What is the cause of red rash around the penis skin?

If

the patient

has balanitis, inflammation will continue to cause inflammatory stimulation to the glans, red rash and small erythema, but also accompanied by blisters, when the blisters burst, there will be peeling, itching and other symptoms.

2

. Allergic dermatitis

If the patient belongs to allergic constitution, contact with allergic substances will lead to red spots on the penis, manifested as red rash, allergens will also stimulate skin tissue, causing itching.

3. Eczema

if the patient does not pay attention to infection hygiene, it will lead to bacterial proliferation, causing eczema, eczema is a superficial dermal and epidermal inflammation, stimulating the skin, causing rash, itching.