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What causes unusual pigmentation on hands after being exposed to chemicals?

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Posted on Thu, 28 May 2015
Question: Can you look at the image and tell me what's on my hand.

it appeared overnight and has lasted for over a week.

it is on both hands in multiple places.

I have not injured my hands or been exposed to any chemicals.

it has not grown or changed at all. I am 24 years old, 5'6" and 105 lbs.
doctor
Answered by Dr. Charu Bansal (46 minutes later)
Brief Answer:
kindly give following details

Detailed Answer:
Hello. Welcome to healthcaremagic.com.
I have read your query. I have seen the attached photographs also.
I understand your concern.
It Seems that you have developed the pigmentation gradually but it was noticed spontaneously. I would like to know following details:
1) was there pigmentation earlier also or it actually developed overnight?
2) is it itchy or asymptomatic?
3) what is your occupation?
4) do you cook food or do kitchen work also?
5) similar pigmentation anywhere else on the body?
Kindly reply to my questions so that I can help you to my best.
Take care.
Above answer was peer-reviewed by : Dr. Vinay Bhardwaj
doctor
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Follow up: Dr. Charu Bansal (18 minutes later)
Hi and thank you for the follow up.

1) there was no pigmentation at all whrn I went to bed and the next morning it was fully present.
2)it is not itchy of painful at all
3) I work at home from computer
4) I do cook sometimes but have not burned myself.
5) nowhere else except both hands

also, it is not raised or blistered at all.

also, it appears to be getting darker the last two or three days but has not gotten any bigger
doctor
Answered by Dr. Charu Bansal (11 hours later)
Brief Answer:
Acropigmentation of Dohi is one of the possibility

Detailed Answer:
Hello. Welcome back.
As per details, the most likely possibility for your symptoms is a condition of skin called Acropigmentation of Dohi. It has genetic predisposition also.
In this condition, hyperpigmented patches develop involving acral parts of body involving both hands. It is an asymptomatic condition which gets aggravated by sun exposure.
Skin biopsy is done to confirm the diagnosis.
Strict sun protection is advisable. It is otherwise untreatable condition yet moderate potency topical steroids can be tried for lightening of pigmentation.
I will advise you to visit your doctor so that he can examine you and order tests for you.
You can share my opinion with him.
I hope I am able to solve your query.
Above answer was peer-reviewed by : Dr. Prasad
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Answered by
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Dr. Charu Bansal

Dermatologist

Practicing since :2010

Answered : 773 Questions

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What causes unusual pigmentation on hands after being exposed to chemicals?

Brief Answer: kindly give following details Detailed Answer: Hello. Welcome to healthcaremagic.com. I have read your query. I have seen the attached photographs also. I understand your concern. It Seems that you have developed the pigmentation gradually but it was noticed spontaneously. I would like to know following details: 1) was there pigmentation earlier also or it actually developed overnight? 2) is it itchy or asymptomatic? 3) what is your occupation? 4) do you cook food or do kitchen work also? 5) similar pigmentation anywhere else on the body? Kindly reply to my questions so that I can help you to my best. Take care.