Rare diseases · Sign or symptom
Tracheomalacia
Floppy windpipe
HP:0002779
Rare diseases that can present with this22
Sometimes5–29%
13- 2q37microdeletion syndrome
- AHDC1-related intellectual disability-obstructive sleep apnea-mild dysmorphism syndrome
- B3GALT6-related spondylodysplastic Ehlers-Danlos syndrome
- Cerebrofacioarticular syndrome
- Choanal atresia
- Cognitive impairment-coarse facies-heart defects-obesity-pulmonary involvement-short stature-skeletal dysplasia syndrome
- Geleophysic dysplasia
- Hallermann-Streiff syndrome
and 5 more in this range
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
Tracheomalacia
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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.