Hair & ScalpHealth

Infectious Diseases of the Scalp

Hair and scalp diseases are classified as infectious or non-infectious. Diseases infectious are those contagious example impetigo, lice, ringworm, scabies, warts and others. It is therefore very important to pay attention to your symptoms and to start treatment as soon as possible if you are contaminated.

The severity of these infections and their danger to the surrounding people can differ greatly. Therefore, it is of paramount importance to note the symptoms, define the cause and begin the appropriate treatment as soon as possible. To do this, let’s take a look at some of these common infectious diseases of the scalp and hair.

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This is a very contagious disease that is most common in children. It comes from bacteria (Staphylococcus aureus / pyogenes) which penetrate through cuts or lesions of the skin.

Impetigo is characterized by large, damp blisters that gradually dry out and form a yellow crust.


Scabies is an infection of the skin caused by a mite: a small animal that digs its burrow through the scalp and lays eggs there. It is characterized by reddish spots that itch and a rash on the scalp.


Warts are skin outgrowths, which usually appear on the hands and feet, but also on the head. The cause of the infection is a virus, the human papillomavirus (HPV), which is spread by direct contact with the infected person.

The ringworm.

Also known as Tinea capitis, it is a very contagious scalp disease, which is characterized by pink spots developing gradually in a circular way with damaged hairs. The cause of the infection is a fungus that can spread directly or indirectly through combs and brushes, clothing and towels.

Head (lice).

This is a highly infectious disease caused by insect parasites (lice) to small wings that spend their entire lives on the scalp, lay eggs, breed and suck human blood. This infection is very common in children.


Folliculitis is an infectious inflammation of hair follicles caused by bacteria (Staphylococcus aureus) that penetrate the scalp by scratching or by direct contact with the infected person.

All these infectious diseases are common and if you think you have any of these symptoms, you should immediately consult a doctor or a trichologist.


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