What Are the Common Causes of a Rash with Pus?
A rash is a skin lesion. There are various manifestations from simple skin color changes to skin surface bulges or blisters. The rash is characterized by large and small patches of red, sometimes itchy, and sometimes not itchy. There are many types and causes of the disease, which need to be diagnosed according to different situations.
- A rash is a skin lesion. There are various manifestations from simple skin color changes to skin surface bulges or blisters. The rash is characterized by large and small patches of red, sometimes itchy, and sometimes not itchy. There are many types and causes of the disease, which need to be diagnosed according to different situations.
Types of rashes
Skin rash
- Only local skin color changes, neither elevated skin nor sunken skin damage, found in typhus, erysipelas, rheumatic polymorphic erythema, etc .: redness due to vasodilatation (scarlet fever, measles, measles, etc.) , Purple spots with subcutaneous bleeding, and so on. Purple spots are divided into small spotted bleeding or stasis with a diameter of less than 5 mm and stasis spots or purpura with a diameter of more than 5 mm. These rashes often change from red or purple to brown and yellow, and eventually disappear. From rash to disappear, some take two weeks, and some take 2-3 days.
- Those with an increase in skin pigmentation that change the skin are called pigmented spots. In contrast to pigmented spots, those who have blanched skin are called white spots, which is represented by vitiligo (white spots of common).
Rash pimples
- Papules are small skin lesions with substantial skin bulge accompanied by color changes. They are found in drug rashes, measles, scarlet fever, and eczema.
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Rash roseola
- Roseolas (roseolas) often appear in the chest and abdomen with a bright red, small (mostly 2 ~ 3mm in diameter), round spotted rash, which fades. This is a characteristic rash that has important diagnostic value for typhoid and typhoid.
Rash maculopapular rash
- Macular papules (maculopapulae) appear on the chassis of macula as maculopapular rash, seen in scarlet fever, rubella, and drug rash.
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Rash urticaria
- Urticaria, also known as wind mass, is a temporary edematous bulge of the local skin, ranging in size and shape, with a pale or reddish color, leaving no trace after retreating. It is caused by a rapid skin allergy. Found in allergic protein foods, drugs or other substances, insect bites and so on.
Significance of rash
- The rash is important for the diagnosis of acute infectious diseases as a skin change. According to the appearance and shape of the rash, sometimes the disease can be diagnosed, and it can also be the basis for taking corresponding treatment measures. Traditional Chinese medicine recommends Weifu cream treatment. Because there are many rashes caused by taking medicine and using cosmetics, attention should be paid to identification.
Causes and characteristics of rash
Rash acute eruptive infectious disease
- Acute eruptive infectious diseases include scarlet fever, rubella, chicken pox, measles, dengue fever typhus,
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Rash connective tissue disease
- Mainly seen in acute disseminated lupus erythematosus. The typical skin damage is butterfly erythema on the bridge of the nose or cheeks. Other skin damage such as exudative polymorphic erythema, pimples, purpura, urticaria, etc., accompanied by fever, rash, splenomegaly, joint pain, etc Symptoms: Laboratory tests can find accelerated erythrocyte sedimentation, decreased serum protein, and positive antinuclear antibody tests. The discovery of lupus cells is decisive for the diagnosis of the disease.
Rash Allergies and Allergies
- Such as rheumatic fever in 1/3 of patients can appear various rashes. The most common are circular erythema and subcutaneous nodules.
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Rash hematopathy
- Acute rash can also be seen in some blood disorders. Fever is often associated with acute leukemia, Hodgkin's disease, and malignant reticulopathy. A bone marrow examination can help with the diagnosis.
Rash management
- 1. Don't scratch it.
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- 2. In terms of clothing, especially shirts and undergarments, don't be irritating. Generally, clothes made of soft cotton are the best. Do not wear synthetic fibers or wool.
- 3 Do not eat foods that are irritating and greasy.
- 4 Stools should be unobstructed. Laxatives or enemas can be taken when constipated.
- 5. Keep skin and mucous membranes clean.
- 6. Careful observation of systemic symptoms and the type of rash.
- 7. Try to avoid long-term or short-term high-dose corticosteroids.
Rash daily precautions
- 1. Trace the cause as far as possible, isolate allergens, and avoid re-stimulation. Remove lesions and treat chronic systemic diseases such as indigestion, intestinal parasitic disease, diabetes, mental and neurological abnormalities, calf varicose veins, etc.
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- 2. Pay attention to skin hygiene. Do not use hot water or soap to wash skin lesions. Do not use irritating antipruritic drugs.
- 3 Fast food, spicy and irritating food, avoid foods such as fish and shrimp that are easy to sensitize and not digest, pay attention to observe the relationship between diet and disease.
- 4 Combining work and rest to avoid excessive fatigue and mental stress.