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What are the main skin diseases treated by the dermatologist.

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Having beautiful and healthy skin, shiny hair and perfectly shaped nails is the desire of many people. Therefore, it is important to always be attentive and take care of the skin’s health, not only for the aesthetic issue, but also for the well-being and health of the body.

The skin is the first barrier in our body against the action of external agents, such as fungi, bacteria and weather agents and is susceptible to many attacks and diseases. For this reason, it is natural that throughout life there are some skin diseases that must be treated.

These diseases can be simpler or more complex, but they always cause discomfort and discomfort and in some cases they can be quite severe and if left untreated they cause complications.

All conditions that affect the skin must be treated by the dermatologist, who is the specialist doctor in diagnosing, evaluating and treating the most varied diseases that affect the skin, hair, nails, hair and mucous membranes.

Know now some of the most common skin diseases that are worth a visit to your trusted dermatologist.


Acne is the terror of many teenagers, but it is a very common disease and can affect people of various ages to varying degrees.

It is caused by the clogging of the pores of the skin by the excess of sebum produced by it. Sebum has the function of protecting and maintaining the skin’s moisture, but it can accumulate in the pores and give rise to an inflammatory reaction known as pimple.

In more severe cases, the inflammatory reaction can cause scarring on the skin, also causing spots of hyperpigmentation and spots.

Among the causes of acne are genetics, hormonal activity and infections. Lifestyle, diet and stress can also cause acne breakouts in people who have this tendency.

An appropriate treatment can leave acne controlled and greatly improve the appearance of the skin and that is why the dermatologist is your best ally.


Rosacea is also a common skin disease. It causes redness in the skin, leaving the affected area with a thicker texture. It can easily be mistaken for a sunburn, but it is a long-lasting condition.

In addition to redness, rosacea causes inflamed lesions, acne, dry eyes, irritation and swelling. This condition affects the face, mainly cheeks, nose, forehead and chin.

This condition can be triggered or aggravated by several factors, such as ingestion of certain foods, hot baths, gastrointestinal diseases, hypertension, among other causes. Rosacea has no cure, but the treatment helps to alleviate the problem.


Impetigo is a superficial bacterial infection on the skin, very common on the face and extremities of the skin. The bacteria can also settle in small wounds and bruises.

The disease is more common in children and the elderly, where the bacteria take advantage of moments of low body immunity to settle. It damages the skin, causing crusts and blisters that break and peel the skin, forming the bullous impetigo. The lesions spread and become bigger and bigger.

Impetigo is highly contagious and manipulation can cause contamination in other areas. The lesions must be treated to avoid complications or even so that the infection by bacteria does not affect internal organs. The dermatologist can evaluate and indicate the best treatment.


Melasma is a common disease among women in their 20s and 50s, and is characterized by the presence of dark spots on various parts of the body, especially the face, neck and arms.

The spots can be dark or brownish, with irregular and well-defined shapes, and are usually symmetrical. They usually start to appear on the face, and can spread all over the face.

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There is no single cause for the problem, but among the causes we can mention unprotected exposure to the sun, the use of contraceptives and hormonal factors.

Despite being unsightly, melasma stains are one of the skin diseases that do not pose a health risk.


Psoriasis is another relatively common disease, which has a cyclical occurrence, appearing and disappearing periodically.

It causes red spots with whitish scales, swelling, redness, dry or cracked skin, flaking, itching and pain in the affected areas. Lesions are more frequent on the scalp, nails, knees, elbows, soles of the feet and palms.

This is not a contagious disease, the cause of which is unknown. It is speculated that it is related to genetics and to changes in the immune system, which lead to inflammatory reactions and injuries.


Mycoses are skin diseases caused by yeast infection on the skin, nails and hair. Sweating, moisture and heat create an environment that favors the installation and multiplication of fungi on the skin and the installation of an infection.

There are many types of mycoses. Mycoses in the nails occur by the installation of fungi under the nail, especially on the feet. On the skin, the most common is pityriasis versicolor, known as white cloth, which causes whitish patches on the skin.

Mycoses in general are contagious and can be prevented with the correct hygiene, washing the body well, not sharing cuticle pliers and personal objects and drying the skin well after bathing.

Atopic dermatitis

This is a genetic disorder that commonly affects children. It is a skin allergy that causes dry skin and itchy rashes, as well as scabs and peels.

Atopic dermatitis always occurs in the folds of the arms, hands, feet and on the back of the knees and can be triggered by several factors, such as contact with rough materials, fragrances and lotions, intense cold, heat or perspiration, among other factors.

This is not a contagious disease, but it causes a lot of discomfort and can progress to wounds due to itching, so it must be evaluated and treated by a dermatologist.

Skin cancer

Skin cancer is one of the most common types of cancer in Brazil. About 90% of cases are associated with sun exposure without adequate protection, so it has a high incidence in tropical countries.

This disease is caused by the abnormal and uncontrolled growth of the cells that make up the skin. In addition to sun exposure, factors such as smoking, genetic predisposition, HPV infection and chronic wounds that do not heal are risk factors for skin cancer.

This is one of the most severe and aggressive skin diseases, and can spread to other organs and cause many complications, including death. The most common type of skin cancer, non-melanoma cancer has a low mortality rate, but the cases are quite numerous.

It is important to always be aware of any changes in the skin, such as spots or spots that increase, change color or bleed and wounds that do not heal. People who have fair skin and who burn easily or who are frequently exposed to the sun should be especially attentive to any of these signs.

Skin cancer is curable and treatment is always more effective when started as early as possible. Therefore, at the slightest sign of skin changes, the dermatologist should always be consulted.

Take good care of your skin, stay on our website and learn more tips to improve your skin’s health.

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