A rash can be defined as a change in the skin’s texture or its color. Simple rashes are called dermatitis, which means the skin is erythematous, inflamed or swollen. Common rashes include impetigo, eczema,scarlet fever, psoriasis, Herpes (shingles), chicken pox, measles, scarlet, insect bites and those caused by medical conditions such as lupus or rheumatoid arthritis or due to any drug reaction.
Irritants and allergens in the climate/environment can cause rashes on the skin. Other common causes include:
Some causes and triggers for rashes are unknown.
The treatment your doctor recommends will depend on the cause of your skin rash.Some treatment options include:
Over-the-counter and prescription creams and ointments. You can treat rashes caused by skin conditions like eczema with moisturizers that are fragrance-free and contain ingredients such as ceramides, glycerin, and mineral oil. Medications include over-the-counter creams and ointments containing the steroid hydrocortisone (for example, Cortizone-10, Cort-Aid, Dermarest Eczema, Neosporin Eczema). These products may help control the itching, swelling, and redness linked to eczema.
In more severe cases, prescription-strength cortisone creams are also used.
Steroids. If you have ongoing symptoms, your doctor may prescribe topical or oral steroid treatment, which can help with itchy and inflamed skin.
Topical immunomodulators. For people with mild-to-moderate eczema, topical immunomodulators can help. These medications, including brand name products Elidel and Protopic, work by changing the body’s immune response to allergens, thereby preventing flare-ups.
Shots (injections). Injections can be used to treat rashes that come from certain skin conditions. Dupilumab (Dupixent), for example, is an injectable monoclonal antibody used in patients with moderate-to-severe atopic dermatitis. It clears the itch quickly in most patients. Cortisone shots can also be used in more severe cases.
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