Christopher J. Haas, MD, FAAD, is a board-certified dermatologist with LCMC Health in Louisiana. In addition to his clinical practice, he serves as assistant professor of dermatology at LSU Health ...

Viral skin rashes (also known as viral exanthems) can cause itching, irritation, and pain — and possibly symptoms like fever or fatigue. Unlike allergic rashes, which happen when your immune system ...

That mysterious dark spot on your arm. The raised bump that appeared overnight. The cluster of tiny dots near your shoulder. When new marks appear on your skin, it’s natural to feel concerned about ...

Age spots are harmless marks that can appear on the skin as a person ages. These spots can look similar to some types of skin cancer or precancerous growths. Both age spots and skin cancer are more ...

Last December, Sarah Eggenberger noticed a small red spot on the left side of her nose. “(It) almost presented itself like a broken capillary or an aging spot,” the 48-year-old TODAY contributor and ...

There are two types of skin pigmentation disorders: hyperpigmentation, in which the skin produces too much melanin, and hypopigmentation, in which the skin produces too little melanin. Skin ...

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