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Are symmetrical rashes on both feet uncommon?

My teenage son is sick in bed with symmetrical rashes on each of his feet. How common or uncommon is this? What does it mean? Should we take him to a doctor even if he seems fine in other respects?
Many acute viral infections can cause rashes that can appear on various parts of the body. These rashes are usually light red to pink in color and may fluctuate with fever. Also if you press on the rash it should get white in color. If your son also has fever, cough, and other symptoms of a cold-like illness then this is probably what is going on, and you can continue to watch it at home. However, if he looks very ill, has very high fever, or is unable to eat or drink then you should take him to the doctor. There are a couple types of rashes that are more concerning for more serious infections or illnesses and should not be ignored. For example, if your son has a rash that is primarily on the soles of his feet (rather than the tops and shins) this would be very unusual and should get checked out right away. Also, if the rash appears dark red or purple and does not fade in color very much when you press on it, this is more serious as it could represent an inflammation of the blood vessels and should get checked out right away in the emergency room or by your pediatrician.
This answer is for general informational purposes only and is not a substitute for professional medical advice.
If you think you may have a medical emergency, call your doctor or (in the United States) 911 immediately. Always seek the advice of your doctor before starting or changing treatment. Medical professionals who provide responses to health-related questions are intended third party beneficiaries with certain rights under Zocdoc’s Terms of Service.

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