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Content updated on May 23, 2022
Seek professional care if you experience any of the following symptoms
Moles on the skin and lining of the mouth
Nevus (sebaceous nevus, pigmented cell nevus, nevus of Ota, epidermal nevus)
Also known as moles, these are clumps of pigmented (colored) cells. The condition is often present at birth, and is nearly always harmless.
Subungual bleeding
This is a purplish discoloration of the nails as a result from bleeding under the nail. This is caused by direct trauma.
This is a common fungal infection that causes discolored patches, often on the chest, back, arms and neck. It is due to an overgrowth of a type of fungus that is found normally on skin. It most frequently affects young adults and teens, and in hot and humid climates.
Malassezia infection
Lichen simplex chronicus
Purpura pigmentosa
Pityriasis rubra pilaris
Chloasma
Your doctor may ask these questions to check for this symptom
Are there black, blue, or brown spots on the skin or elsewhere? (Including moles)
Other Related Symptoms
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Ubie is supervised by 50+ medical experts worldwide
Seiji Kanazawa, MD, PHD
Obstetrics and gynecology (OBGYN)
National Center for Child Health and Development, Japan