Mancha vermelha na pele – Descubra as causas

Red spot on the skin – Main causes of the problem

Health

Skin with a red spot can mean diseases and infections such as allergies, scabies and even skin cancer, requiring medical evaluation.

A red spot on the skin can mean several diseases, such as allergies or rubella. Therefore, whenever you notice this symptom on your skin, it is important to consult a dermatologist.

In short, treatment will depend on which disease is identified, and may vary between the use of ointments and oral medications, such as analgesics, antibiotics or anti-inflammatories.

Causes of red spots on the skin

Now, see the diseases most associated with the appearance of red spots on the skin.

Allergy

Fonte: Magscan

The red allergy spot can be medium in size, accompanied by itching and may be filled with liquid. In short, it can appear after contact with animal hair, plants, insect bites or medicines.

Therefore, allergy medications are used to treat this discomfort, such as corticosteroid tablets or ointments.

Ringworm

Ringworm causes red patches that affect large areas of the body, which can even form blisters and peeling. Therefore, antifungal medications and even antibiotics are prescribed by the dermatologist.

Red patch of psoriasis

Red spot on the skin – Discover the causes
Source: Health Atlas

A chronic but non-contagious skin disease that causes red spots and peeling of the skin, which can even crack, itch and bleed. Normally, psoriasis comes from genetic factors and there is no cure so far. As a result, it appears in times of stress, cold weather and high alcohol consumption.

Rubella

The red spots of rubella are small, slightly raised and itchy. They normally appear on the face and behind the ears, spreading over the body and disappearing within three days. Then, treatment is done with analgesics to control it.

Lupus

This disease causes flat or raised red spots, which can appear on any part of the body. However, even though lupus has no cure, as it is a chronic disease, corticosteroid medications are recommended to reduce symptoms.

Zika virus, dengue, chikungunya

Source: MD Health

The Aedes aegypti mosquito transmits the viruses of these diseases, which cause red spots on the body, accompanied by itching, fever and muscle pain, as well as joint pain.

Rosacea

Rosacea is a disease with no cure, which appears and disappears on its own. In short, it is common among women aged 30 to 50, but men can have it too. In addition, the redness comes with spots that resemble acne, a sensation of heat and burning, especially in the nose and face areas.

Sarna

Scabies, known as scabies, is caused by a mite and is contagious from person to person. In general, symptoms are reddish spots, accompanied by intense itching, which normally appear on the hands, fingers, wrists, armpits and genitals. Therefore, treatment depends on the severity of the infection, and may involve creams or oral medications.

Chickenpox redness

Red spot on the skin – Discover the causes
Source: Ministry of Health

Small blisters and red spots appear all over the body, with intense itching, which is common in children. So, rest and anti-inflammatory medicines are recommended by doctors.

Measles

Measles looks like chickenpox, but the spots are not itchy. In fact, they hurt and spread throughout the body very quickly. Therefore, you should drink plenty of water and rest, and the doctor will recommend the appropriate medicine.

Red rash from prickly heat

Heat rash causes redness and red spots that burn, mainly on the face, neck, chest, back and thighs. However, there is no correct treatment, and it is recommended to place cold compresses on the area where the prickly heat appears.

Dermatitis

There are three types of dermatitis:

Red spot on the skin – Discover the causes
Source: Michelle Diniz Dermato
  • atopic: chronic diseases, of genetic origin, that cause red rashes that itch, dry the skin and, consequently, form crusts;
  • seborrheic: is a chronic inflammation in specific areas of the skin, such as the scalp, eyebrows, corners of the nose and ears. Normally, periods of stress, cold temperatures or very hot baths cause it to appear, characterized by white scales, itching and burning in the red area;
  • contact: it is also an inflammation of the skin, caused by contact with plants, medicines, cosmetics, synthetic fabrics, detergents or jewelry containing nickel. Furthermore, the red spots on the skin are accompanied by bumps, pain, itching and burning, as well as roughness and cracks in the skin.

Therefore, dermatitis is usually treated with corticosteroid ointments and creams, depending on the doctor's advice.

Skin cancer also causes red spots

Red spot on the skin – Discover the causes
Source: My Health

Skin cancer, skin tumors, can cause irregularly shaped red spots or wounds, which increase over time and may even bleed. Therefore, consultation with doctors is essential, as treatment may involve surgery, chemotherapy or radiotherapy, as the disease can lead to death.

Fontes: Tua Saúde, Medprev

Images: GPS Life Time, Michelle Diniz Dermato, Minha Saúde, Magscan, Atlas da Saúde, MD Saúde, Ministério da Saúde