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Hot water reflex epilepsy is a rare neurologic disease characterized by the onset of generalized or focal seizures following immersion of the head in hot water, or with hot water being poured over the head. Primary generalized tonic-clonic seizures have been reported in rare cases.
Estimated prevalence: 1-9 in 100,000 (Uncommon).
No clinical trials have been registered for hot water reflex epilepsy.
5 publications have been identified in PubMed for hot water reflex epilepsy. Research spans Case Report / Case Series (40%), Basic Science / Preclinical (40%), and Other (20%).
Bhanudeep S (2026). [PMID: 41572370](https://pubmed.ncbi.nlm.nih.gov/41572370/). *Ann Indian Acad Neurol*. [Case Report / Case Series]
Saini L (2025). [PMID: 39562489](https://pubmed.ncbi.nlm.nih.gov/39562489/). *Indian J Pediatr*. [Other]
Alves Jesus CH (2025). [PMID: 39718050](https://pubmed.ncbi.nlm.nih.gov/39718050/). *Behav Pharmacol*. [Basic Science / Preclinical]
Yimenicioğlu S (2024). [PMID: 39003967](https://pubmed.ncbi.nlm.nih.gov/39003967/). *Epilepsy Res*. [Case Report / Case Series]
Sui AR (2024). [PMID: 38830458](https://pubmed.ncbi.nlm.nih.gov/38830458/). *Eur J Pharmacol*. [Basic Science / Preclinical]
Data assembled from 3 of 12 sources · Last updated Sep 19, 2026, 1:03 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center