Chapter II.
The most painful for the patient but often effective in severe cases is the application of ichthyol, as described in Chapter III.
If the patient is systematic and will attend to it, the ichthyol may be replaced by the _frequent_ spraying with menthol and eucalyptol, as described in Chapter IV.
The best treatment of all, but that which takes the most time of both patient and physician, is the use of electricity, as described in