A white patch is not automatically vitiligo. Fungal conditions, post-inflammatory colour change and several other disorders can look pale. Vitiligo is a diagnosis based on pattern and examination, sometimes supported by a Wood’s lamp or other assessment.
Three questions shape the plan
Is the diagnosis definitely vitiligo? Is it active or stable? How much skin is involved and where? A small stable patch on the face is a very different situation from rapidly spreading disease or involvement of hair-bearing areas.
Repigmentation takes time
Topical medicines, phototherapy and other options may be discussed depending on age, site and extent. Stable vitiligo in selected patients can sometimes be considered for surgical approaches. Response varies by body site, and maintenance may be needed even after improvement.
Avoid the blame cycle
Vitiligo is not caused by poor hygiene and it is not contagious. Diet myths can create unnecessary anxiety. If you notice a new patch, the useful next step is documentation and examination — not eliminating a long list of foods without evidence.
When faster assessment is helpful
Rapid spread, involvement around the eyes or genitals, new white hair in patches, or significant emotional distress are all reasonable reasons to seek review. Children also deserve an age-appropriate assessment rather than using an adult relative’s medicines.
Related clinic page: General Dermatology