Hand, foot, and mouth disease can cause sores or rashes on the hands, feet, and inside the mouth, often seen in young children. It's usually mild and resolves on its own, but seeing pictures can help identify it. Have you noticed similar symptoms in someone you know, or are you just curious about the condition? If there are specific concerns, it's always a good idea to consult a healthcare provider for advice. What else would you like to know about it?