It took about a week. I don't know how it happened. I scratched when I felt a little itchy. Then I didn't care if I didn't itch. I found this after taking a bath today (I didn't take a bath a week ago). I don't know what's going on. Other conditions (coughing hasn't recovered for a month).
Condition Analysis:
Flaky reddish brown patchy rash and pruritus on trunk and limbs. Combined with the picture, it should be considered to be caused by eczema and allergic reaction
Guidance:
Avoid contact with irritant bathing products, wear loose, comfortable and breathable clothes, and locally use desonide cream.
Condition Analysis:
From the photos you sent, your situation is considered that dry dermatitis is related to factors such as dry skin and water shortage. In terms of treatment, it is recommended to externally use triamcinolone acetonide urea cream, rub it twice a day, usually apply moisturizing milk, avoid hot water scalding, do not eat spicy and irritating food, and avoid scratching.
Condition Analysis:
According to your picture symptoms, it should be the problem caused by local dermatitis or ringworm symptoms, which is not directly related to your cough. In addition, pay attention to cleaning the body surface frequently every day, avoid excessive scratching, wear loose, comfortable and breathable clothes, and apply some dermatitis drugs or ketoconazole cream.