pityriasis
/ˌpɪtɪˈraɪəsɪs/
noun
- A skin condition that causes flaking or scaling of the skin.
- Pityriasis can sometimes be mistaken for dandruff or eczema.
- She applied a medicated cream to treat the pityriasis on her scalp.
- The doctor diagnosed the patient with pityriasis after noticing the scaly patches on his arms.