A thallium stress test is a nuclear imaging test that shows how well blood flows into your heart while you're exercising or at rest, using radioactive liquid. A thallium stress test is a nuclear imaging test that shows how well blood flows into your heart while you're exercising or at rest, using radioactive liquid.
The burning pain in the scalp can be due to several causes like occipital neuralgia, cervical migraine, localized patch of dermatitis or eczema or even dandruff and even due to infection in the underlying bone. A medicated shampoo will help only if the pain is related to dandruff.
Itching in the scalp can be triggered by a variety of causes. The most common is seborrheic dermatitis, an inflammation of the scalp producing redness and flaking. Psoriasis can involve the scalp in a similar pattern. Stress can manifest as scalp itching, especially on the back of the scalp.