Rare diseases · Sign or symptom
Malnutrition
HP:0004395
What it means
A deficiency in the intake of energy and nutrients.
In everyday care
Most people with this sign do not have a rare disease — it appears in common conditions far more often. These general reference pages cover the same topic:
Rare diseases that can present with this25
Common30–79%
15- AA amyloidosis
- AIDS wasting syndrome
- Autosomal recessive generalized dystrophic epidermolysis bullosa, intermediate form
- Chronic hiccup
- Diffuse cutaneous mastocytosis
- Glucose-galactose malabsorption
- Maternal uniparental disomy of chromosome 4 syndrome
- Ménétrier disease
- Pellagra
- Refractory celiac disease
- Secondary short bowel syndrome
- Severe generalized junctional epidermolysis bullosa
- Shwachman-Diamond syndrome
- Tropical endomyocardial fibrosis
- Wolman disease
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
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.