Skin maculopapular rash

Introduction A maculopapular rash is a combination of a rash and a pimples. In addition, there are nodular erythema, dark red papules, prominent skin, hard nodules, and acupressure. A type of rash. A chassis with red skin around the pimples. Found in rubella, scarlet fever, drug rash, etc.

Cause

The maculopapular rash can be seen from various pathogens such as rubella, scarlet fever, drug allergy or excessive poisoning, other allergic and allergic diseases, and connective tissue diseases.

an examination

Related inspection

Lesion nodule antigen (Kveim) test

Therefore, clinical examination of patients with maculopapular rash:

First, physical examination

Taking a medical history gives us a first impression and revelation, and also guides us to a concept of the nature of the disease.

Second, laboratory inspection

Laboratory examinations must be summarized and analyzed based on objective data learned from medical history and physical examination, from which several diagnostic possibilities may be proposed, and further consideration should be given to those examinations to confirm the diagnosis.

Differential diagnosis

The papule is a substantial lesion on the surface of the skin. It can be seen that the palpation can touch the mound-like damage. The general range is small. The diameter is usually less than 1cm. If the papules enlarge or the papules merge into a flat ridge, The flaky shape is called plaque. The papules are mostly round, rounded polygons or irregular.

The top of the papule may be pointed and tapered, rounded in a semi-spherical flat shape or in the middle of a depression such as a umbilical fossa. The color may be red, such as psoriasis, purple red, lichen plane, yellow (yellow tumor), white (atrophic sclerosing moss dance), brown (pigmentation), and the like, which may occur in various parts of the body or in the hair follicles and sweat glands. The existence time may be long or short, more or less, soft or hard, smooth or rough surface may be papillary or surface covered with scales. Can be scattered, cluster distribution can be limited or systemic or symmetrical. Symptoms vary in severity, such as itching or other symptoms. If the damage is between the papules and the macules, the surface is slightly flattened and called a maculopapular rash. Water sores or purulent sputum on the tip of the pimples are called papules or abscesses.

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