What vitamin are you lacking when you itch?: Exploring Nutritional Causes of Pruritus
                                
                                
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                                    5 min read                                
                            
                                According to the British Association of Dermatologists' guidelines, iron replacement is recommended for patients with generalized pruritus due to iron deficiency. So, what vitamin are you lacking when you itch? It could be a mineral like iron or a vitamin deficiency, as several nutritional shortfalls can manifest as itchy skin.