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A Woods lamp test is a non-invasive diagnostic tool used to identify skin conditions like fungal infections, bacterial rashes, and pigmentary disorders. Dr. Toral Vaidya, MD, MPH, may recommend it to help create a precise, personalized treatment plan.
Why Your Dermatologist Might Recommend a Woods Lamp Test
At MDCS Dermatology, our providers use a variety of diagnostic tools to ensure you receive accurate, effective care. One such tool is the Woods lamp test—a non-invasive, painless method that can reveal underlying skin conditions not easily visible to the naked eye.
What Is a Woods Lamp Test?
A Woods lamp is a handheld device that emits ultraviolet (UV) light. When this light is directed onto the skin in a darkened room, certain skin conditions may fluoresce or appear highlighted under the light, helping your dermatologist make a more precise diagnosis.
Why Might You Need a Woods Lamp Test?
Toral Vaidya, MD, MPH, a board-certified dermatologist at MDCS Dermatology, may recommend a Woods lamp test for several reasons, including:
- Detecting Fungal Infections
Certain fungal infections, such as tinea capitis (scalp ringworm), glow under the UV light, making them easier to identify and treat. - Diagnosing Bacterial Infections
Conditions like erythrasma, a bacterial infection often mistaken for a fungal rash, fluoresce coral-red under the Woods lamp. - Assessing Pigmentary Disorders
The test helps evaluate conditions like vitiligo or melasma by highlighting areas of pigmentation loss or excess. - Identifying Porphyria
This rare metabolic disorder causes substances to build up in the skin, which may fluoresce under UV light. - Detecting Skin Changes in Sun Damage
The Woods lamp can reveal early signs of sun damage and photoaging that may not yet be visible under regular lighting.
What to Expect During the Test
The procedure is quick and painless. Your provider will ask you to sit or lie down in a dark room while they use the lamp to examine your skin. No preparation is necessary, and there is no downtime afterward.
When to Consider a Woods Lamp Test
If you notice unusual skin discoloration, persistent rashes, or unexplained spots, your dermatologist may use the Woods lamp to aid in diagnosis and treatment planning.
Schedule Your Dermatology Appointment
At MDCS Dermatology, our goal is to provide you with comprehensive, compassionate care. To schedule an appointment with Toral Vaidya, MD, MPH or one of our experienced providers, book online today.