Vitiligo: Causes, Symptoms & Treatment
A doctor-reviewed guide to understanding vitiligo and available repigmentation treatments.
What is Vitiligo?
Vitiligo is a long-term skin condition in which pigment-producing cells called melanocytes are destroyed, resulting in smooth, white patches of skin. It can affect any part of the body, including the face, hands, and areas around body openings, and may also affect hair color. It is considered an autoimmune-related condition.
Causes of Vitiligo
- Autoimmune destruction of melanocytes (pigment cells)
- Genetic predisposition and family history
- Oxidative stress within skin cells
- Neurogenic factors affecting pigment cells
- Triggers such as sunburn, skin trauma, or significant emotional stress
Symptoms of Vitiligo
- Flat, well-defined white patches on the skin
- Premature whitening or graying of scalp, eyelash, or beard hair
- Loss of color inside the mouth or nose (in some cases)
- Patches that may be symmetrical or localized to one area
- Gradual increase in patch size or number over time in some patients
Types of Vitiligo
- Non-segmental (generalized) – symmetrical patches on both sides of the body, most common type
- Segmental – patches on one side or segment of the body, often starts earlier and stabilizes faster
- Focal – limited to one or a few small areas
- Universal – widespread loss of pigment over most of the body
Diagnosis
Diagnosis is usually made through a physical examination, often aided by a Wood's lamp (UV light) that helps highlight depigmented areas. Blood tests may occasionally be recommended to check for associated autoimmune conditions like thyroid disorders.
Treatment Options
- Topical corticosteroids and calcineurin inhibitors
- Narrowband UVB (NB-UVB) phototherapy
- Excimer laser therapy for localized patches
- JAK inhibitor creams — a newer targeted therapy option
- Surgical options like melanocyte transplantation for stable, resistant patches
- Medical camouflage and depigmentation therapy (for widespread cases)
Living With Vitiligo
Sun protection is important, as affected skin burns more easily. Emotional support and counseling can also be valuable, since vitiligo can affect confidence and mental well-being — support groups and open conversations with a dermatologist can help.
When to See a Doctor
See a dermatologist as soon as you notice new white patches, since earlier treatment generally leads to better repigmentation outcomes and helps monitor for any associated autoimmune conditions.