Rare diseases · Sign or symptom
Hypokalemia
Low blood potassium levels
HP:0002900
What it means
The concentration of potassium(1+) in the blood circulation is below the lower limit of normal.
Rare diseases that can present with this39
Very common80–99%
14- Adrenocortical carcinoma with pure aldosterone hypersecretion
- Apparent mineralocorticoid excess
- Bartter syndrome type 4
- Congenital adrenal hyperplasia due to 11-beta-hydroxylase deficiency
- Cystinosis
- Distal renal tubular acidosis
- EAST syndrome
- Ectopic aldosterone-producing tumor
- Familial hyperaldosteronism type III
- Gitelman syndrome
- Infantile nephropathic cystinosis
- Liddle syndrome
- Primary hyperaldosteronism-seizures-neurological abnormalities syndrome
- VIPoma
Common30–79%
11- Adrenocortical carcinoma
- Cholera
- Colchicine poisoning
- Congenital adrenal hyperplasia due to 17-alpha-hydroxylase deficiency
- Generalized glucocorticoid resistance syndrome
- Mercury poisoning
- Nelson syndrome
- Oculocerebrorenal syndrome of Lowe
- Primary Fanconi renotubular syndrome
- Primary unilateral adrenal hyperplasia
- Proximal renal tubular acidosis
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: Decreased potassium(1+) concentration · Decreased potassium(1+) level · Decreased potassium(1+) level in blood · Reduced potassium(1+) concentration · Reduced potassium(1+) level · Reduced potassium(1+) level in blood
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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.