why does my back itch in the same spot
People have complained of having itchy areas in their upper back for centuries. The itch usually occurs between the shoulder blades either in the middle of the back or just underneath one shoulder blade. Interestingly, one review stated they thought the back scratcher was invented to scratch that annoying itch because it is so difficult to reach. Various studies have identified that the persistent itch is due to a nerve-driven signal called notalgia paresthetica (NP). The most likely cause is from a nerve impingement. Nerves that exit that level of the spinal column that are involved in sensation to the skin have become pinched or squeezed. This can occur due to muscle spasms or degenerative changes to the spine. Nerve-related itching is also called neuropathic pruritus or neuropathic itch.
The skin in that area of the back becomes hypersensitive. Being rubbed by a shirt tag or having overly dry skin can set off an episode of prolonged itching to that localized spot. Other symptoms can occur, such as pain or altered sensation. The skin can become darkened from constant scratching so seeking the advice of a dermatologist may be helpful to prevent further damage to the area. Dr. Cynthia Bailey, dermatologist in California, wrote about several treatments in her blog that she suggests to her patients to relieve NP. First and foremost though, she recommended making sure that the skin is moisturized to reduce any itching caused by dry skin. 1) Wear soft non-irritating fabrics and remove labels to avoid potential problems. 2) Place an ice pack over the itchy area.
The cold sensation will override the itch. Do not use heat, as it will just intensify the itching. 3) Avoid scratching. Scratching strengthens and thickens the skin surrounding the nerve causing a cycle of increased itching. 4) Try anti-itch creams that have pramoxine or menthol in them. 5) Topical prescription steroid cream or oral anti-itch medication may be tried but may not be effective.
I ve had this constant itch under my shoulder blade. What could it be? A number of things can cause an itchy back, notably dry skin or a skin disease such as eczema or psoriasis. But there s also a curious condition called notalgia paresthetica, involving chronic itching below the scapula (shoulder blade), typically on one side, most often the left.
There may also be tingling, pain, or numbness in that spot, and the itchy patch of skin may be hyperpigmented. It s thought to result from impingement of nerve roots that emerge from specific vertebrae (a type of neuropathy), and it may indicate degenerative changes in the spine. If the itch continues, see your doctor. Though hard to cure, possible remedies include capsaicin cream (from ), acupuncture, transcutaneous electrical nerve stimulation (TENS), muscle relaxants and other drugs, and even botulinum (Botox) injections. Exercises that increase range of motion in the shoulder and may also help.
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