Some skin diseases are minor. Others cause severe symptoms. Some of the most common skin diseases include: Acne, blocked skin follicles that lead to oil, bacteria and dead skin buildup in your pores. Alopecia areata, losing your hair in small patches. Atopic dermatitis (eczema), dry, itchy skin that leads to swelling, cracking or scaliness.

The three main types of skin cancer are basal cell cancer, squamous cell cancer and melanoma. Basal cell and squamous cell skin cancers are very common. They rarely spread, can most often be completely removed in one sitting, and in general have an excellent prognosis. The prognosis for melanoma varies. Melanomas on the upper skin's surface only usually can be cured. Deeper melanomas are more likely to spread and more challenging to treat.

Some common skin conditions include eczema, psoriasis, hives, and vitiligo. Skin issues can generally be unsightly but harmless, contagious, itchy, painful, or a combination of those features. Here's what else you need to know about 15 common conditions, including treatment options and when to see a healthcare provider.

There are many different types of skin disorders. Here are pictures of 25 different conditions, followed by a list of details for each. on the face, neck, shoulders, chest, and upper back. Breakouts on the skin are composed of redness, blackheads, whiteheads, pimples, or deep, painful cysts and nodules.