A knee cyst, also known as a popliteal cyst, is a fluid-filled lump that usually causes swelling behind the knee. The condition can lead to a feeling of tightness around the knee. It can also result ...

DEAR MAYO CLINIC: I developed a Baker’s cyst on the back of my knee several months ago. My doctor drained the fluid from it, but now it’s back. What could be causing this? What is the best way to ...

Polycystic kidney disease (PKD) is a common genetic disorder, and it's thought to affect over 12 million people every year. PKD causes fluid filled cysts to form in the kidney, causing pain and high ...

There's acne, and then there's cystic acne-those blemishes that are swollen, red, and live under the skin. While those zits may not rear their ugly heads like other pimples, they're painful-and ...

It often starts as a sore spot you assume is a zit, ingrown hair, or minor irritation. Then it gets worse. Sitting becomes ...

Conjunctival cysts occur on the outer membrane of your eye. They typically only require treatment if they cause symptoms, like swelling or dryness. What is a conjunctival cyst? A conjunctival cyst is ...

‘I’m a Dermatologist, and These Are the 5 Skincare Products That Will Keep Your Face Happy This Winter’ Pimples are a pestilent, diverse breed. One thing that makes them particularly annoying is that ...