Brief Answer:
the details are visible

Detailed Answer:
Hello,

I can see your description and I have an answer for your question.

Itching is common in chronic vein insufficiency, which probably also caused the discoloration of your skin in the legs. There are various treatment approaches to the symptoms of stasis dermatitis which may include the application of wet gauzes with aluminum, topical corticosteroid treatment, special stockings which compress the veins, etc and even the treatment of the underlying disease (the faulty veins).

A vascular surgeon and a dermatologist are the best persons to treat your condition.

I hope you find my comments helpful!
You can contact me again, if you'd like any clarification or further information.

Kind Regards!

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Brief Answer:
this the most likely diagnosis

Detailed Answer:
The diagnosis fits your description. Of course a close look by your doctor is very important.

Kind regards!

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