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Fluid retention and cardiomegaly associated with carbamazepine in an epileptic child
1Department of Cardiology, Dr. Sami Ulus Children's Hospital, Ankara, Türkiye.
Insights
Carbamazepine (CBZ) can cause fluid overload and heart enlargement in children, a rare side effect. This case highlights the syndrome of inappropriate antidiuretic hormone secretion (SIADH) linked to CBZ in pediatric patients.
Area of Science:
- Pediatric Endocrinology
- Clinical Pharmacology
- Neurology
Background:
- Carbamazepine (CBZ) is known to cause antidiuretic effects, a recognized complication in adults.
- Syndrome of inappropriate antidiuretic hormone secretion (SIADH) due to CBZ is rarely reported in children.
- Fluid overload and cardiomegaly are potential adverse effects of CBZ therapy.
Abstract:
Carbamazepine (CBZ) has been reported to have an antidiuretic action, though it is not known how it produces this effect. This is a well recognized complication of CBZ therapy in adults. However this syndrome has been rarely observed in childhood. We present an epileptic child with fluid overload due to CBZ treatment who was referred with chest pain and cardiomegaly. Our patient developed fluid retention with cardiomegaly during treatment with CBZ alone at a normal dose and for a short time. To our knowledge this is the first case of the syndrome of inappropriate antidiuretic hormone secretion (SIADH) due to CBZ therapy which has been observed to be associated with cardiomegaly.
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