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Hi - I have a small patch of vitiligo under my left knee which developed a year ago. Is there a way to tell if it will spread and how fast – are there any signs to look out for?

Many thanks
Diane

Dear Diane

Thank you for this interesting question.

There have a variety of case studies that have looked at patients with vitiligo and signs that may indicate a poor prognosis in terms of spread. Vitiligo is an unpredictable condition and sometimes not much can be done to prevent it from spreading. However early detection is important for a better outcome.

Some features to look out for include, confetti- like pigmentation, irregular borders to the vitiligo patch, itching and inflammation. These features can indicate an active vitiligo and infact treating at this stage will result in a better chance of re-pigmentation. Sometimes these features can be difficult to see, a woods lamp can help with delineating borders. I'd advise seeing a dermatologist who can assess and treat sooner rather than later.

Hope that helps.

Dr Adil Sheraz
Insta dr_adilsheraz