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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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Avatar universal
What is this?  I am really freaked out.  I have a fish tank and handle algae when cleaning it, but this has never happened before.  I always wash my hands really well when touching it.  Please help.  and yes I do plan on contacting my doctor.  
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Sure I did repy elsewhere that there is a fungus tinea nigra which can stain black or brown the palms.
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So i woke up today with the iodine like stains on my left palm.  I dont notice any others on the rest of my body.  I am 20yrs old and a virgin.  I work with E.coli cells and DNA everyday in my research lab.  The spots are painless and my arm in fully functional.  I am senior Biology major going to medical school.  I have taken pathology and believe that Tinea nigra is not a possibility because of its outrageous spreading and contagiousness.  Someone please advice...

-Dr. Stress
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I woke up today with these random iodine looking stains and a pin prick in my palm....I tried washing it off and i got some but the main stains wouldn't fade.   By the end of the night they had faded away completely.   Please advise
Avatar universal
Tinea nigra is a rare condition overall. One hundred ten cases had been reported up to 1989 and only 19 more cases were recovered from a Medline search up to March 2001.So it is not that infectious, yet can present with brown pigments as isolated cases.Hughes, J. R., M. K. Moore, and A. C. Pembroke. 1993. Tinea nigra palmaris. Clin Exp Dermatol. 18:481-2.

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Doc,

Do you think it is just hyperpigmentation and he skin will slough off soon?
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Doc,

Also how bad is tinea nigra?
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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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lol dont wipe with your hands.
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omg...I've had red peppers the past 2 nights and both mornings I woke up w/ brown stains on my left palm.  Weird!!!!  No peppers for me today...hopefully no brown stains tomorrow!
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Avatar universal
maybe it has something to do with certain peppers.

i woke up with them today, and the only thing i did differently yesterday was that i ate some tuna that i spiced up heavily with mexican herbs and spices. i almost never use those spices and they've been there for a while, so it might also be a kind of bacteria or fungus that grows on exotic spices?

so there are now 3 people that have in common that it had something to do with peppers. anyone else had peppers? =]
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OK, totally weird.  I've just been researching brownish stains on the palms of my  hand because last night, both my husband and I suddenly noticed odd brownish stains on our hands (the palms).  As I read the string of posts, we started laughing because we had red, orange and yellow peppers in our salad last night.  But it's not the first time we've eaten peppers, but it sure was the first time we developed odd stains.

STRANGE!!!!!!
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Avatar universal
Just like the rest of you, I too woke up this morning with a strange, irregular brown stain on the palm of my left hand.  Looked like it was dried brownish blood, but there was no blood anywhere else - and it didn't wash off!  No pain or other discomfort, and several hours later, it's still here.  Bizarre!  

But get this:  I have been using a LOT of Louisiana hot sauce (main ingredient: peppers!) over the past few months, including last night.  I know that hot peppers increase peripheral circulation - but it looks like overuse can do more than just increase flow to the extremities!  That's it - no more pepper sauce for me!  I've probably ingested my lifetime supply, anyway.  Hopefully this will clear away soon!
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Avatar universal
Wow - thank goodness for this post - I was freaking out this morning because of my palm being discolored for no apparent reason.  Now after having read these postings I understand why it was only my right hand and why this happened.  I didn't eat any red, yellow, green peppers last night but I prepared two appetizers that called for them and handled the pre-diced peppers with my right hand.  Thanks - this is a big relief.
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The same thing happened to my cousin and I in the same night.  Iodine stains on our hands and fingers.  Anyone get to the bottom of this craziness.  Its not peppers, any ideas?
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O.K.. so I've had this dark brown patch in the palm of my right hand for about 6 months now. I woke up one morning and had it in both palms and on the bottoms of my feet. My mother seems to think it's some kind of "stigmata" but she's pretty religious. It has faded on my feet and slightly faded in my left hand. It is about dime size now in my right hand and is slowly returning in my left. I don't eat much spicey food nor have I eaten anything with red, yellow or green peppers. I spoke with a dermatologist who said it could be something fungal and to try Clotimazole. Don't know if that's the cure but I'm willing to try it. Have been using it for only three days so I hope I see some results later in the week. I will keep you all posted.
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Yes! Same exact thing. My 2 yr old son and I ate red and yellow peppers the night before and woke up with these stains on our hands. So relieved to find out it's not harmful.
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I have been cutting up red yellow and orange peppers the last few day, woke up today with the same iodine like stains...
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Had red peppers to eat on Saturday night, woke up to find brown stains on right hand. However did not handle them, they were prepared by someone else.
Then made a salad with Red peppers on Sunday night and again work up with stains on right hand. Weird. Thought it had to do with some medication I was taking, but after seeing all these posts seems like it could be something else. I have eaten red peppers for years however, and never had this issue before. You have to wonder if something is being added to the soil , or irrigation that would cause this where they are being grown?
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I have had the beown stains in the palm of both of my hands for over a year. They were very embarrassing and itched alot.   And now the stains appear to be spreading but fading at the same time.
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