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Brown stains on palms

Like some of the other people who have inquired on this website, I too have woken up to find strange brown stains on the palm of my hand.  It looks like iodine stains.  My hands are clean when I go to bed the night before, and when I wake up the next morning, the strainge iodine-like staining is there.  It doesn't wash off, but does fade throughout the day.  If I'm not coming into contact with anything during my sleep, what could be causing this?  Could it be a delayed reaction from contact with some substance?  Why the irregular pattern (similar to bruising)?  If I came into contact with something, why isn't my whole hand this colour?  


This discussion is related to Brown stain on palms of hands.
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The one case that I saw,the whole thing cleared up in a couple of days.Not serious,you can apply canesten creme.
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i woke up one morning and it looked like i was staining wood or something and i am 8 months pregnant at night it is not there and in the morning it is then fades and goes away with in 48 hours.  I had nothing for about a month and now i wake up and it is on the bottoms of my feet and palms of hands, my OBGYN does not know what it is and has never seen anything like it in a pregnant person in his 25 years and my family Dr. refered me to a dermatoligist and the dermatoligist........well she is not sure and will look into it so is there no one in the world that can answer what this is.  there is no pain and comes on while sleeping.
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Why not get the pigmented area cultured for fungus?Atleast there is one diagnosis has been suggested and it should be pursued and ruled out.
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I had it 3-4 times int he space of 6 weeks, with my partner having it once and my son once when he was visiting, slept downstairs though, wiped out the thought of touching something in my room. At the time 5 yrs ago when I searched on the net for an answer the only thing that came up at the top of the list was a study done by some proffesor in the US about a couple who claimed to be abducted by aliens, was a fair dinkum study from what I read. iodine type staining on hands that could not be washed off only faded after a couple of days, they did a scraping and the test showed that it was`nt any substance identifiable to scientific study
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My 10 year old son woke up with strange brown stains on his right hand. The next day I woke up with the same brown stains on my left hand. As described in other posts, we both went to bed with nothing on our hands and woke up with these stains and have no explanation as to why. Neither one of us handled any chemicals, cleaners, stains, etc.. the day before. The only thing we had in common was that we both ate red, yellow, and orange peppers the night before this occurred. This was the only commonality we had related to these strange brown stains. I'm curious to know if any of the previous reply's remembered eating peppers (red, yellow, and orange) the night/day before their stains appeared.
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Avatar universal
I have woken up with these stains on my hands too. Looks like dried blood but I know it can't be that. I ate red, yellow, orange and green pepper last night..we had vegetable chilli!

I cant wash these marks off, some seem embedded around my nails too?
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