The red rash on the bend of the arm, also known as the elbow joint, may be related to contact dermatitis, eczema, insect bite dermatitis and herpes zoster, for which anti-allergic, anti-itch and anti-viral medications are needed.
1. Contact dermatitis: an allergic reaction due to local skin contact with some kind of irritating objects, the main treatment is to give some anti-allergic medication, such as topical dexamethasone cream, dieldrin cream, etc., and to avoid re-exposure to sensitizers.
2. Eczema: local skin is affected by a variety of factors and produce a kind of inflammatory changes, in the way of treatment is mainly symptomatic treatment, such as topical glycerine lotion to stop itching, Dinaid ointment anti-inflammatory and so on.
3. insect bite dermatitis: elbow joint parts are exposed parts, it is easy to be mosquito bites and metamorphosis, in the treatment is mainly targeted to give some anti-itch medication, such as fluoride acetate easy ice cream.
4. Herpes zoster: due to infection with varicella zoster virus and the formation of a skin disease, in addition to the rash, usually accompanied by burning, pain or slight itching discomfort, in the treatment is mainly to anti-virus-based, such as topical acyclovir ointment.
There are other reasons that can cause the above symptoms, it is recommended to consult the dermatology department of the hospital, after a clear diagnosis, follow the doctor’s instructions for treatment, and the above drugs should be used in accordance with the doctor’s instructions.