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Skin rashes accompanied by other symptoms such as fever, joint pain and muscle pain may be a sign that you have an infection inside your body. At the same time, rashes also occur because of allergies or side effects to certain drugs, according to the American Academy of Dermatology (AAD).
The rash on the neck skin behind or around the arm is usually slightly darker than normal skin color. This is an early sign of people with type 2 diabetes.
Less common, black spiny rash may be an early warning sign of organ cancer such as stomach, liver. Meanwhile, the purple board in the calf represents hepatitis C.
Toxic epidermal necrolysis
This is caused by a severe allergy to medication or infection, which can lead to peeling, up to 30%. It can also cause long-term skin problems. The worst case can lead to organ failure.
Similar to the above symptoms, there is Stevens-Johnson syndrome, but the peeling area is not too wide, about 10%.
Also known as neonatal exfoliative dermatitis, usually occurs in children under 5 years of age, more likely to occur in children with kidney disease or weak immune system. In adults, the disease is very rare and only occurs in immunocompromised people (HIV infection, terminal cancer or kidney failure).
If children have the disease, the mortality rate is low, usually less than 5%, however, in adults, the death rate can be up to 60% due to septicemia or preexisting illness.
The disease starts from an infection around the natural cavity such as eyes, nose, mouth and inguinal folds, armpits appear red skin lesions, blisters, rapid pustular pustules and scabbing accompanied by tired patients , fever. After 24-48 hours, red skin quickly spreads throughout the body, edema, pain. On the skin surface, there are soft, very shallow, unclear, easily slippery blisters, sometimes the blisters are linked together into a wide array, then slipped out, flaky like cigarette paper, leaving the skin red moist.
Unusually dry skin
High blood pressure and kidneys sometimes result in thickening of the skin in the lower legs. In addition, dry and itchy skin can signal hormonal problems.
Abnormal soft skin is also a rare pathological symptom of connective tissue, which can be referred to as cutaneous disease (cutis laxa).
Skin grows too fast
If you see new skin changes that are too fast, you should see a doctor because it could be a sign of skin cancer, disease from inside or abnormal genetic syndrome.
For example, yellow on the skin of the arms, legs or back may be a sign of diabetes. Sometimes, acne is also a factor to catch the disease. In teen girls, if dense acne in the face or jaw may be a sign of polycystic ovary syndrome.
Skin turns yellow
According to Mirror, that could be a sign of jaundice. The liver is not purified, eliminates toxins from the body, forms bilirubin development, causes jaundice, can even be seen in the white of the eye. If you experience this symptom, you should perform a urine test, liver function and blood test.
Skin scabs on the knuckles
That may be a sign of cancer. Red scales on knuckles can be a sign of atopic dermatitis, or other autoimmune diseases such as diabetes and thyroid. But in 20% of cases, it also warns internal cancer like ovarian cancer. The accompanying sign is a purple rash on the upper eyelid, unexplained weight loss, nighttime cough, sweating, fatigue, weakness.
The disease caused by the immune system attacks the tissues under the skin and around the internal organs. This is a very rare condition, which causes the skin to harden, especially on the hands, arms, legs and face.
The skin is swollen like a yellow lump
This is a sign of diabetes. High levels of cholesterol and insulin resistance can cause diabetics to develop yellow bumps that form small, itchy clumps on the skin. Symptoms are thirsty, more frequent toileting.
The folds on the dull skin
That may be a sign of Addison's disease. This is a rare disorder of the adrenal gland. At first, the disease primarily manifests itself with flu-like symptoms such as fatigue, muscle weakness, but more serious, causing you to experience dizziness, cramps. Addison's disease darkens the skin, especially in the folds of the hands.
The disease is also accompanied by other symptoms such as weight, thin thickness of hair that changes erratically.