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7 Diseases that cause red spots on the skin

Red spots on the skin in adults may be related to diseases like Zika, rubella or a simple allergy. So, whenever this symptom appears, one should go to the doctor to identify their cause and initiate appropriate treatment, which may include the use of painkillers, anti-inflammatory drugs or even antibiotics.

The doctor may see the spots and if there are other symptoms associated. In these cases he may ask for tests that help get to the diagnosis, but sometimes the doctor can arrive at the diagnosis by only observing the characteristics of the spots. 

Common causes for red spots on the skin

As main causes for red spots on the skin are diseases like:

1. Allergies

Alergia
Alergia

How are the spots: medium-sized, can be red or white, itchy and can fill with liquid. They usually appear after contact with plants, animal hair or medication intake, for example, but can also be caused by insect bites or food poisoning.

Treatment: Symptoms can be alleviated with allergy medication, such as Loratadine, corticosteroids, such as Prednisone, or application of creams, such as Phenergan, prescribed by a dermatologist. See more about how to treat this problem.

2. Ringworm

MIcose
MIcose

How are the spots: they can be large and affect a well-delimited region of the body. In addition, there may also be some blistering and flaking in the area. 

Treatment: antifungal remedies and sometimes antibiotics can be indicated by a dermatologist.

3. Zika virus

Zika
Zika

How are the spots: gently raised reddish spots that are accompanied by itching, which usually appear 3 days after the mosquito bite. Zika spots usually appear first on the face and scatter to the rest of the body in a few hours and last for about 5 days.

Treatment: Rest, hydration and remedies prescribed by the doctor to relieve symptoms and discomfort such as Dipyrone or Paracetamol, for example.

4. Eczema

Eczema
Eczema

How are the spots: They cause a lot of itching and can become swollen. They are more common in children and health care professionals who wash their hands with antiseptic soaps.

Treatment: ingestion of anti-allergic medication like Loratadine and the use of ointments or corticoid creams, such as Fucibet, prescribed by a dermatologist.

5. Rubella

Rubéola
Rubéola

How are the spots: They are small, slightly raised and itchy. They usually start on the face and behind the ears and soon spread through the body and last for about 3 days.

Treatment: Follow the treatment indicated by the doctor, which can be done with Paracetamol until the disease is properly controlled. 

6. Psoriasis

Psoríase
Psoríase

How are the spots: they have a white center with red, dry edges, that flake and cause itching. They are most common before the age of 30 and after the age of 50, they are not contagious and are related to genetic factors.

Treatment: apply anti-inflammatory creams or ointments prescribed by a dermatologist,have some exposure to the sun and make changes in your diet, such as avoiding fatty foods and processed products, and increase the consumption of foods rich in omega-3 and beta-carotene.

7. Lupus

Lúpus
Lúpus

How are the spots: Flat or raised red spots that may appear on any part of the body, being more common in women.

Treatment: the use of corticosteroid and immunosuppressive drugs prescribed by a physician. 

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