Rare diseases · Sign or symptom
Thick eyebrow
Bushy eyebrows
HP:0000574
What it means
Increased density/number and/or increased diameter of eyebrow hairs.
Thickness can be regional (medial, middle/central, lateral) or total.
Rare diseases that can present with this82
Very common80–99%
31- 3M syndrome
- Amaurosis-hypertrichosis syndrome
- Blepharophimosis-ptosis-esotropia-syndactyly-short stature syndrome
- Cantú syndrome
- Cataract-growth hormone deficiency-sensory neuropathy-sensorineural hearing loss-skeletal dysplasia syndrome
- Cerebrofaciothoracic dysplasia
- Christianson syndrome
- Coffin-Siris syndrome
- Cohen syndrome
- Cornelia de Lange syndrome
- Craniodigital-intellectual disability syndrome
- Distal deletion 19p syndrome
- EEC syndrome
- Facial dysmorphism-macrocephaly-myopia-Dandy-Walker malformation syndrome
- Familial osteodysplasia, Anderson type
- Gingival fibromatosis-facial dysmorphism syndrome
- Hajdu-Cheney syndrome
- Hurler syndrome
- Hypertrichosis lanuginosa congenita
- Microtriplication 11q24.1 syndrome
- Non-distal duplication 13q syndrome
- Progeroid syndrome, Petty type
- Ptosis-upper ocular movement limitation-absence of lacrimal punctum syndrome
- Radioulnar synostosis-microcephaly-scoliosis syndrome
- SPECC1L-related hypertelorism syndrome
- Trisomy 12p syndrome
- Trisomy 20p syndrome
- Trisomy 4p syndrome
- Waardenburg syndrome type 1
- Waardenburg syndrome type 3
- Wilson-Turner syndrome
Common30–79%
19- 17q24.2microdeletion syndrome
- Aphonia-deafness-retinal dystrophy-bifid halluces-intellectual disability syndrome
- Borjeson-Forssman-Lehmann syndrome
- Brachydactyly-preaxial hallux varus syndrome
- Camptodactyly syndrome, Guadalajara type 3
- CTCF-related neurodevelopmental disorder
- Intellectual disability-autism-speech apraxia-craniofacial dysmorphism syndrome
- KBG syndrome
- Monosomy 9p syndrome
- Multiple sulfatase deficiency
- Phelan-McDermid syndrome
- Ring chromosome 22 syndrome
- Ring chromosome 9 syndrome
- Severe intellectual disability-corpus callosum agenesis-facial dysmorphism-cerebellar ataxia syndrome
- Spondyloepiphyseal dysplasia-brachydactyly-speech disorder syndrome
- Temple-Baraitser syndrome
- Trichorhinophalangeal syndrome type 2
- Wiedemann-Steiner syndrome
- X-linked intellectual disability, Stevenson type
The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
Also called: Dense eyebrow · Heavy eyebrows · Hypertrichosis of the eyebrow · Hypertrichosis of the eyebrows · Prominent eyebrows · Thick eyebrows
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Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.