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Curly Hair: A Rare Side Effect of Sodium Valproate in a Child

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Curly Hair: A Rare Side Effect of Sodium Valproate in a Child

Rajani H S.
Department of Pediatrics, JSS Medical College, JSS Academy of Higher Education and Research, Mysore, India.
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S R H. Curly Hair: A Rare Side Effect of Sodium Valproate in a Child. Pediatr Oncall J. 2019;16: 92. doi: 10.7199/ped.oncall.2019.29

Address for Correspondence
Dr. Rajani H S, Assistant Professor, Department of Pediatrics, JSS Medical College, JSS Academy of Higher Education and Research, Mysore 570004, India.
 
Email
drrajanihs@jssuni.edu.in
 
Keywords
Curly hair, sodium valproate, epilepsy
 
A 13 years old boy suffering from epilepsy post viral encephalitis was on sodium valproate (10 mg/kg/day) for two years. At the sixth month of valproate usage, father noticed that the child’s hair was becoming curly (figure 1 and 2). There was no hair loss. No other adverse effects were noted. Laboratory tests in form of complete blood count and liver enzymes were normal.
Valproate is used in the treatment of epilepsy. The drug has many side effects such as weight gain, gastrointestinal disturbances, drug interactions, acute liver disease, pancreatitis, hyperglycinemia, hyperammonemia, sedation, alopecia, hair loss and tremors.1,2,3 Valproate-induced hair texture changes such as curly hair has rarely been reported4,5,6,7 which usually occurs after 3 months after starting therapy. In a study done by Mattson and colleagues, on comparison between sodium valproate and carbamazepine for the treatment of generalized tonic-clonic seizures, it was found that 12% of patients using valproate had hair loss or change in texture.8 The mechanism of valproate induced effects on hair is unclear; however, it may be related to the effects of chelating of metals (copper, zinc, and magnesium) as well as inhibition of metallic enzymes.5 The original and normal texture of hair reappears after stopping sodium valproate.8

Figure 1. Hair before sodium valproate therapy


Figure 2. Hair after 6 months of sodium valproate therapy


 
Funding
None
 
Conflict of Interest
None
 
References :
  1. Gerstner T, Lipinski C, Longin E, König S. Valproate-induced change in hair color. J Am Acad Dermatol. 2008;58(2 Suppl):S63–S64.  [CrossRef]  [PubMed]
  2. Chen B, Choi H, Hirsch LJ, Moeller J, Javed A, Kato K, et al. Cosmetic side effects of antiepileptic drugs in adults with epilepsy. Epilepsy Behav. 2015; 42:129-137.  [CrossRef]  [PubMed]
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  8. Mattson RH, Cramer JA, Collins JF. A comparison of valproate with carbamazepine for the treatment of complex partial seizures and secondarily generalized tonic-clonic seizures in adults. The Department of Veterans Affairs Epilepsy Cooperative Study No. 264 Group. N Engl J Med. 1992 Sep 10;327(11):765-71.  [CrossRef]  [PubMed]

Last Updated : 01 July 2019 Vol 16 Issue 3 Art #29

DOI No : https://doi.org/10.7199/ped.oncall.2019.29

Cite this article as: :
S R H. Curly Hair: A Rare Side Effect of Sodium Valproate in a Child. Pediatr Oncall J. 2019;16: 92. doi: 10.7199/ped.oncall.2019.29
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