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Types of Skin Diseases

Skin diseases are conditions that affect the skin. These may cause rashes, inflammation, itchiness, or other skin changes. Some skin conditions may be genetic, while lifestyle factors may cause others. Skin disease treatment may include medications, creams, ointments, or lifestyle changes.

What are Skin Diseases?

Your skin is the large organ that covers and protects your body. Your skin has many functions. It works to:

  • Hold in fluid and prevent dehydration.
  • Help you feel sensations, such as temperature or pain.
  • Keep out bacteria, viruses, and other causes of infection.
  • Stabilize your body temperature.
  • Synthesize vitamin D in response to sun exposure.

Skin diseases include all conditions that clog, irritate or inflame your skin. Often, skin diseases cause rashes or other changes in your skin’s appearance.

Common Types of Skin Diseases

Some skin diseases are minor. Some of the most common skin diseases include:

  • Acne blocks skin follicles that lead to oil, bacteria, and dead skin buildup in your pores.
  • Alopecia areata, losing your hair in small patches.
  • Atopic dermatitis is dry, itchy skin that leads to swelling, cracking or scaliness.
  • Psoriasis is scaly skin that may swell or feel hot.
  • Raynaud’s phenomenon, is periodic reduced blood flow to your fingers, toes, or other body parts, causing numbness or skin color change.
  • Rosacea, flushed, thick skin and pimples, usually on the face.
  • Skin cancer, uncontrolled growth of abnormal skin cells.
  • Vitiligo, patches of skin that lose pigment.

Different Skin Disorders


  • It is located on the face, neck, shoulders, chest, and upper back.
  • Breakouts on the skin are composed of blackheads, whiteheads, pimples, or deep, painful cysts and nodules.
  • It May leave scars or darken the skin if untreated.

Cold sore

  • Red, painful, fluid-filled blister that appears near the mouth and lips
  • The affected area will often tingle or burn before the sore is visible
  • Outbreaks may also accompany mild, flu-like symptoms such as low fever, body aches, and swollen lymph nodes.