Wednesday, 15 October 2025
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What Autoimmune Disease Causes Itchy Scalp | Dr Gary Mader

What Autoimmune Disease Causes Itchy Scalp?

Millions of people have an itchy scalp on any given day. Scalp pruritus, as it’s called in medical circles, is a very common complaint. It’s also a challenge to diagnose and treat.

One reason for this is the distinct nerve structure that the scalp’s skin has. An itchy scalp could also have visible signs, like falling flakes. Sometimes there are no overt symptoms. There are also many reasons why someone would have an itchy scalp. Allergens or head lice are common culprits. Scalp pruritus can also be due to an autoimmune disease.

An autoimmune disease is the result of an overactive immune system. The latter is all made up of cells and organs. They protect our bodies from bacteria, viruses, and parasites. They’re also the first defense against cancer cells. But sometimes one’s immune system will attack the body instead of protecting it. There’s no definitive reason for this. When this does happen, you could end up with an autoimmune disease.

One study showed that one in ten people have an autoimmune disease. There are many types of autoimmune diseases. Some are diseases of the digestive system. Others attack the joints and muscles. There are also autoimmune skin diseases that could cause it to itch. But what autoimmune disease causes itchy scalp?

Scalp Psoriasis

Scalp psoriasis is an autoimmune disease that could leave you scratching your head. It causes skin cells to reproduce at a rapid pace. People with scalp psoriasis develop thick plaques or patches of skin on their scalp. This can also reach the hairline, forehead, and back of the neck.

Around 7.5 million Americans suffer from psoriasis. Half of those will experience having scalp psoriasis at any given time. Most of those afflicted with the condition will undergo a flare-up of scalp psoriasis. The lucky ones will experience this once. It will be recurring for others.

There’s no telling who will have scalp psoriasis. The condition can strike anyone. But you’re more in danger of having it if you suffer from other autoimmune diseases. People who deal with a lot of stress or depression are susceptible. So are those who drink alcohol, use tobacco products, and are overweight.

There are various symptoms of scalp psoriasis. This includes plaques on the scalp and along the hairline. Dryness, skin flakes, and itching are common symptoms as well. Unfortunately, there’s no cure for this condition. The best one can do is to manage it through medications. A product like Dr. Marder Skincare Total Relief Shampoo can also help. You can also try UV light treatment. A healthy diet is also important.

Dermatomyositis

Dermatomyositis is an autoimmune disease that affects the muscle. It’s different from other muscle diseases. It’s because it causes muscle swelling and skin problems. Dermatomyositis is the term used to cover the symptoms of the skin and muscles.

Dermatomyositis can hit at any age. Studies do show that people in their 50s to 70s are more vulnerable. There are more women diagnosed with this condition than men. Experts can’t say what causes the disease. Some possible causes include cancer and abnormal genes. It can also be an offshoot of another autoimmune disease.

The disease has various symptoms. One is the presence of a red or purple rash. This appears in areas exposed to the sun. The rash can become itchy or painful. A red swelling on the eyelids is another symptom. So are reddish spots on the elbows, knees, and toes. Muscle weakness and muscle aches could also manifest.

There’s no cure for dermatomyositis. It’s often managed through various treatments. The treatments will depend on several factors. The patient’s age and health condition are two examples. Physical therapy is a common treatment method. Patients can also undergo skin treatment for itching and rashes. The doctor could also prescribe anti-inflammatory medicines.

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