Is it Yellowman syndrome?
S
S
Wadhwa
D005260:Female; D006801:Humans; D008875:Middle Aged; D012880:Skin Pigmentation / Q000187:drug effects*; D013831:Thiamine / Q000009:adverse effects* / Q000031:analogs & derivatives*
C013293:thiamine disulfide; D013831:Thiamine