Rare diseases · Sign or symptom
Hyposthenuria
HP:0003158
What it means
An abnormally low urinary specific gravity, i.e., reduced concentration of solutes in the urine.
Hyposthenuria may occur with impaired renal concentrating power or upon abnormally low hormonal stimulation, as in diabetes insipidus.
Rare diseases that can present with this4
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: Reduced urinary osmolality
Tracking symptoms like this for someone? Eleplan keeps symptoms, diagnoses, medications and every specialist in one plan.
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.