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This article was co-written by Janice Litza, MD. Dr. Litza is a licensed family physician practicing in Wisconsin. She is a practicing physician and taught as a clinical professor for 13 years after receiving her MD from the University of Wisconsin-Madison School of Medicine and Public Health in 1998.
There are 9 references cited in this article that you can view at the bottom of the page.
This article has been viewed 15,981 times.
Allergic swelling, also known as angioedema, is a common consequence of exposure to substances that cause allergic reactions. Swelling usually occurs around the eyes, lips, hands, feet, and/or throat. [1] X Trusted Source MedlinePlus Go to Source It’s annoying and scary to have swelling, but it goes away! If the swelling doesn’t interfere with your ability to breathe, you can treat it at home. But if the condition persists, gets worse, or makes breathing difficult, seek medical attention. Fortunately, the swelling caused by allergies is preventable.
Steps
Treat swelling at home
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Take an antihistamine. Medicines will help reduce the body’s response to the allergen, which in turn can reduce swelling. You can buy an over-the-counter antihistamine, but your doctor can also prescribe the most appropriate one for your condition. [2] X Trusted Source MedlinePlus Go to Source
- Some antihistamines cause drowsiness, can be quick-acting, and are taken in varying doses. When taken during the day, choose one that doesn’t cause drowsiness, such as cetirizine (Zyrtec), loratadine (Claritin), and fexofenadine (Allegra) which do not cause drowsiness but also help relieve allergy symptoms in within 24 hours.
- Be sure to follow the instructions on the medicine box.
- Do not take an antihistamine for more than a week without consulting your doctor.
- Talk to your doctor before taking an antihistamine.
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Apply cold compresses to the swollen area for up to 20 minutes at a time. Cold compresses – such as ice packs – will help reduce the body’s inflammatory response. [3] X Research Source This will help reduce swelling and pain. [4] X Trusted Source MedlinePlus Go to Source
- Do not apply ice to the skin without wrapping a cloth around the ice to avoid injuring the skin.
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Stop taking any medications, supplements, or herbs not prescribed by your doctor. These medicines can cause allergic reactions in some people. Even common over-the-counter medications like ibuprofen can cause some people to develop an allergic reaction. [5] X Trusted Source MedlinePlus Go to Source
- Ask your doctor before you start using these medications again.
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Use your inhaler (if available) when you have a sore throat. The inhaler will help open the airways. However, if you have trouble breathing, you need to see a doctor immediately.
- Call 911 right away if you have trouble breathing.
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Use an Epipen in an emergency. The active ingredient in the injector is epinephrine, a form of adrenaline that works to provide quick relief from the symptoms of an allergic reaction. [6] X Trusted Source Mayo Clinic Go to Source
- Go to the doctor immediately after the injection.
- Go to the emergency room if you have not been prescribed an Epipen by your doctor; there they can give you an injection.
Seek medical attention
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See your doctor if swelling doesn’t go away or is severe. Swelling but not shortness of breath will respond to home remedies. If the condition does not improve after a few hours or begins to get worse, you should seek medical help. Your doctor may prescribe stronger medicine for you, such as corticosteroids.
- You should also see a doctor if you have never had swelling before.
- Call 911 if you have trouble breathing, make unusual sounds while breathing, or feel faint. [7] X Trusted Source MedlinePlus Go to Source
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Ask your doctor about oral corticosteroids. This drug works to reduce inflammation in the body, which in turn also helps reduce swelling. This medication is often used after an antihistamine has been taken but has not been effective in reducing swelling. [8] X Trusted Source Mayo Clinic Go to Source
- For example, you may be prescribed prednisone by your doctor.
- Corticosteroids can cause side effects, including water retention, which can cause swelling, high blood pressure, weight gain, glaucoma, mood swings, and behavioral problems. vi and memory. [9] X Trusted Source Mayo Clinic Go to Source
- In cases of severe reactions, your doctor may inject corticosteroids through a vein. [10] X Research Source
- Follow all instructions given by your doctor when taking the medicine.
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Allergy testing to look for allergens if necessary. Your doctor may order allergy testing. [11] X Trusted Source MedlinePlus Go to Source For allergy testing, you’ll see an allergist. You will have a small amount of different allergens put into your skin by a tester, who will then monitor your reaction to each to determine if you are allergic.
- An allergist will evaluate the test results. Based on this information, they can recommend appropriate treatment options for you, such as avoiding allergens and possibly allergy shots. [12] X Trusted Source Mayo Clinic Go to Source
- You may not need frequent testing or treatment if the allergic reaction occurs only once, especially if the symptoms are quite mild. However, you should be tested for severe or repeated reactions that disrupt daily life.
Prevent swelling caused by allergies
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Avoid allergens. Allergens are things that you are allergic to, such as foods, substances, or plants. The best way to prevent the swelling that accompanies an allergic reaction is to stay away from these. [13] X Trusted Source National Health Service (UK) Go to Source Here are a few ways to do it:
- Check the ingredients of the food that you plan to eat.
- Ask what ingredients are in foods and drinks.
- Do not take medications, supplements or herbs without talking to your doctor.
- Try to keep your home clean and allergen-free. For example, you need to prevent dust by using a duster that is capable of capturing dust particles.
- Use a HEPA air filter.
- Do not go outdoors during the hours when pollen is most dispersed. Or you can use a mask when going out.
- Do not come into contact with animals that have fur that can cause you to have an allergic reaction.
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Take medicines. Your doctor may suggest that you take an antihistamine daily. You can take 24-hour non-drowsy medicines such as cetirizine (Zyrtec) or loratadine (Claritin). In some cases, your doctor may prescribe other medications, such as inhalers or corticosteroids. You need to take the medicine as prescribed by your doctor. [14] X Research Source
- If you don’t take medicine, your body will be more sensitive to allergens.
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Avoid things that make swelling worse. These factors include high body temperature, eating spicy foods or drinking alcohol. While not a direct cause of allergy swelling, these factors can make swelling worse, or make the body more susceptible to swelling.
- Ibuprofen and ACE (angiotensin converting enzyme inhibitors) can also make swelling worse. If your doctor has prescribed one of these drugs, talk to your doctor before stopping them, as he or she may decide to use them because the benefits of the medicine outweigh the risks of swelling. [15] X Research Source
Advice
- Allergic swelling usually lasts 1-3 days, but can take longer if you’ve just eaten something that your body needs to clear out. [16] X Research Source
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This article was co-written by Janice Litza, MD. Dr. Litza is a licensed family physician practicing in Wisconsin. She is a practicing physician and taught as a clinical professor for 13 years after receiving her MD from the University of Wisconsin-Madison School of Medicine and Public Health in 1998.
There are 9 references cited in this article that you can view at the bottom of the page.
This article has been viewed 15,981 times.
Allergic swelling, also known as angioedema, is a common consequence of exposure to substances that cause allergic reactions. Swelling usually occurs around the eyes, lips, hands, feet, and/or throat. [1] X Trusted Source MedlinePlus Go to Source It’s annoying and scary to have swelling, but it goes away! If the swelling doesn’t interfere with your ability to breathe, you can treat it at home. But if the condition persists, gets worse, or makes breathing difficult, seek medical attention. Fortunately, the swelling caused by allergies is preventable.
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