Contact with the oily coating from poison ivy, oak, or sumac causes a rash in many people. It begins with redness and swelling at the site, and then becomes itchy. Rashes can happen for many reasons, including skin infections, allergies, and medications. They can also result from bacterial, fungal, viral, or parasitic infections and other diseases. In this. From eczema to allergic reactions to bug bites, here’s what common skin rashes look like in photos, and the symptoms that can help you I.D. the condition. Different rashes can appear and feel differently, so it’s important to get an accurate diagnosis. Different kinds of skin rashes include eczema, chickenpox, psoriasis, and shingles. Treatment. A rash is any area of irritated or swollen skin. Rashes may be itchy and painful and appear differently on different skin tones. In some cases, a rash may be a sign of a medical emergency. Explore 10 common types of skin rashes with pictures, symptoms and possible causes, including skin allergies, eczema, heat rash, hives and fungal infections. Compare different rashes on skin, learn when to seek medical care and try our free AI skin rash checker to explore possible causes. Rashes may cause the skin to change color, itch, become warm, bumpy, chapped, dry, cracked or blistered, swell, and may be painful. The causes, and therefore treatments for rashes, vary widely. A rash is an area of skin that is irritated, inflamed or swollen. Rashes can occur due to various causes. Discover 36 common skin rashes. Skin rashes can be red, inflamed, bumpy as well as dry, itchy or painful. The main cause is dermatitis, which is when your skin reacts to allergens or irritants. Bacteria, viruses, allergens and conditions including eczema, hives, and psoriasis can be the source of skin rashes. Rashes are unusual changes in skin color or texture. They normally come from skin inflammation, which can have different causes. There are many types of rashes, including those caused by skin.