Associated symptoms
A skin rash can generally manifest itself in many different ways. Often the accompanying symptoms also help in making a diagnosis. A psoriasis rash, for example, is usually sharply defined, reddish and scaly.In addition, skin changes often show up in this case on other parts of the body, such as the head or the extremities.
In shingles, however, blisters are also present. Itching can also be present. It often occurs in cases of allergic genesis.
In the course of the disease, increased scratching can cause the sensitive and dry skin to crack within the skin change, resulting in painful cracks. Itching can be attributed to skin diseases or systemic diseases, such as severe liver damage. If the itchy skin change occurs locally under the breasts, this does not indicate a systemic trigger.
Possible dermatological causes would be psoriasis, allergic contact eczema or a local fungal infection. Psychological stress can also lead to an increased itching sensation. If the rash smells bad, this may be a sign of infection.
This can be either a bacterial infection or a fungal infection. The infection can also be secondary. This means that pathogenic bacteria or fungal spores get into the previously damaged, dried and/or scratched skin and settle and multiply there. Especially under the breast, the skin is very susceptible to infections, as the skin folds are constantly lying on top of each other and a moist and warm environment is formed, which makes it easy for bacteria and fungi to multiply.
Diagnosis
In order to be able to determine the cause of the rash with certainty, it is recommended to consult a dermatologist. The dermatologist can often make a diagnosis based on the patient’s medical history or symptoms and the specific appearance of the skin change. If a fungal infection or other infection is suspected, a smear test can be taken. In some cases it is not possible to determine with certainty exactly what has led to the irritation of the skin. In this case, successful therapy through care measures is sufficient as proof that there is no chronic cause.