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A drug-related embryofetopathy that can occur when an embryo/fetus is exposed to carbamazepine and that is characterized by facial dysmorphism, with some similarities to that seen in fetal valproate syndrome (see this term), such as epicanthal folds, upward slanting palpebral fissures, short nose, micrognathia and malar hypoplasia, as well as nail dysplasia and major anomalies including cleft lip/palate, neural tube defects and cardiac anomalies. In utero exposure to carbamazepine, in combination with valproate, has been associated with significant developmental delay (particularly affecting verbal intelligence) and a high rate of congenital anomalies.
Estimated prevalence: Unknown (Unknown prevalence).
No clinical trials have been registered for fetal carbamazepine syndrome.
4 publications have been identified in PubMed for fetal carbamazepine syndrome. Research spans Review / Meta-Analysis (50%) and Epidemiology / Natural History (50%).
Sheehy O (2026). [PMID: 41311311](https://pubmed.ncbi.nlm.nih.gov/41311311/). *Ann Neurol*. [Epidemiology / Natural History]
Ji Z (2025). [PMID: 40078296](https://pubmed.ncbi.nlm.nih.gov/40078296/). *Front Pharmacol*. [Epidemiology / Natural History]
De Bellis M (2025). [PMID: 40709084](https://pubmed.ncbi.nlm.nih.gov/40709084/). *Front Pharmacol*. [Review / Meta-Analysis]
Vigod SN (2025). [PMID: 39936923](https://pubmed.ncbi.nlm.nih.gov/39936923/). *Can J Psychiatry*. [Review / Meta-Analysis]
Data assembled from 3 of 12 sources · Last updated Sep 20, 2026, 8:42 AM UTC
European rare disease database
Genetic and Rare Diseases Info Center