by 
The Curious Bag
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Hair loss, also known as alopecia, is often accompanied with an itchy scalp. There are many possible causes of an itchy scalp and hair loss, which range from normal causes to serious medical conditions.
Types
Skin irritation, pregnancy, scalp ringworm, seborrheic dermatitis and psoriasis can all cause scalp itching and hair loss.
Function
An itching scalp may be caused by hair growing back from an incidence of hair loss, or it may signify a more serious condition like an infection.
Significance
An itchy scalp and hair loss can be a serious medical issue. For example, psoriasis is an autoimmune skin disease that causes patches of thick, scaly skin that feel itchy or sore, and seborrheic dermatitis is a chronic skin condition characterized by skin lesions, scaly areas of skin, itching, and hair loss.
Treatment
Tea tree oil or jojoba oil may soothe irritated hair follicles. If you have a fungal or bacterial infection, such as tinea capitis, however, you may need prescription medication to kill the fungus or bacteria.
Identification
Although slow, gradual balding is common in older people, sudden hair loss may have a serious medical cause. See a doctor to accurately identify the cause of an itchy scalp and hair loss.
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