TROPICAL DERM ATOMY COSES 



Cases complicated with Eczematous Dermatitis and Fissures.— In 

 such cases, in our experience, it is better to use at first a soothing 

 treatment by lead lotion, or a solution of resorcin (J to i per cent.), 

 or glycerin, boracis in rose-water, with the object of first healing 

 the eczematous lesions. Later, to the rhagades which so often 

 develop in the inguinal regions, we apply a solution of nitrate of 

 silver (arg. nitr., gr. v.-xv. ; sp. seth. nitr., §i.). We touch with this 

 solution the rhagades and the moist parts; this application is some- 

 what painf ul> but the pain soon disappears, and the fearful itching 

 is relieved almost immediately; moreover, the nitrate of silver 

 destroys the fungus. At night we apply a mild ichthyol ointment 

 (i per cent.) or hazeline cream all over the eruption; as soon as the 

 parts have become less moist, we begin the chrysarobin treatment. 

 A precaution, which must always be observed during and after the 

 treatment, to prevent reinfection is to dust all the undergarments 

 with antiseptic powder — for instance, Hanson's powder (ac. bor., 

 zinc, ox., amyli, aa p. aeq.) ; salicylic powder (ac. salicyl., gr. x. ; 

 talci venet., gi.) ; menthol powder (menthol, gr. v.; alcohol, q.s, ; 

 talci venet., §i.) ; dermatol powder (dermatol, gr. xx. ; talci, |i.) 

 It is advisable to wear small bathing-pants, which can be washed 

 in the house. 



Treatment oj Generalized Dhohie Itch. — When the eruption is 

 diffused all over the body, the simplest treatment is as a rule the 

 application of tr. iodi or lin. iodi, treating only one portion at 

 a time. A chrysarobin ointment (2 to 5 per cent.) may also be used. 



Treatment of Dhohie Itch localized to the Toes.- — During the quies- 

 cent periods, or when there is only pruritus and a little scaliness, 



tincture of iodine may be used, or an 

 ^ ^ alcoholic solution of salicylic acid 



^gc^ , f> (2 per cent.). When there are acute 



^ -f"^ symptoms of dermatitis, the treat- 



^ o \ ment must be at first a soothing one, 



^ as described on p. 2037. 



TINEA ALBA, 



Remarks. — Tinea alba is in reality 

 ^ ^ *^ only a form of generalized dhobie itch ; 



"^"^^^^^^ term is applied to various diffuse 



trichophytic and epidermophytic con- 

 1 iG 80 -Fungus found in ^^^^^^^ which give a white powdery 

 a' varIety oTxiNEr AlbI"^ appearance to the skin of the natives. 

 Air. macfadyeni Castellani. HistoricaL — This condition was 



first described by Castellani in 1905 in 

 Ceylon. Cases have been recently reported by Pijper in South Africa. 



etiology.' — The commonest fungi found are Epidermophyton 

 rubrum Castellani, 1909, and Atrichophyton macfadyeni Castellani, 

 1905 {Trichophyton macfadyeni), the description of which is given 

 on pp. 1009 and 1016. 



