrid perspiration. They heal readily if the feet are kept properly cleansed. The pain and irritation can be easily relieved by separating the toes by means of a piece of lint or soft cotton, saturated with glycerine or carbolated vaseline. The feet should be bathed a few times with a strong solution of alum, or a decoction of oak-bark should be applied between the toes once a day for a week or two.