A rash is a temporary eruption or discoloration of the skin and is often inflamed or swollen. Rashes come in many forms and levels of severity, and they last for different amounts of time. Some common causes of rashes include the following.
Infections
This broad category covers a wide range of illnesses, including:
- Viral infections, such as measles, rubella, roseola, fifth disease, varicella zoster, herpes or shingles
Bacterial infections, such as impetigo, scarlet fever or Lyme disease