It is caused when blocked skin follicles from a plug caused by oil from glands, bacteria, and dead cells clump together and swell.

It is a group of diseases causing painful blisters to form on the skin. These blisters can cause problems if they become infected.

It is a disease that affects blood vessels. It causes your body to not send enough blood to the hands and feet for a period of time.

It is a rare disorder causing thick nails and painful calluses on the bottoms of the feet and other symptoms.

It is a condition that attacks your hair follicles (they make hair). In most cases, hair falls out in small, round patches.

Hidradenitis suppurativa (also known as acne inversa) is a chronic, noncontagious, inflammatory condition characterized by pimple-like bumps or boils and tunnels or tracts on and under the skin.

It is a disease where the immune system attacks healthy cells in the top layer of skin, resulting in blisters.

It is a long-term disease that causes reddened skin and pimples, usually on the face. It can also make the skin thicker and cause eye problems.

Vitiligo is a disorder that causes patches of skin to become white. It happens because cells that make color in your skin are destroyed.