Health Tip: When a Rash Signals Trouble

(HealthDay News) -- A skin rash often isn't a major worry, but there are warning signs that it could mean trouble.

The American Academy of Dermatology says medical intervention in warranted when a rash:

• Spreads across the entire body. This could indicate a serious allergic reaction.
• Is accompanied by fever. This warrants an immediate trip to the emergency room, as it could indicate a serious infection.
• Spreads suddenly and very quickly.
• Forms blisters.
• Becomes painful.