Courtesy of the Centers for Disease Control and Prevention (CDC) Prev Next Cold sores, sometimes called fever blisters, are groups of small blisters on the lip and around the mouth. The skin around the blisters is often red, swollen, and sore. The blisters may break open, leak a clear fluid, and then scab over after a few days.
The blisters caused by dyshidrotic eczema tend to go away within 2 to 3 weeks. After this, the skin may become red, cracked, tight, or dry. Because the blisters can result in open areas of skin, a person with dyshidrotic eczema is at greater risk for skin infections, such as staph infections.
If you don't get it treated, the sores may cause permanent scars and changes in skin color. A rare complication of impetigo is a severe kidney disease called post-streptococcal glomerulonephritis. Causes. The most common cause of impetigo is bacteria called Staphylococcus aureus. Another bacteria source is group A streptococcus.
Poison oak rash is an allergic reaction to the leaves or stems of the western poison oak plant (Toxicodendron diversilobum). The plant looks like a leafy shrub and can grow up to six feet tall. In shady areas, the plant can grow like a climbing vine.
Scabies is extremely itchy and causes gray lines on your skin along with red bumps. Scabies mites are transmitted by skin-to-skin contact with an infected person or by extended contact with the clothing, bedding, or towels of an infected person. People of any class or race can get scabies, and it’s most common where living conditions are crowded.