Severe Itching on arms

[Itchy Arms]

I have almost unbearable itching on my arms.  There are raised bumps, but they are not terribly noticeable until I have scratched them into bleeding and scabbing.  I've used Banadryl cream to no avail.  I have had some sun exposure (sunny Texas)but the rash preceded that.  I have had it for several months.

I have few allergies - Texas Mountain Cedar, cat dander, molds, but they typically present as respiratory or sinus complications, not dermatological.  I have an intolerance (not allergy) for ibuprophen, which caused me to have accute renal insufficiency several years ago (high levels of creatinine and BUN).

I am a 60 year-old, non-smoking female in very good health.  I do have managed hypertension.  I take three medications:  Premarin .625, Lisinopril-HCTZ 10/12.5, and Paxil 30 mg.  

Help!!

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