I have been itchy all over my entire body for 3 weeks, what could it be?

I have had a itch all over my entire body for about 3 weeks and it is very distracting and difficult to live with. Along with the itch I have little red bumps appear on the inner side of my arms and legs. Also in between my fingers seem way dryer than normal. Also my knees are dry and itchy. Any advice or help would be appreciated

Could be anything from an allergy t kidney disease. You need to see a doctor for a diagnosis. Best wishes to you.

Agree with brown. It could be anything so if you are still suffering please see a doctor.