The 24 skin pathologies: characteristics and how to recognize them.

These are the most important skin diseases, described with the keys to identify them.

In this world there are hundreds of diseases and the skin, our largest organ, is not exempt from presenting all kinds of medical conditions.

There are skin pathologies of all types, color, size, severity, contagious and genetic... and few are "pleasing" to the eye. If you are interested in knowing them, read on, because below you will find a summary of skin diseases of the skin. you will find a summary of skin diseases.

The 24 most important skin pathologies

Skin pathologies are many, and they vary greatly in terms of symptoms and severity. There are skin diseases that may be temporary, while others leave permanent sequelae, both painful and painless.

What causes them is also very varied, since some diseases may have a genetic component while others are caused by an infection or contact with an allergen.

Below we will discover different types of skin pathologies with the keys to identify them.

1. Acne

Acne is usually found on the face, neck, shoulders, chest and upper back.. It consists of skin outbreaks consisting of blackheads, whiteheads, pimples, cysts and deep, sometimes painful nodules. If left untreated, it can leave scars.

2. Blister

Blisters consist of bubbles of transparent skin with liquid inside them.. Those smaller than one centimeter are called blisters while those larger than one centimeter are usually called bullae. They can occur singly or in groups and can be located anywhere on the body.

3. Basal cell carcinoma

In basal cell carcinoma, there are raised, firm, pale areas that raised, firm, pale, scar-like areas that resemble a scar..

These areas are dome-shaped, pink or red, shiny and pearly with a sunken, crater-like center. Blood vessels are visible in the growth and there is easy bleeding, with oozing wounds that do not seem to heal.

4. Squamous cell carcinoma

Squamous cell carcinoma usually occurs in areas exposed to ultraviolet radiation, such as the face, ears and back of the hands, which is why it is so important to wear sunscreen on all parts of the body.

It manifests as a reddish, scaly patch on the skin that, as it develops, becomes a raised bump that continues to grow. that continues to grow.

5. Urticaria

Urticaria consists of raised, itchy welts that usually appear after contact with usually appear after contact with some type of allergen.. These welts are red, warm and painful to the touch. They vary in size and can be small, round welts or larger, irregularly shaped welts.

6. Actinic keratosis

Actinic keratosis consists of A patch of thick, scaly or crusted skin that is usually no larger than two centimeters in size..

It appears on parts of the body that are often exposed to the sun, such as the face, hands, arms, scalp and neck. It has a pinkish color, although it can also acquire brown and gray tones.

7. Keratosis pilaris

Keratosis pilaris is a common medical condition often seen on the arms and legs, but can also occur on the face, torso and buttocks. It manifests itself in the form of patches on the skin that are irregular in appearance, slightly reddened and rough to the touchwhich may worsen in dry climates.

8. Cold sores

Cold sores are a red, painful, fluid-filled blister that appears on the mouth and lips..

The affected area usually causes a tingling and burning sensation, even before the sore becomes visible. It may be accompanied by mild flu-like symptoms such as low-grade fever, body aches and swollen lymph nodes.

9. Eczema

Eczema consists of yellowish or whitish scaly patches that flake off.. The affected areas may be red, itchy and oozing a kind of greasy discharge. If the affected area had hair follicles, hair loss may occur.

10. Psoriasis

Psoriasis manifests itself in the form of scaly, whitish, well-defined patches on the skin.. They usually appear on the scalp, elbows, knees and lower back. It can be itchy, but can also manifest itself asymptomatically beyond its appearance.

11. Infectious cellulitis

Infectious cellulitis is a pathology of the skin caused by bacteria and fungi that enter through a crack or cut.. It manifests itself in the form of reddened skin, with pain and inflammation, and there may be exudation.

The affected areas have a sensation of heat and sensitivity to touch. This disease may be aggravated since the affected person may suffer from fevers and chills. Red spots on the rash may be a sign of serious infection and a reason to go to the hospital for emergency care. and a reason to go to the hospital for emergency care.

12. Rosacea

Rosacea is a chronic skin condition that comes and goes, with fading and relapsing cycles.. Relapses can be triggered by spicy foods, alcoholic beverages, sunlight, stress and Helicobacter pylori bacteria.

There are four subtypes of rosacea (erythematous-telangiectatic, papulo-pustular, phymatous and ocular), each with its own varying symptoms. The most common symptoms include raised and reddened bumps, facial flushing and dryness of the skin.

13. Anthrax

Anthrax consists of a red, painful, irritated bump under the skin.. It may be accompanied by moderately severe symptoms such as fever, body aches and fatigue. This skin pathology can cause crusting and dermatological suppuration.

14. Latex allergy

Latex Allergy consists of a rash that appears within minutes or hours after contact with a product made of latex.. It manifests itself in the form of warm, red, itchy welts at the site of contact. Its appearance may be dry and crusty when exposure to latex has been continuous.

Latex particles may be airborne, causing coughing, runny nose, itchy eyes, tearing and sneezing. A severe allergy to this material can cause swelling and breathing problems, which is why it is considered a condition requiring emergency medical attention.

15. Measles

Measles is a disease with several symptoms, including fever, sore throat, redness of the eyes, tearing, runny nose, cough and loss of appetite. On the skin, this medical condition manifests itself in the form of red spots that spread from the face to the rest of the body three to five days after the first symptoms appear..

16. Melanoma

Melanoma is the most serious type of skin cancer. It is a medical condition more common in fair-skinned people, appearing as a mole on any part of the body, with irregularly shaped borders, asymmetrical and toned, and with an asymmetrical appearance.asymmetrical and with varying shades. This mole can change color rapidly, in addition to growing at an alarming rate.

17. Lupus

Lupus is a skin disease that manifests itself as a scaly, scaly rash in the form of a a scaly, disc-shaped rash that does not itch or hurt.. It usually appears on the shoulders, forearms, neck and upper torso, worsening with increased exposure to sunlight.

It can also come in the form of a red rash, hot to the touch that spreads across the cheeks and bridge of the nose, in the shape of a butterfly. It may be accompanied by fatigue, headaches, fever and joint swelling.

18. Contact dermatitis

The contact dermatitis, as its own name comes to indicate, is a pathology of the skin that occurs when contact is established with an allergen, either after a few hours or a few days.

It has visible edges and appears just in the area where the irritant substance has been touched.. The skin becomes itchy, reddish in color, scaly, and blisters may appear, oozing, oozing or crusting.

19. Warts

Warts are benign skin tumors caused by the human papillomavirus (HPV). (HPV). These growths can be found on the skin and mucous membranes, occurring either singly or in clusters. Because they are caused by viruses, they are contagious and require specific treatment to eliminate them.

20. Chickenpox

Chickenpox causes clusters of itchy, red, fluid-filled blisters on the skin in various stages of healing.. These rashes are accompanied by fever, body aches, sore throat and even loss of appetite. Chickenpox is a contagious disease, and the sufferer is no longer contagious as soon as all the blisters have crusted over or dried up.

21. Vitiligo

Vitiligo is a condition where the skin loses its pigment due to the skin loses its pigment due to the destruction of cells caused by the autoimmune system attacking them.. This disease is especially striking in people with dark skin and can occur in two ways:

• Focal loss: loss of skin color in only a few areas.
• Segmental pattern: depigmentation on one side of the body.

It brings about premature graying of the scalp and facial hair.

22. Melasma

Melasma is a common skin disease in which dark patches appear on the face, face and neck. dark spots appear in the face, although also in the neck, chest and arms, but less frequently. but less frequently.

It is common in pregnant women (chloasma) and also in people with dark skin or more exposed to sunlight. It does not present significant symptoms beyond skin discoloration and may disappear on its own within a year, although there are cases in which it becomes a permanent condition.

23. Impetigo

Impetigo is a common skin disease in infants and children.. It is often located in the area around the mouth, chin and nose, manifesting as an irritating rash with fluid-filled blisters that break open easily and form yellowish-orange crusts.

Ringworm

Ringworm is a skin pathology that presents as scaly, circular rashes with raised edges. The shape is similar to that of a ring, the inside of which the skin acquires a clear and healthy tone, while the edges of the ring become scaly.The edges of the ring extend outwards and are itchy.