How do dermatologists diagnose melasma?
Dermatologists can diagnose most patients by looking at their skin. To see how deeply the melasma penetrates the skin, your dermatologist may look at your skin under a device called a Wood’s light.
Sometimes melasma can look like another skin condition.
To rule out another skin condition, your dermatologist may need to remove a small bit of skin. This procedure is called a skin biopsy. A dermatologist can safely and quickly perform a skin biopsy during an office visit.
How do dermatologists treat melasma?
Melasma can fade on its own.
This usually happens when a trigger, such as a pregnancy or birth control pills, causes the melasma. When a woman delivers her baby or stops taking the birth control pills, melasma can fade.
However, some people have melasma for years, or even a lifetime.
If the melasma does not go away or a woman wants to keep taking birth control pills, melasma treatments are available.
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Hydroquinone: This medicine is a common first treatment for melasma. It is applied to the skin and works by lightening the skin.
You will find hydroquinone in medicine that comes as a cream, lotion, gel, or liquid. You can get some of these without a prescription.
These products contain less hydroquinone than a product that your dermatologist can prescribe.
Tretinoin and corticosteroids: To enhance skin lightening, your dermatologist may prescribe a second medicine. This medicine may be tretinoin or a corticosteroid.
Sometimes a medicine contains three medicines (hydroquinone, tretinoin, and a corticosteroid) in one cream. This is often called a triple cream.
Other topical (applied to the skin) medicines: Your dermatologist may prescribe azelaic acid or kojic acid to help lighten melasma.
Procedures: If medicine you apply to your skin does not get rid of your melasma, a procedure may succeed.
Procedures for melasma include a chemical peel, microdermabrasion, dermabrasion, laser treatment, or a light-based procedure.
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Only a dermatologist should perform these procedures. New skin problems can occur when the person who gives the treatment does not tailor it to the patient’s skin type.
Ask your dermatologist about possible side effects (health problems that can result from the treatment).
If you notice any of the following after getting treatment for melasma, be sure to call your dermatologist:
Darkening of the skin
Under a dermatologist’s care, many people with melasma have a good outcome.
Melasma can be stubborn, though. It may take a few months of treatment to see improvement.
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It is important to follow your dermatologist’s advice. This ensures that you get the most benefit from treatment. It also can help avoid skin irritation and other side effects.
After your melasma clears, you may need to keep treating your skin.
Your dermatologist may call this maintenance therapy. Maintenance therapy can prevent melasma from returning.
You can help prevent your melasma from returning by wearing sunscreen and a wide-brimmed hat every day.