Rashes can be a common manifestation of a number of skin conditions, such as atopic dermatitis, allergic purpura, and hives. Symptoms and treatments vary from disease to disease. Most manifest as red papules, often accompanied by itching symptoms. They are usually treated with topical and oral medications.
1. Atopic dermatitis: lesions are often characterized by limited mossy changes, and generalized dry papules may occur in some populations. There are changes such as intense itching, scaling, scratching bloody scabs, and hyperpigmentation. Generally, you can strengthen the local skin basic moisturizing case, you can use topical dexamethasone, budesonide and other glucocorticosteroids for treatment.
2. Henochromatosis purpura: it occurs in the lower limbs and is often preceded by the onset of upper respiratory tract infection, low-grade fever, general malaise, and then red petechiae and ecchymosis. Mucopolysaccharide polysulfate can be used externally, if accompanied by arthralgia, abdominal pain, etc. need to be promptly hospitalized, if necessary, given glucocorticoids or immunosuppressants and other treatments.
3. Urticaria: itchy skin, itchy parts of the appearance of varying sizes of red red masses, preferred cetirizine and other second-generation H1 receptor antagonist treatment, vitamin C and calcium can reduce vascular permeability, help to alleviate the symptoms of the severe cases can be systematic application of glucocorticosteroids such as dexamethasone, methylprednisolone, and other glucocorticosteroids.
If the rash appears, do not use drugs on your own, you need to seek medical treatment as soon as possible, to clarify the cause of the disease, symptomatic treatment, to avoid delaying the condition or causing serious complications.