Often multiple infections occur. Differential Diagnosis Primary Raynauds Disease. Colour changes occur in digits, from white to blue and finally turning red with a dull throbbing pain. When the digits become red from reactive hyperaemia it may be mistaken for paronychia. It is usually a well demarcated oedema.
Address cause ie.
Thoroughly dry hands and feet to starve microbes of ideal moist environment and allows cuticle to reform. Candidal preps to nail fold. Healing may take weeks, months and sometimes years. Manual of dermatologic therapies. Little, Brown and Company.