These latter, alternating diseases, are also very numerous,1 but all belong to the class of chronic diseases; they are generally a manifestation of developed psora alone, sometimes, but seldom, complicated with a syphilitic miasm, and therefore in the former case may be cured by antipsoric medicines; in the latter, however, in alternation with antisyphilitics as taught in my work on the Chronic Diseases.
1 Two or three states may alternate with one another. Thus, for instance, in the case of double alternating diseases, certain pains may occur persistently in the legs, etc., immediately on the disappearance of a kind of ophthalmia, which latter again appears as soon as the pain in the limbs has gone off for the time – convulsions and spasms may alternate immediately with any other affection of the body or some part of it – in a case of threefold alternating states in a common indisposition, periods of apparent increase of health and unusual exaltation of the corporeal and mental powers (extravagant gaiety, extraordinary activity of the body, excess of comfortable feeling, inordinate appetite, etc.) may occur, after which, and quite unexpectedly, gloomy, melancholy humor, intolerable hypochondriacal derangement of the disposition, with disorder of several of the vital operations, the digestion, sleep, etc., appear, which again, and just as suddenly, give place to the habitual moderate ill-health; and so also several and very various alternating states. When the new state makes its appearance, there is often no perceptible trace of the former one. In other cases only slight traces of the former alternating state remain when the new one occurs; few of the symptoms of the first state remain on the appearance and during the continuance of the second. Sometimes the morbid alternating states are quite of opposite natures, as for instance, melancholy periodically alternating with gay insanity or frenzy.