1, causes
(1) pityriasis rosea is easy to attack in the spring and fall season of the skin disease, it occurs in the young and middle-aged, and also has a self-limiting. Generally, pityriasis rosea occurs on the trunk and proximal limbs, and there are a variable number of rose-colored patches in the lesions, which are accompanied by furfuraceous scales.
(2) In recent years, studies have shown the relationship between pityriasis rosea and coxsackie group B virus infection, the results of the study showed that the positive rate of serum coxsackie group B virus-specific IgM in patients with pityriasis rosea in the acute stage was significantly higher than that of healthy controls, the content of serum circulating immune complexes in the acute stage was significantly higher than that in the recovery stage, and the neutralization test and viral isolation proved that there were coxsackie group B virus infections in the body of the patients, these results suggest that the pathogenesis of pityriasis rosea is not a clear-cut disease. These results suggest a direct relationship between the development of pityriasis rosea and coxsackie group B virus infection.
(3) In addition to fungi, bacterial infections or other microorganisms such as spirochetes, the etiology of the claim has not been confirmed, and it is also believed to be an allergic diagnosis of a certain type of infection or a skin manifestation of gastrointestinal toxicity.
(4) In addition, it should be noted that although pityriasis rosea is self-limiting, but it can also occur for a long time. Now we have a certain understanding of the disease of pityriasis rosea, due to the complexity and diversity of the causes of pityriasis rosea, we should strengthen timely prevention in our daily lives, in the clinic it is found that many patients with pityriasis rosea because of the delay in the treatment of the time and left behind the unsightly phenomenon of pigmentation, so it is recommended that patients with pityriasis rosea after the discovery of the disease, to timely treatment.
2, the main symptoms
(1) the early stage of the damage is in the trunk or limbs of a place in the diameter of 1 ~ 3cm size of the rose-colored reddish spots, thin scales, known as the precursor to the spot, the number of 1 ~ 3. 1 ~ 2 weeks later, the trunk and limbs appeared in the size of the red patches, often symmetrical distribution. It starts on the trunk and gradually progresses to the extremities. The size of the plaques varies from 0.2 to 1 cm in diameter, often oval, with fine scales in the middle of the plaques, and a layer of weak scales with a free edge inward on the circumferential margins, and the long axis of the plaques is parallel to the ribs or dermatoglyphics. It may be accompanied by varying degrees of itching. In a minority of patients, the lesions are confined to the head and neck or extremity areas. The disease is self-limiting, the course of the disease is usually 4 to 8 weeks, but there are also months, or even 7 to 8 months does not heal the person, self-healing or cured usually do not recur.
(2) There are a few patients start lesions as red papules, can be fused with each other into patches, these patients often have severe itching, called papular pityriasis rosea.
(3) another class of patients, the onset of acute, no antecedent spots, mostly in the lower abdomen or inner thighs appear large red patches or macules, there is a severe itch, the damage quickly expanded to the trunk and limbs, these damages gradually in the central part of the crusted damage, scabs fall off and was a rosacea-like lesions, this type of patients may be caused by self-sensitization, so it is called the rose-type self-sensitized Dermatitis
(4) rose furfuran rash a few patients may appear systemic symptoms, especially rose-type autochthonous sensitivity dermatitis patients, there may be fever.
3, how to use medicine
(1) what ointment is good for pityriasis rosea? According to the hospital-related physicians, the conclusion. Rose chafing rash can be relieved by using Vitamin A cream, because the main ingredient of Vitamin A cream is: chemical name 3,7-dimethyl-9-(2,6,6-trimethylcyclohexene)-2,4,6,8 all-trans-nonatetraenoic acid. Vitamin A cream is mainly used to treat the common symptoms of seborrheic dermatitis, pityriasis rosea and psoriasis. In fact, no matter what kind of drug, in order to play a magical role in the drug, you need to do safe use of medication. Vitamin A cream belongs to the cream, patients must be used externally, 1-3 times a day or as directed by the doctor.
(2) In addition, compound camphor cream can also be used to treat pityriasis rosea. The main ingredients of compound camphor cream are menthol 30 mg, methyl salicylate 20 mg, chlorine gluconate 2 mg. Stearic acid and petroleum jelly are used as excipients. Compound camphor cream is mainly used for common symptoms such as pityriasis rosea and neurodermatitis. It is also important to note that if redness or swelling occurs during use, the medication should be stopped immediately. It should not be used on pregnant women. In addition to the above, you can also use the compound Qingdai capsule and other drugs to improve the symptoms.
The whole content introduced to you above is the answer to the question of what ointment is good for pityriasis rosea. I hope that after reading this article, you can have a new understanding in this regard. For safety reasons, you need to follow your doctor's advice before using medication.
4, dietary taboos
Because of the pityriasis rosea this disease, a lot of food can not be eaten, such as:
(1) seafood and meat hairy such as: fish, shrimp, crab, mussels, beef, mutton, dog meat and so on.
(2) Fried foods such as: fried chicken, French fries, roast duck and so on.
(3) Spices such as: onion, ginger, garlic, chili, pepper, etc.
(4) Some fruits and vegetables such as: mango, apricots, plums, peaches, ginkgo nuts, bean sprouts, lettuce, eggplants, wild rice, leeks, and other hot foods.
(5) Tobacco and alcohol.
All of these foods can make pityriasis rosea break out in a big way, so patients with pityriasis rosea must pay attention to their diet, so as to avoid the strange itch and increase the difficulty of treatment. In addition to diet, what else should be noted? Rose husk rash prevention and precautions, take a look.
5, precautions
(1) prevention of upper respiratory tract infections, to avoid the wind evil external attack.
(2) in the acute phase of the contraindication of hot water and soap scrubbing, prohibit the use of strong irritating topical drugs. If the general treatment attention is not enough, often make the course of the disease prolonged, or transformed into self-sensitive dermatitis.
(3) topical treatment does not advocate the application of hormone ointment, can be used in traditional Chinese medicine, or glycerite lotion and other topical application.
(4) After the disease should maintain a relaxed mood, avoid eating spicy fishy food.
(5) The lesions of this disease are generally well defined and covered with a small amount of scales, so it is important to pay attention to the difference between the clinical and fungal infectious skin diseases.
(6) Once found suffering from pityriasis rosea, do not treat yourself casually, should go to the regular professional dermatology hospital treatment.