What vitamin deficiency causes plantar keratoderma? Understanding the role of Vitamin A and zinc
                                
                                
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                                    4 min read                                
                            
                                Research confirms that while many cases are hereditary, some instances of acquired plantar keratoderma have been linked to nutritional shortfalls. This article explores what vitamin deficiency causes plantar keratoderma and other potential triggers for this condition of thickened skin on the hands and feet.