instruction: hi doctor I have developed some brown patches and freckle like spots on my left hand overnight I went to bed last night with a new light brown freckle on the palm of my hand and woke up this morning to it being darker and there being more freckles and patches there are a couple of patches on my ring finger and it looks like a stain the brown spots seem to have become darker over the day and a couple more have appeared what do you think this could be as far as I am aware I have not been exposed to anything thank you
output: hello for further information consult a dermatologist online