The cause of your rash could be any number of different sources, from a simple reaction to a substance your skin came in contact with to a more severe reaction caused by an insect bite to highly contagious rashes that can easily be passed from one person to another. The team of doctors and health professionals at Rachman Medical Group can help you pinpoint the cause of your rash in order to determine how to properly treat it. Some common causes of rashes include: • Flea or other insect bites • Fifth disease • Rosacea • Impetigo • Ringworm • Contact dermatitis • Hand, foot and mouth disease • Eczema • Psoriasis • Chicken pox • Shingles • Scabies • And many other conditions Rashes caused by dermatitis are the result of the skin coming into direct contact with a substance that causes the body to react negatively, causing the skin to form a rash as a form of protection. Some common substances that cause rashes include laundry detergent, soaps, beauty products, clothing dye, chemicals and poisonous plants. Medications can also cause rashes due to an allergic reaction, a side effect or as a result of photosensitivity to the medication.