Definition
A skin rash, also called exanthema, is a reddening of the skin that occurs for various reasons and can be accompanied by burning, itching or wetting. The formation of blisters filled with water or pus can also occur in certain diseases. In the following article you will find possible causes for the development of a skin rash with blisters.
Causes
Possible causes can be: More details about the different possible causes of a rash with blisters can be found on our rash causes page
- Chickenpox (Varicella zoster virus)
- Shingles
- Blistering diseases
- Allergic contact eczema
- Burning/scalding
A possible cause of a skin rash with water vesicles can be chickenpox, which is caused by an infection with the varicella zoster virus. The water vesicles occur in different stages: The vesicles are on a red background, itchy and are filled with clear wound fluid and sometimes pus, which is contagious.
- Before the formation of the bubble
- As intact bubble
- Already opened bubbles and the
- Crusts of the healing blisters.
The varicella zoster virus remains in the nerves after the infection and can reappear as a result of an immune deficiency or in older people as shingles.
A dermatome is typically affected as a delimited skin area that is innervated by a nerve. On the red rash you can find again the water vesicles in the different stages. Shingles can cause severe pain and itching.
Another skin rash that mainly affects older people is blistering. This is an autoimmune reaction of the skin, of which there are different forms. The disease begins with a red rash, on which large blisters filled with little water then form.
An allergic contact eczema, i.e. a rash caused by an allergic reaction, can also lead to blistering or itching. In the course of a burn or scalding, the skin is severely reddened. Depending on the severity, blistering can also occur here.
