Itchy scalp can be very frustrating. The biopsy confirms that you have a dermatitis, not some sort of fungus. I wouldn't think that lymphoma would cause itching only on the scalp, so I'm not surprised that the test for that was negative.
Your doctors can use tar shampoos, steroid shampoos, steroid gels and lotions, lotions applied to the scalp and then covered with plastic shower caps, to name several methods. Also, you will need to exercise willpower to not pick or scratch at your scalp, because if you keep doing that, no medicine will help.
Please discuss this with your current doctor, or if necessary get another opinion.
Amazing product...I had an incredible itch, dry, cracked and bleeding dermatitis on my hands. My doctor recommended a glaxol soap and to wear gloves when cleaning and around the house. I did but the inflammation and itching were most troublesome. I found a product on the internet call Neuroskin from www.help4skincare.com and it worked amazing! I can't say enough about this product...
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