Prurigo pigmentosahttps://en.wikipedia.org/wiki/Prurigo_pigmentosa
Prurigo pigmentosa o se ma'i e le iloa le mafua'aga, e masani ona tupu i tagata o le pa'u. E fa'aalia i le oso fa'afuase'i o papules erythematous, ma e mafai ona tupu le hyperpigmentation pe a fa'amalolo. O le ma'i e mafai ona mafua e le fa'atapula'aina o mea'ai i nisi taimi.

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  • O le māgēsi faifaipea e faʻaalia i se auala e pei o le hyperpigmentation.
  • Masani: Prurigo pigmentosa
  • E mafai foi ona tupu pe a maeʻa le paʻu mamafa vave.
References Prurigo Pigmentosa 38261670 
NIH
Prurigo pigmentosa o se ma'i e le masani ai le pa'u, na fa'amatala muamua e Nagashima et al i le 1971. E masani ona a'afia i tama'ita'i talavou, e tupu i tagata mai Asia i Sasa'e, ae mafai fo'i ona tupu i isi tagata. E aliali mai e pei o se mageso tutusa, o patupatu mumu i luga o le ua, fatafata, ma tua. O nei patupatu e masani ona fausia se mamanu pei o upega, ma mafai ona sau ma alu, ma tuʻu ai ni paʻu pogisa i luga o le paʻu. Prurigo pigmentosa e mafai ona fa'aaosoina i suiga i le metabolism, e pei o mea e mafua mai i le ketogenic, lea ua sili atu ona lauiloa talu ai nei.
Prurigo pigmentosa, also known as Nagashima disease or keto rash, is a rare inflammatory skin disease initially described by Nagashima et al in 1971. Prurigo pigmentosa typically, but not exclusively, affects young females of East Asian ethnicity, presenting as a symmetrical eruption of urticarial papules on the neck, chest, and back. The papular eruption typically coalesces into a reticulated pattern that repeatedly resolves and recurs, resulting in hyperpigmented skin of cosmetic concern. Prurigo pigmentosa can be triggered by metabolic derangements, including those secondary to ketogenic diets, which have experienced a rise in popularity in recent years.
 Prurigo pigmentosa: A multi-institutional retrospective study 37001731
Prurigo pigmentosa o se ma'i o le pa'u e fa'afuase'i, mageso, ma m'ūmū patupatu i se mamanu pei o se upega soso'o ai ma ilauliuli. Talu ai nei, o nisi faʻamaoniga ua fa'avae le Prurigo pigmentosa i le feso'ota'i ma le ketogenic diet. E mafai ona aafia tagata i vaitausaga eseese ma itupa, faatasi ai ma le tele o tagata ta'ita'atasi, aemaise i tamaitai. I tulaga e le mafai ona toe fa'aleleia le tulaga i le mea'ai masani po'o le fa'aaogaina o togafitiga o le pa'u, e mafai e foma'i ona fautuaina se kosi o vaila'au fa'ama'i e pei o le doxycycline po'o le minocycline (100 mg fa'alua i aso ta'itasi mo le 1 i le 2 masina).
Prurigo pigmentosa is a skin condition causing sudden, itchy, red bumps in a net-like pattern followed by dark spots. Lately, some evidences were founded that Prurigo pigmentosa is associated with the ketogenic diet. It can affect people of different ages and genders, with a tendency to be more common in females. In cases where returning to a regular diet or using skin treatments doesn't fully help, doctors may prescribe a course of oral antibiotics like doxycycline or minocycline (100 mg twice daily for 1 to 2 months).