Rare diseases · Sign or symptom
Action tremor
HP:0002345
What it means
A tremor present when the limbs are active, either when outstretched in a certain position or throughout a voluntary movement.
Action tremor occurs with voluntary contraction of muscle. Subforms of action tremor include postural, isometric, and kinetic tremors
Rare diseases that can present with this20
Common30–79%
9Sometimes5–29%
9- Adult-onset autosomal dominant leukodystrophy
- Alacrimia-choreoathetosis-liver dysfunction syndrome
- Autosomal recessive progressive external ophthalmoplegia
- Cockayne syndrome
- Dravet syndrome
- Morgagni-Stewart-Morel syndrome
- Primary dystonia, DYT13 type
- Wiedemann-Rautenstrauch syndrome
and 1 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
Also called: Ataxic tremor
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.