Gibert's Pityriasis Rosea: Diagnosis and Therapies

it is a known rather frequent benign dermatosis, with generally spontaneous resolution and presumed infectious nature; it is an acute eruptive morbid condition, the etiology of which, as already extensively discussed in the previous treatment, is still uncertain.

In most affected subjects, the diagnosis is almost simple and consists of a simple physical examination. However, in some cases, the simple physical examination may be more complicated, consequently a differential diagnosis is necessary; in this regard, a "careful classification of the various forms of pityriasis rosea by Gibert is a must. Only after having identified the type of pityriasis rosea that afflicts the patient, it is possible to draw up a" careful diagnosis, then direct the subject towards the most suitable therapy .

, chronic lichenoid pityriasis, lichen planus, guttate psoriasis, taxidermies (iatrogenic allergic dermatitis), Tinea Corporis (mycosis of the skin), seborrheic dermatitis and secondary syphilis.
When Gibert's - presumed - pityriasis rosea also affects the soles of the feet and the palms of the hands, a thorough serological examination is essential to exclude syphilis (eg quantitative VDRL) and, when necessary, microscopic investigation for isolation. of the fungi. The diagnosis must "be even more scrupulous when the mother spot is not identified": very often, in similar situations, the diagnosis of pityriasis rosea by Gibert can be erroneous, since the mother spot tends to present itself almost always in the classic forms of pityriasis. In any case, there are no shortage of exceptions, since sometimes the mother stain may be absent in patients or, in others, be present in multiple copies.

(typical aspect a sewing thimble). The symptom picture is almost the same as for Gibert's pityriasis rosea.

Inverted or inverse pityriasis rosea: despite being an unusual dermatosis, it is typical of people with dark-olive skin. Macules spread to unusual anatomical areas such as, for example, lower and upper limbs, and face; the typical areas of pityriasis (trunk, in particular) remain unharmed.

Vidal's Pityriasis rosea circinata and marginata: this atypical form of dermatosis tends to persist for a few months, despite treatments aimed at its healing. Generally, the pink spots are isolated from each other, but the dimensions are larger.

Vesicular pityriasis rosea: pityriasis dermatosis very frequent among the black population, particularly among the young and the very young.

Pityriasis rosea urticata: as the term itself implies, this form of pityriasis is also accompanied by urticaria.

Other less known and more infrequent forms include pityriasis purpuric-haemorrhagic, pityriasis lichenoid and pityriasis pustular.
When Gibert's hypothetical pityriasis rosea does not resolve within 10 weeks, further medical monitoring is required in order to rule out plaque parapsoriasis, sometimes a precursor of cutaneous lymphoma.

, the doctor generally prescribes the oral administration of antihistamines. Systemic cortisone therapies are not recommended as they could aggravate the pre-existing condition, exacerbating the damage.
However, the topical application of cortisone-based ointments (of mild to medium intensity) can relieve the itching and possibly the erythema created. Sometimes, the use of menthol-based creams calms the sensation of local heat; when the itching is incessant and the person suffering from pityriasis rosea continues to scratch the affected area, it is advisable to apply creams containing local anesthetics (eg. pramoxine).
Also useful are the creams and ointments with emollient action, practical help against dry skin generated by dermatosis; It is also recommended to apply cleansers with a slightly acidic and highly moisturizing pH, since the damaged skin is particularly sensitive and delicate.
Exposure to the sun and to artificial UVB lamps is not recommended in the case of Gibert's pityriasis rosea, as this habit could exacerbate the dermatosis.

For further information: Medicines for the treatment of Gibert's Pityriasis Rosea

Infants / infants

Subjects with dark-olive skin

The probability of developing pityriasis rosea in pregnant women is slightly higher than in other women.
When it comes to Gibert's pityriasis rosea, there is no harm to the fetus: in any case, it is necessary to exclude the absence of secondary syphilis (the symptoms of which could be confused with pityriasis), which is much more dangerous for the unborn child.

Gibert's pityriasis rosea in infants and young children tends to be more aggressive and degenerate into urticaria

After treating pityriasis rosea in people with dark skin, the appearance of hypochromic (white or light spots on the skin) or hyperchromic (dark patches) macules is very likely.The phenomenon is transitory in most cases.