According to the New York Times Health Guide, allergic reactions are common. Allergic reactions cause various symptoms such as nasal irritation, eye inflammation and rashes. Allergic reaction rashes are a common symptom of insect bites, drug allergies and food allergies. In most cases, allergic reactions are treatable with home care methods, over-the-counter medications or prescribed drugs. Identify allergic reaction causes by seeing a doctor.
Causes
Common causes of allergic reactions are airborne allergens, drugs, insect bites and certain foods, according to MedlinePlus. Pollen from trees, grass and weeds can cause an allergic reaction. Any drug can cause an allergic reaction in an individual, resulting in a rash. Insect bites from bees and hornets cause a rash to breakout, and certain foods such as dairy products and nut products can cause an allergic rash.
Hives
The American Academy of Dermatology states that hives are the most common rash caused by allergic reactions. Around 20 percent of the American population will experience hives during their lifetime. Hives are localized welts that are red in color, extremely itchy and can take on different shapes. Hives can appear, disappear and reappear in a matter of minutes.
Treatment
According to the New York Times Health Guide, treating allergic reactions and rashes begins with identifying allergens. Avoiding exposure to the allergen will decrease the risk of an outbreak. Treatment includes taking an oral antihistamine to reduce allergy symptoms and using corticosteroid creams to reduce inflammation in the skin. If the reaction is from an insect sting, remove the stinger and apply ice or a cold compress to reduce the spreading of the venom.
Complications
Allergic reactions and rashes can lead to a serious, life-threatening condition called anaphylaxis, according to MedlinePlus. Anaphylaxis is a rare condition in which the entire body experiences an allergic reaction, leading to mental confusion, seizures and the inability to breathe. If these symptoms develop, call 911 immediately. If a rash develops in the throat, it can cause swelling in the throat that can also cause life-threatening complications.
Considerations
The American Academy of Dermatology states that a patient experiencing consistent rashes should talk with a dermatologist. Consider seeing an allergist to explore the option of allergy shots. Allergy shots may reduce the body's severity of allergic reactions, avoiding future episodes of rashes. People with a serious allergic reaction should wear an ID tag that identifies their allergy and gives instructions on how to handle a severe reaction, according to MedlinePlus.
