A psoriasis skin rash tends to itch, burn, and feel sore. Patches of psoriasis commonly occur on your knees, elbows, and on your scalp. The common skin rash seborrheic dermatitis (pictured) also causes scaly, itchy skin patches.
Keeping this in consideration, what causes rashes on skin?
Eczema, or atopic dermatitis, is a rash that primarily occurs in people with asthma or allergies. The rash is often reddish and itchy with a scaly texture. Psoriasis is a common skin condition that can cause a scaly, itchy, red rash to form along the scalp, elbows, and joints.
What are the reasons for a rash?
Rash is not a specific diagnosis. Instead it refers to any sort of inflammation and/or discoloration that distorts the skin's normal appearance. Common rashes include eczema, poison ivy, hives, and athlete's foot. Infections that cause rashes may be fungal, bacterial, parasitic, or viral.
What can cause a rash?
- Contact dermatitis. One of the most common causes of rashes - contact dermatitis - occurs when the skin has a reaction to something that it has touched.
- Medications. Certain medications can cause rashes in some people; this may be a side effect or an allergic reaction.
- Autoimmune conditions.