Welcome and thanks for posting your query to Healthcare Magic.
After reading your query it appears the possibility of "lichenification" with "post inflammatory hyper-pigmentation" over your fingers.
It is a common process on the skin to get thickened after any chronic process such as eczematous condition over it. As you suffered from eczema so due to this the skin may get thickened and then it becomes darker due to the over activity of the color giving cells known as melanocytes.
For the prevention and betterment kindly follow the suggestions below:
-You can do warm water compresses to reduce the intensity of itching and improving the hydration of the skin over hands.
-Do not scratch or rub the skin as it can lead to further aggravation.
-You can take oral anti histamine
or levocetrizine under medial advise.
- You can apply Fluticasone
cream under dermatological guidance which are mild potency steroid
cream than neoderm. DO not apply any steroid cream beyond 3 weeks without your doctor's advice.
- Apply plane white petroleum gelly for 5-6 times a day o whenever you fell dryness of the skin.
By doing above measures you would be benefited in next 3 weeks of the period.
Hope these informations will help.
"With good health wishes"
Dr Sanjay Kumar Kanodia
MD (Dermatology & STDs)