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.
Some scalp ailments aren't just itchy -- they can hurt due to painfully tender spots or a burning sensation in places. Sometimes the itchiness can be so severe that the sufferer breaks the skin. When that happens, there's a risk that the open wounds will get infected and lead to further problems.