Any part of the skin that becomes irritating, inflamed, or discolored is referred to as having a rash. Numerous factors, such as allergies, infections, drugs, and other medical disorders, can cause rashes. Allergic reactions to specific foods, medications, or other substances are some typical causes of rashes. Touch dermatitis, which happens when the skin comes into contact with an irritant like poison ivy or detergents, is another prevalent cause.
- Eczema, a persistent skin ailment that results in red, itchy skin;
- Infections like bacterial infections, viral infections like shingles or herpes, or fungal infections
- Psoriasis, a persistent autoimmune disorder that results in red, scaly skin areas.
The underlying cause of a rash will determine how it should be treated. With time or the use of over-the-counter creams or lotions, the rash may occasionally go away on its own. In other situations, it could be required to use prescription drugs or other types of medical procedures. Oral antihistamines to aid with discomfort and itch relief Topical corticosteroid creams or ointments to reduce inflammation and itching Antibiotics or antifungal drugs to treat bacterial or fungal infections Phototherapy, which employs ultraviolet light to treat some forms of rashes
- Systemic treatments for severe or persistent rashes, such as immunosuppressants or biologics
If you encounter a rash that is persistent, severe, or accompanied by other symptoms like fever or edema, you should seek the advice of a board-certified dermatologist. A dermatologist can identify the rash's underlying cause and suggest the best course of therapy.