White spots on the skin, all the main causes

The white spots on the skin are a very common problem and is often not serious, that can have several causes, medical or aesthetic. Learn more.

What are the white spots on the skin

The white spots on the skin are a phenomenon caused by the inability of melanocytes to produce adequate amounts of melanin and, therefore, the party concerned has ipopigmentata.

The appearance of these spots can be caused by multiple factors, therefore, it is always advisable to consult your doctor who will assess the need for a specialist visit at a dermatologist.

White spots on the skin and other symptoms

In most cases, the white spots on the skin occur without any additional symptoms like itching, flaking, boils or fever. The lack of other symptoms should not, however, delay the visit by a doctor.

Get a timely diagnosis can, in fact, to favour the quick resolution of the problem.

What to do in case of white spots on the skin

In the case of appearance of white patches on the skin it is necessary to visit your doctor to get a diagnosis in a timely problem and a possible treatment to follow.

In general, the presence of white spots on the skin, however, is not a symptom of diseases dangerous nor contagious.

The main causes of white spots on the skin

The phenomena of hypopigmentation of the skin can have many causes, the main ones are:

  • hereditary diseases such as the vitiligo
  • bacterial infections such as Pityriasis Versicolor
  • previous pathologies such as psoriasis
  • excessive exposure to the sun.

Let’s investigate, then, are the main causes of white spots on the skin and their treatment.


The vitiligo or leucoderma is a disease that manifests with white spots of irregular shape and size, also, extended.

These blemishes can affect the face, neck, arms, hands and, more rarely, may occur in the vicinity of the nails, eyes, anus and genitals.

Vitiligo causes white patches on the face and on the trunk and limbs

The causes of vitiligo

Typically the vitiligo occurs during youth and its exact causes are not, as yet, fully known.

It is assumed that inheritance plays a fundamental role in its development, as well as this pathology may be exacerbated by stress and by the concomitant presence of hyperthyroidism, adrenal insufficiency, or anemia caused by the non-absorption of vitamin B12.

Treatment of vitiligo

The care is aimed, primarily, to reduce the contrast between areas affected fromhypopigmentation and those normal.

In less severe cases you can use different natural remedies, easily achievable, also, in the house, and wraps with a base of olive oil and avocado or lavender, and neem oil.

When this disease is more serious, it may be necessary to resort to sessions of phototherapy.

Vitiligo, in fact, can undermine the psychological well-being of those who suffer from it causing big problems with self-esteem and acceptance of their physical appearance. Although lately the perception has changed and we have seen even models affected by vitiligo on the face and body to model for fashion houses and pose for various advertising.

Pityriasis Versicolor

White patches of skin on the neck, back or trunk can, also, be caused by pityriasis versicolor or tinea versicolor,an infection of the dermis, not contagious, not even through the direct contact with the skin.

It manifests itself with the onset gradual circular spots of small sizeni that, with time, they tend to unite to form an area depigmentata much more extended.

Usually, these spots occur on back, chest, neck and arms, but there are cases in which even affects the face.

The causes of Pityriasis Versicolor

The disease is caused by micro-organisms in nature, fungi that normally dwell on the skin without causing any kind of discomfort. There are, however, of the special conditions which may induce a proliferation of uncontrolled of such fungi and, therefore, the appearance of white patches.

Among the risk situations are:

  • excessive sweating
  • the use of cosmetics that clog the pores of the skin
  • the skin is particularly oily
  • system immune weak

Treatment Pityriasis Versicolor

The treatment is carried out using, for 10-15 days of ointments to apply on the affected part, and usually the spots tend to disappear entirely after a few months from the end of the treatment.

The cases of relapse are unfortunately quite common, and often it is necessary to intervene with oral medications.

Pityriasis Versicolor is caused by micro-organisms in nature, fungal

Pityriasis Alba

Another common cause of white spots on the skin can be pityriasis alba, a condition that affects especially children and young people.

Is manifested by spots not itchy, but characterized by flaking, affecting mainly the face and arms. During the season , this summer to record a greater frequency of cases of this disorder of dermatology.

The causes of Pityriasis Alba

The reasons that cause the onset of Pityriasis Alba have not yet been identified with accuracy, it is noticed, however, a greater impact on particularly dry skin or suffering from atopic dermatitis or in those who suffer from psoriasis.

Pityriasis Alba is a disease, especially affecting children and young people.

Treatment Of Pityriasis Alba

Pityriasis Alba disappears spontaneously within a few weeks from its manifestation, it is advisable to always keep the skin very hydrated and protected from the sun by creams with a high protection factor.

Idiopathic guttate

One of the most common causes of white spots on arms and legs is attributable toidiopathic guttatea skin disorder that mainly occurs in women older than 50 years of age.

Is characterized by the presence of small spots rounded, focusing mainly on the legs, arms, décolleté , or, however, areas always exposed to the sun’s rays.

Such a situation presents itself in all its evidence during the summer, when the tan of the rest of the skin creates a contrast even more sharply with the areas ipopigmentate.

Causes of idiopathic guttate

It is one of the consequences of excessive exposure to the sun’s rays, and occurs when the skin begins to age.

The idiopathic guttate is characterized by the presence of small spots rounded, focusing mainly on legs and arms

Treatment of idiopathic guttate

Unfortunately, there is no treatment, aimed at removing the white spots on the skin caused by this disorder, but you can only act in advance, trying to limit exposure to the sun’s rays and uleveraging sunscreen with a protection factor greater than 50.

The white spots on the nails

You can often have white spots on the nails, this phenomenon is called leukonychia, which is transversal to all age groups and can be caused by:

  • microtrauma
  • deficiencies in nutrition, especially zinc and vitamin B6.
  • infections or fungal infections

Another common cause of white spots on the nails, it is, also, a prolonged use of nail Polish, especially, when it is added to the layer already present, and not to be replaced in toto.

This habit, quite widespread, due to a sort of maceration of the superficial layer of the nail.

How to cover the white patches on the face

The white patches on the face, regardless of their cause, can be easily covered by using concealer and foundation to choose from in a shade as similar as possible to that of the skin not depigmentata.

In case the stains are caused by vitiligo in pharmacy are available cosmetic lines that are created ad hoc for those who suffer from this type of problem with a very high covering power, which does not dissolve with water and sweat.

How to cover white spots on legs and arms

Stains on the legs in the summer can be covered by using a self tanning lotion which tones must be chosen with care in order to avoid a worsening of the dyschromia. The board is to choose this cosmetic version of the spray as it is easier to get a uniform effect and compact.

While in the winter with opaque socks of a dark color or patterned to help hide this imperfection.