Many contact sensitizers or irritants are known to cause contact dermatitis superimposed on<unk> . Studies have implicated nickel, cobalt, chromate, and fragrance as likely culprits. Xerosis, or dehydration of skin is also a likely cause. Infection with Staphylococcus aureus bacteria or Candida albicans may also play a role.
Nummular dermatitis
Dermatophytosis
Xerotic eczema
Pityriasis rosea
Phototoxic tar dermatitis
Phytophotodermatitis
Abietic acid dermatitis
Granulomatous facial dermatitis