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hypotrichosis simplex of the scalp

ORPHA: 90368

Contents

  1. 1. Overview
  2. 2. Available Treatments
  3. 3. Clinical Presentation
  4. 4. Classification & Codes

Overview

Hypotrichosis simplex of the scalp (HSS) is characterized by diffuse progressive hair loss that is confined to the scalp

Available Treatments (0)

No treatments linked yet

Clinical trials or compassionate use may be available — consult a specialist.

Clinical Presentation

Signs and symptoms associated with hypotrichosis simplex of the scalp, sourced from HPO and Orphanet clinical annotations.

Fine hairSlow-growing scalp hairHyperkeratosisParakeratosisSparse scalp hairAlopecia of scalpEpidermal acanthosisPruritusAtopic dermatitisAllergic rhinitisIncreased circulating IgE concentrationScaling skin

Classification & Codes

Orphanet Code

ORPHA:90368
hypotrichosis simplex of the scalp
OrphanetORPHA:90368
Treatments0 drug(s)
Symptoms on record12 signs
Statuspublished
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO