Allergic Skin Reaction

What are Allergic Skin Reactions?

An allergic skin reaction, commonly known as a rash, occurs when certain allergens come in contact with the skin. These allergens can include medications, foods, contact with certain plants, or exposure to certain substances. The skin’s reaction to an allergen can range from mild to severe, and can affect any area of the body.

Types of Allergic Skin Reactions

There are several types of allergic skin reactions, including:

• Contact Dermatitis: This is the most common type of allergic skin reaction. It occurs when an allergen, such as a detergent or chemical, comes into direct contact with the skin, usually through broken skin such as a cut or abrasion. It is characterized by redness, swelling, itching, and possibly blisters or hives.
• Hives: This type of allergic skin reaction is characterized by red, raised bumps or welts on the skin. They are usually itchy and can range in size from a few millimeters to several inches. Hives usually resolve within 24 hours, although they may reappear in the same spot or elsewhere.
• Atopic Dermatitis: This type of allergic skin reaction is often referred to as “eczema” and is usually associated with an underlying allergy. It is characterized by red, itchy, and scaly patches on the skin. It is most common in infants and young children, but can occur at any age.
• Urticaria: This is commonly referred to as “hives” and is characterized by raised, itchy bumps or welts on the skin. It typically occurs in areas of the skin that are exposed to the allergen, such as the face, arms, back, and chest.
• Angioedema: This is a swelling of the deeper layers of the skin and is usually associated with an allergic reaction to certain foods or medications. It can also be caused by insect bites or stings. It typically occurs around the eyes, face, and mouth, and can be accompanied by hives or other skin reactions.

Treatment of Allergic Skin Reactions

Treatment of allergic skin reactions depends on the type of reaction and its severity. Generally, soothing creams, such as those containing hydrocortisone, can be used to relieve itching and inflammation. Antihistamines may be used to relieve itching and reduce inflammation. In more severe cases, oral steroids may be prescribed. If the allergic reaction is caused by a medication, the patient should stop taking the medication and speak to his or her doctor about an alternative.