What are 3 symptoms of an allergic reaction?
Common symptoms of an allergic reaction include:
- sneezing and an itchy, runny or blocked nose (allergic rhinitis)
- itchy, red, watering eyes (conjunctivitis)
- wheezing, chest tightness, shortness of breath and a cough.
- a raised, itchy, red rash (hives)
- swollen lips, tongue, eyes or face.
What happens when a child has an allergic reaction?
Allergies happen when your child’s immune system reacts to an allergen. Symptoms of a mild or moderate allergic reaction include rash, swelling, tingling mouth or lips, sore stomach, vomiting, hay fever and asthma. Signs of anaphylaxis include difficulty breathing, a tight throat, a persistent cough and fainting.
How do you rule out an allergic reaction?
A skin prick test, also called a puncture or scratch test, checks for immediate allergic reactions to as many as 50 different substances at once. This test is usually done to identify allergies to pollen, mold, pet dander, dust mites and foods. In adults, the test is usually done on the forearm.
How can you test if you are allergic to something at home?
A doctor or immunologist may diagnose an allergy after conducting a skin test. This often involves pricking the skin with a needle or plastic prong that has a common allergen on it. Many at-home allergy tests work by obtaining a blood sample using a finger prick.
What can you give kids for an allergic reaction?
Your child’s allergy may become more severe each time he or she has a reaction. Talk to your doctor about giving your child antihistamines. If you can, give your child an over-the-counter antihistamine, such as loratadine (Claritin), to treat mild symptoms.
How long do allergic reactions last?
You usually don’t get a reaction right away. It can take anywhere from a few hours to 10 days. Typically, it takes from 12 hours to 3 days. Even with treatment, symptoms can last 2 to 4 weeks.
What can you take instead of Benadryl for allergic reaction?
These antihistamines include Allegra-D, Claritin-D, or Zyrtec-D. The combination of pseudoephedrine and antihistamine helps with nasal congestion in addition to allergy relief.
What is the best medicine for an allergic reaction?
Antihistamines. Your doctor may prescribe an antihistamine or recommend an over-the-counter antihistamine such as diphenhydramine (Benadryl) that can block immune system chemicals activated during an allergic reaction. Corticosteroids.
How does Benadryl help an allergic reaction?
This medication works by blocking a certain natural substance (histamine) that your body makes during an allergic reaction. Its drying effects on such symptoms as watery eyes and runny nose are caused by blocking another natural substance made by your body (acetylcholine).