6 possible causes and how to treat

The skin is considered to be the largest organ in the human body, and maintaining it is just as important as treating internal symptoms. Just as short-term and short-term skin irritation is common, it can be serious and difficult to live with if its causes are not immediately recognized.

Insect bites and dry skin may even be considered common causes, but when itching is accompanied by redness, spots, sores and other similar manifestations, finding a dermatologist is the best way to get proper treatment.

To understand the main causes of skin irritation and what to do when it occurs, Live well consulted with experts who commented on other conditions:

skin infections

They can be caused by fungi, parasites or bacteria, which cause ulcers and inflammatory reactions, resulting in skin rashes. The most common are:

  • Mycoses: can affect any part of the body; skin candidiasis, the cause of which is the presence of the fungus Candidamore common in body folds, such as breasts, groin and armpits;
  • Rash: an infectious disease characterized by contagious ulcers that are mostly irritated at night and are caused by fleas. Sarcoptes scabiei;
  • Herpes: more frequently on the lips and genitals;
  • Impetigo: May form ulcers and pus and crust.

Possible treatment: the doctor may prescribe the use of antifungals, antibiotics or antiallergics, depending on the identified microorganisms.

skin disease

This is an inflammatory disease that can have a genetic or autoimmune cause – which involves a long-term allergic process. Some of them are:

  • Atopic: pruritus and eczema attacks occur, usually with early childhood, and may be associated with asthma or allergic rhinitis;
  • Seborrheic: more common on the scalp and body fat regions;
  • Herpetiformis: Has more rehabilitation for people who do not tolerate celiac or gluten;
  • Psoriasis: a chronic disease caused by the proliferation of cells on the surface layer of the skin;
  • Contact: caused by skin contact with irritating substances such as soap, detergent, bleach etc. They may also be produced by allergic reactions, as is the case with allergies to rings, perfumes, cosmetics or fabrics.

Possible treatments: dermatologists should evaluate the characteristics of ulcers caused by irritation in order to prescribe moisturizing creams, based on urea, for example, corticosteroids or antiallergic medications.

allergic reactions

Insect bites are a frequent cause of irritation and are easily recognizable, usually causing temporary discomfort. A scar, regardless of etiology, can also change and itch, which is related to the process of repairing damaged tissue.

Other common causes of allergic reactions are related to excessive heat or sweating, pet dander, dust, medications, cosmetics, food, and more.

Possible treatment: each case provides a course of treatment, especially if there are severe symptoms, when the patient may need injectable medication.

Dry skin

This can be, in itself, a triggering factor, common in the elderly and people living in cold climates, especially in the legs. Improper sun exposure can also damage the skin and cause dryness.

Possible treatment: to reduce these things, it is recommended to use sunscreen, avoid long baths, use loofahs, prefer strong soaps and moisturize the skin immediately after bathing.

systemic diseases

Some systemic diseases, such as hypothyroidism, can cause dry skin and, consequently, irritation. It is also important to remember that the liver, bile ducts and gallbladder are key ingredients for bilirubin metabolism, involved in its production, excretion and storage.

Thus, if other diseases affect this bile flow, the bilirubin pigment can enter the bloodstream and accumulate.

In these cases, the skin may become inflamed and turn yellow, as well as white eyes, the urine becomes dark and the stool may become pale. Among the substances in bile, some of them can cause irritation, as they accumulate and stimulate nerve structures in the skin. This irritation can be severe, general, and uncontrolled.

Other systemic diseases that can cause skin irritation are viral infections, such as Zika, chickenpox, and dengue; HIV, as a result of autoimmune mutations; and skin cancer itself, and wounds that grow, do not heal and, therefore, itch.

Possible treatment: it is important to attack the underlying causes, which must be identified by a doctor. However, keeping the skin moist at all times can help improve discomfort.

psychological disorders

Things like stress and anxiety can increase the feeling of itching, causing a person to damage the skin by scratching, and causing injuries. Care and psychological support, in these cases, are important, as it is possible that they even turn into “bad circles”, where the more individual scratches and skin damage, the more they feel like continuous scratch.

Often, irritability can interfere with sleep quality and the performance of study activities at work.

Possible treatment: diagnosis requires investigation, as the causes may combine simple and treatable causes for more complex diseases, which require special monitoring.

Sources: Camila Marinho Fariasgastroenterologist and dietitian endoscopist, professor of medicine at Unipê (Centro Universitário de João Pessoa); Carlos Machadodoctor from Unifesp (Federal University of São Paulo), chief physician specializing in preventive medicine and nephrologist; Carolina Milanezdermatologist, a doctor from Unioeste (Western Paraná State University), with a master’s degree in cosmiatry from Unifesp; Joanne Ferraz, dermatologist and professor of medical courses at Unipê (Centro Universitário de João Pessoa); and Vanessa Pradodigestive system surgeon and physician at the Special Dietary System Special Center at Nove de Julho Hospital (SP).

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