Jan 30, · With rash. Facial rashes, redness, itching and swelling may arise from a chronic skin condition, insect bites or an allergic reaction to an offending substance. Determining the cause of an outbreak often helps prevent recurring episodes and the accompanying embarrassment, irritation and frustration. Here are some of the causes of facial. Dec 08, · A facial rash of purple spots (petechiae) with a fever and stiff neck can indicate a serious, potentially life-threatening condition, such as bacterial meningitis.