3 citations
,
November 2019 in “Clinical psychopharmacology and neuroscience/Clinical Psychopharmacology and Neuroscience” Valproate can cause both hair loss and curly hair in bipolar disorder patients.
21 citations
,
June 2011 in “Journal of child neurology” This study found that while serum zinc levels were lower in children treated with valproic acid or carbamazepine than in healthy controls, zinc, biotin, and biotinidase enzyme activity remained within normal ranges and unaffected by these treatments.
16 citations
,
May 2009 in “Journal of child neurology” In this study, valproic acid treatment did not significantly affect serum biotinidase enzyme activity in children, but was associated with hair loss in some patients, which resolved with biotin supplementation.
73 citations
,
October 2001 in “Epilepsia” In this study, valproic acid treatment was associated with reduced biotinidase activity and improved skin lesions after biotin supplementation in children with seizures.
15 citations
,
May 2006 in “Brain & development” The authors concluded that administering biotin may help prevent alopecia caused by reduced biotinidase activity during valproic acid therapy in rats.
September 2025 in “Indian Journal of Psychiatry” This study found that individuals taking valproate had a higher incidence of hair loss and reported an association between valproate levels, reduced biotinidase activity, and hair loss, compared to a control group.
8 citations
,
December 2019 in “Molecular genetics and metabolism reports” This study found that early biochemical screening and molecular confirmation are crucial for distinguishing profound from partial biotinidase deficiency, which supports timely treatment and management in symptomatic children.
3 citations
,
January 2021 in “Molecular genetics & genomic medicine” In this study, novel mutations in the BTD gene were identified in a patient with profound biotinidase deficiency, highlighting the importance of biotinidase activity measurement and mutation analysis for early diagnosis.
10 citations
,
April 2020 in “Clinics in Dermatology” This case report describes a girl in China with biotinidase deficiency confirmed by genetic mutations, whose skin and hair symptoms improved with biotin therapy.
20 citations
,
December 2011 in “Journal of inherited metabolic disease” This study found that valproic acid may interfere with the leucine metabolic pathway by inhibiting 3-methylcrotonyl-CoA carboxylase and biotinidase, which could contribute to side effects like skin rash and hair loss in patients.
166 citations
,
November 2008 in “Expert Review of Endocrinology & Metabolism” This review discusses biotin and biotinidase deficiencies, their symptoms, and methods of medical management, without presenting new clinical findings.
13 citations
,
November 2013 in “Seizure: European Journal of Epilepsy” This study reports that hair loss may be a rare side effect of levetiracetam in epilepsy patients and appears reversible upon dose reduction or cessation.
2 citations
,
January 2013 in “Elsevier eBooks” The document explains the genetic causes and characteristics of inherited hair disorders.
May 2026 in “International Journal of Creative and Open Research in Engineering and Management” This review reports that nutritional and lifestyle factors, such as micronutrient deficiencies and stress, play a significant role in hair health and loss, but emphasizes that evidence for interventions remains limited and more research is needed to establish clear clinical guidelines.
85 citations
,
April 2012 in “PLOS ONE” This study found that valproic acid promoted hair re-growth in C3H mice by activating the Wnt/β-catenin pathway, suggesting its potential as a treatment for alopecia.
18 citations
,
October 2018 in “Nutrients” This study found that Annurca apple polyphenolic extracts reprogram hair follicle metabolism in mice, enhancing mitochondrial activity and keratin production while inhibiting some metabolic pathways.
22 citations
,
January 2015 in “Dermatology Research and Practice” This study found that an oral marine protein supplement significantly increased hair growth and reduced hair shedding in women with temporary thinning hair over 90 days compared to a placebo.
16 citations
,
October 1994 in “PubMed” This review, drawing on literature and personal experience, suggests that sodium valproate is a safe and effective antiepileptic drug for various epileptic conditions in children and adults, including the elderly.
This review covers medication-induced telogen effluvium with a focus on systemic retinoids, antifungal agents, and psychotropic medications, and reports no new clinical results.
July 2025 in “Cosmoderma” In this study, a 90-day course of a plant-based supplement significantly improved hair density, skin hydration, and nail growth among participants with dermatological concerns, while also reducing hair fall and pigmentation, without adverse effects.
5 citations
,
March 2021 in “International Journal of Dermatology” This study found that adding 10 mg/day of biotin to isotretinoin treatment for acne improved hair growth and maintained skin hydration, potentially reducing isotretinoin's mucocutaneous side effects.
2 citations
,
December 2014 This review discusses the role of biotin in metabolism and the consequences of its deficiency, reporting no new clinical results.
24 citations
,
January 2020 in “International Journal of Molecular Sciences” This review discusses the potential benefits of flavonoid-containing botanicals, such as Panax ginseng, in reducing hair loss and promoting hair growth, but reports no new experimental results.
10 citations
,
September 2013 in “Nutrition” In this animal study, the ketogenic diet was associated with more severe biotin deficiency in biotin-deficient mice, suggesting that biotin supplementation is important when following this diet.
September 1997 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Psychological factors play a significant role in developing alopecia areata.
13 citations
,
January 2016 in “Journal of cosmetology & trichology” This review discusses the emerging pathophysiological factors and potential new therapies for androgenetic alopecia beyond traditional treatments, but reports no new results.
10 citations
,
January 2016 in “Dermatologic Clinics” This review discusses the side effects and monitoring guidelines for commonly prescribed systemic acne treatments and reports no new clinical findings.
7 citations
,
January 2009 in “Immunological investigations” This report describes a rare case of alopecia areata universalis developing in a child during the recovery phase of phenobarbital-induced anti-convulsant hypersensitivity syndrome, which suggests a mechanism involving lymphocyte-related immune responses.
1 citations
,
August 2020 in “IntechOpen eBooks” This review highlights drug repositioning strategies for discovering new treatments for skin conditions and reports no new clinical results, emphasizing the integration of systematic methods with advances in molecular biology and omics.
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” This study highlights the roles of dietary nutrients in maintaining skin health, noting that shortages can lead to hard-to-detect dysfunctions, and suggests that nutraceuticals may help address these nutritional gaps and improve skin-related issues linked to aging and dermatoses.