Trending Allergies Topics
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11 Facts About Sneezes and Sneezing
Sneezing is a common experience we all share. It is your body's method of removing anything that may be irritating the nose....
The allergic cascade refers to allergic reactions that happen in the body in response to allergens. A variety of immune cells and...
An allergy refers to a misguided reaction by our immune system in response to bodily contact with certain foreign substances. ...
Allergy Treatment Begins at Home
Avoiding allergy triggers at home is one of the best ways to prevent allergy symptoms. Controlling temperature, humidity, and...
Anaphylaxis is a serious allergic reaction that affects a number of different areas of the body at one time and can be fatal....
Are Food Allergies Passed Down Genetically?
A food allergy is a condition that causes your immune system to fight against a particular part of food — which is called an...
Bee and Wasp Sting
Bees, wasps, and fire ants are related insects that belong to the Hymenoptera order. There are thousands of species of wasps...
What Are the Best Treatments for Allergic Conjunctivitis?
Learn what medical treatments can ease allergic conjunctivitis symptoms and help speed up your eye allergy recovery....
Can Eating Eggs Make You Nauseous?
Why do eggs make you nauseous? Learn what causes nausea after eating eggs and what to do about it....
Can Fall Allergies Cause Sinus Headaches?
Fall allergies can cause symptoms such as sneezing, congestion, and sinus headache. Learn more about causes, treatment, and...
Can Hot Weather Cause Sinus Problems?
Sinusitis is a condition where you experience irritation and swelling of your sinuses. Allergies and sinus problems are common...
Can You Eat Avocado if You Have a Nut Allergy?
Since avocado is classified as a fruit and not a tree nut, you should be able to eat avocados even if you have a nut allergy....
Can You Suddenly Become Allergic to Cats?
Yes, it is possible to suddenly become allergic to cats, since various allergies can develop at any point in your life, such as a...
Can You Suddenly Become Lactose Intolerant?
People may become lactose intolerant at any point of time in their lives....
What Causes Chronic Sinusitis?
Chronic sinusitis occurs when the tissue lining the facial sinuses becomes inflamed for at least three months. Chronic sinusitis...
Chronic rhinitis (non-allergic rhinitis) causes runny nose, sneezing, nasal itching, and congestion. Post-nasal drip is the...
Fragrances and preservatives in cosmetics may cause allergic reactions in some people. Symptoms include redness, itching, and...
What Is the Difference Between Allergy and Hay Fever?
Hay fever is a type of allergy that occurs in response to specific allergens and typically lasts for months. Learn more about...
Do Allergy Desensitization Shots Work?
Allergies happen when your immune system overreacts to harmless substances called allergens. Allergy desensitization shots make...
How Do You Know If You Are Allergic to Mosquito Bites?
Mosquito bite allergies can cause issues if untreated. Learn the signs of a mosquito bite allergy, what causes it, and what you...
Drug or medication allergies are caused when the immune system mistakenly creates an immune response to a medication. Symptoms of...
Eye allergy (or allergic eye disease) are typically associated with hay fever and atopic dermatitis. Medications and cosmetics...
The most common food allergies are to eggs, nuts, milk, peanuts, fish, shellfish, strawberries and tomatoes. Symptoms and signs...
Hay fever (allergic rhinitis) is an irritation of the nose caused by pollen and is associated with the following allergic...
How Can I Help My Child With a Peanut Allergy?
Since there is no cure for peanut allergies, prevention and keeping an epinephrine injector (EpiPen) on hand is key to helping...
How Can You Tell if You Have a Sinus Infection?
Sinus infection is a common issue that affects many people. Learn the signs of sinus infection, what causes sinus infection, how...
How Common Is It to Be Allergic to Nickel?
Nickel allergies are common in 10 percent of the population in the United States and 18 percent of people in North America,...
How Do I Know If I Have Histamine Intolerance?
The symptoms of histamine intolerance often resemble seasonal or food allergies, which means proper diagnosis requires an...
How Do You Calm Down an Allergy Attack?
Here are thirteen tips to calm an allergy attack and put an end to constant sneezing, itching, and congestion....
How Do You Get Tested for Food Allergies?
If you develop symptoms of a food allergy, your doctor will have you undergo a skin test or blood test to determine which foods...
How Do You Know if You Are Allergic to Pollen?
Pollen is a powdery yellow grain that fertilizes other plants of the same species. The only way to know for sure if a person has...
How Long Does an Allergic Reaction Last?
Allergic reactions may last for varying lengths of time. They may take a few hours to a few days to disappear. If the exposure to...
How Much Does an EpiPen Cost?
EpiPen typically comes in a pack of two and costs roughly between $650-$700. Generic versions may cost between $150-$400 if you...
How Do I Know if I Am Lactose Intolerant or Allergic to Milk?
Lactose intolerance is caused by a deficiency of an enzyme (lactase) that helps digest the sugar (lactose) in milk. Milk allergy,...
Indoor allergens are substances that can cause an allergic reaction in some people. Common sources of indoor allergens include...
Insect Sting Allergies
The majority of stinging insects in the United States are from bees, yellow jackets, hornets, wasps, and fire ants. The severity...
Is It Possible to Be Allergic to Cinnamon?
Cinnamon is a popular spice in many dishes. Cinnamon gives dishes a distinct flavor. Only a small percent of people experience...
Is the Black Mold in My Shower Toxic?
Mold in your shower can cause annoying symptoms and health problems in people who are sensitive to it. Learn the signs of mold...
Latex allergy is a condition where the body reacts to latex, a natural product derived from the rubber tree. The reaction can...
Mold exposure may cause symptoms in people who are sensitive to mold. Symptoms of mold allergy include sneezing, runny nose,...
10 Best Natural Home Remedies for Sinus Infections (Sinusitis)
What is a sinus infection (sinusitis)? Learn whether you need antibiotics and what other treatments and home remedies can help to...
Nosebleeds are common in dry climates during winter months, and in hot dry climates with low humidity. People taking blood...
Peanut allergies cause signs and symptoms that include hives, itching, redness, and a rash. Severe reactions may cause decreased...
Should I Exercise Outside if I Have Allergies?
An allergy is a condition in which the immune system overresponds to a foreign substance. With the right treatment and...
Sinus headache is caused by a sinus infection or inflammation of the sinus cavities. Symptoms of a sinus headache include pain,...
Sinus Infection vs. Allergies
Both sinus infections and allergies (allergic rhinitis) cause symptoms such as runny or stuffy nose and fatigue. Sinus infection...
Sinus infection (sinusitis) is caused by allergies, infection, and chemicals or other irritants of sinuses. Signs and symptoms...
What Is the Fastest Way to Get Rid of a Sinus Infection?
Learn what medical treatments can help ease your sinus infection symptoms and speed up your recovery....
What Are Postnasal Drip Medications?
Postnasal drips refer to the feeling of mucus collecting or dripping inside the throat from the back of your nose (postnasally)....
What Are Symptoms of Mast Cell Activation Syndrome?
Mast cell activation syndrome (MCAS) can cause allergy symptoms. Learn about causes, diagnosis, and treatment....
What Are the 12 Food Allergens?
According to studies, the twelve most common food allergens include milk, peanuts, eggs, shellfish, soy, tree nuts, wheat, fish,...
What Are the 20 Most Allergic Foods?
Common food allergies include milk, eggs, peanuts, tree nuts, sesame, soy, fish, shellfish, and wheat. Here are 20 of the top...
What Are the 4 Most Common Allergens?
The four most common types of allergens include food and medications, pollen, pet dander, and latex....
What Are the 5 Main Symptoms of Sinusitis?
Common symptoms of sinusitis include runny or stuffy nose, postnasal drip, headache, facial pain and swelling, and reduced sense...
What Are the 4 Types of Allergic Reactions?
Allergists recognize four types of allergic reactions: Type I or anaphylactic reactions, type II or cytotoxic reactions, type III...
What Are the Main Causes of Urticaria (Hives)?
Hives are mostly an allergic reaction, appearing quickly and disappearing as fast. Learn what causes them, when to see a doctor...
What Are the Symptoms of a Milk Allergy in Adults?
Milk allergy reactions may cause immediate or delayed symptoms. Learn to spot the signs and what foods to avoid if you have a...
What Are the Symptoms of Ragweed Allergy?
The common symptoms of ragweed allergy are sneezing, runny nose, itchy, watery red eyes, headache, nasal congestion, eye...
What Are the Two Crucial Signs of Anaphylaxis?
Anaphylaxis is defined as a group of symptoms exhibited by the body in reaction to a particular substance. Anaphylaxis is a...
What Are Typical Allergy Symptoms?
Allergy symptoms differ depending on the type of allergy and body part involved. For example, food allergies may cause different...
What Are Typical Seasonal Allergy Symptoms?
Typical seasonal allergy symptoms include a stuffy or runny nose, sneezing, coughing, watery eyes, congestion, and a sore throat....
What Can Black Mold Do to You Mentally?
Black mold is the common name for Stachybotrys chartarum. The mental effects of black mold include irritability, fatigue,...
What Causes Allergy Flare-ups?
During certain seasons, allergies can make you miserable. Learn what causes allergy flare-ups during spring and summer....
What Causes Angioedema?
What is angioedema? Angioedema is a form of swelling that occurs under the skin. Learn what causes angioedema, its signs and...
What Causes Nose Allergies?
Nose allergies can be caused by irritants such as pollen, animal dander, and household dust. Learn about symptoms, treatment, and...
What Causes Sudden Allergies in Adults?
Can you develop allergies as an adult? Learn about what causes sudden adult-onset allergies and how you can recognize the...
What Conditions Does an ENT Treat?
An ENT doctor, also called an otolaryngologist, specializes in the care and treatment of a wide range of conditions that affect...
What Does an Allergic Reaction Bump Look Like?
Hives due to allergic reactions appear as reddish or raised bumps or welts. Check out the center below for more medical...
What Does Black Mold Do To You?
Black mold is one of many molds that can cause allergic symptoms like sneezing, coughing, wheezing, and skin rashes. Learn the...
What Foods Cause Oral Allergy Syndrome?
Oral allergy syndrome, also called pollen food allergy syndrome or PFAS, is a type of food allergy caused by certain allergens...
What Happens if You Get Bitten by a Centipede?
Typically, centipede bites result in severe pain, swelling, and redness at the puncture site, however, these symptoms usually...
What Is Causing My Hives?
Hives, medically known as urticaria, are common rashes that anyone can get at any point in their lives. They can happen only once...
Mucus is a standard substance produced by lining tissues in the body. Excess mucus or yellow, green, brown, or bloody mucus may...
What Is the Best Treatment for Urticaria?
Learn what medical treatments can help ease your urticaria symptoms and speed up your recovery....
What Is the Fastest Way to Fix Seasonal Allergies?
Seasonal allergies are common and tend to ramp up during the spring and summer. Learn about how to get rid of seasonal allergies...
What Is the Most Common Tree Nut Allergy?
The most common nut allergies are cashew, walnut, hazelnut and pistachio. In the U.S. the most common nut allergy is cashew,...
What Nuts Are the Worst for Allergies?
A nut allergy develops when the body's immune system becomes oversensitive to a particular protein in a nut. Nuts that are the...
What Should I Do If I Get Stung by a Scorpion?
Most healthy adults don’t need treatment for a scorpion sting except for pain relief. However, here are some home remedies for...
Why Are Allergies So Bad Right Now 2021?
Scientists believe that allergies are getting worse because of climate change....
Why Won’t My Allergy Symptoms Go Away?
Allergies happen when your body's immune system reacts to certain substances as though they are harmful. Allergy symptoms may not...
Multimedia: Slideshows, Images & Quizzes
Common Allergies: Symptoms and Signs
What are allergies? Pollen, food, perfumes, and many more things can provoke allergy symptoms. Allergies are an overreaction of...
12 Natural Ways to Defeat Allergies
Allergies making you miserable? WebMD shows you a dozen natural allergy treatments, from fresh fruit and vitamin D to acupuncture...
Picture of Allergic Contact Dermatitis (Arm)
Allergic Contact Dermatitis on Arm. This example of allergic contact dermatitis is a reaction to a henna tattoo on the arm, after...
Picture of Allergic Contact Dermatitis (Tattoo)
Allergic contact dermatitis. This is reaction by your skin after coming into contact to some substance that you are allergic to....
Preparing for Severe Allergies at School
Help your child manage and prepare for severe allergies at school. Protect your child from food allergies, insect stings, and...
Allergies Quiz: Symptoms & Home Remedies
What are the causes of allergies? This online quiz challenges your knowledge of common food and household allergens,...
Allergies: Common Plants and Trees That Trigger Allergies
Find out more about which plants and trees might be producing pollen that is causing your itchy eyes and a runny nose....
Bad Bugs: Identify Insects and Bug Bites
What do bug bites look like? How do you treat bug bites? Why do bug bites burn? See spider bite pictures and learn how to...
Best and Worst Foods for Lung Health
Just like the rest of your body, your lungs need good nutrition. Find out what types of foods are lung-friendly, and which aren’t....
The Most Common Food Allergies for Kids and Adults
What common food allergens cause the most problems for adults and children? See this list of common food allergies and learn to...
Itchy Eyes? Top 13 Ways to Tame Eye Allergies
Do you need eye drops? Eye allergies, or allergic conjunctivitis, cause itchy eyes and other allergic symptoms. Avoiding...
Home Allergy Quiz: Is Your Home Allergy-Proof?
Take this home allergy quiz and test your knowledge on allergens, dust mites, pollens and more to see how allergy-proof your home...
Home Health: Meet the Bugs That Live In Your House
Get to know your bug bunkmates: WebMD introduces you to the critters that share your home with you. From ants, roaches, and...
Human Body Quiz: Human Body Systems & Organs
The Human Body Quiz will help you learn about your little-known body parts! Take this quiz to learn more about your body and what...
Dangerous Allergies: Anaphylaxis and Life-Threatening Allergy Triggers
Common allergy triggers may provoke anaphylaxis. Hives, tongue swelling, face swelling, rashes, low blood pressure, rapid and...
Allergies: 10 Ways to Reduce Mold Allergies
WebMD shows you 10 ways to fight the fungus and reduce mold allergy symptoms from dust masks to bottles of bleach....
Nasal Allergy Attack: Causes, Triggers, Treatments
Nasal allergies are a common problem that affects millions of people. An allergist can recommend the best allergy nasal sprays...
Pictures of Allergy Relief Tips at Home: AC Filters, Electronic Air Cleaners, and More
Learn how a combination of medication, preventing allergens, and allergy relief products can reduce allergy symptoms and help you...
Nasal Irrigation: Natural Relief for Cold & Allergy Symptoms
Clogged sinuses and congestion bothering you? Nasal irrigation can relieve sinus symptoms associated with colds and allergies....
Picture of Nickel Contact Dermatitis from Necklace
Nickel contact dermatitis. This itchy rash is a common allergic reaction to your skin coming into contact with nickel from...
Picture of Nickel Contact Dermatitis
Nickel contact dermatitis. This itchy rash is a common allergic reaction to your skin coming into contact with nickel from...
10 Signs Your Allergies Are Out of Control
Learn 10 signs your allergies are out of control. See these surprising allergy symptoms and find out how to get relief for...
When Animal (Allergies) Attack: Pet Allergy Symptoms, Treatment
How do you control and relieve pet allergies? How do you prevent pet allergies? Learn dog and cat allergy symptoms, the cause of...
Picture of Phototoxic Dermatitides
Phototoxic Dermatitides appears as photosensitivity reaction after a person takes certain medications or applies skin care...
Allergies: Myths and Facts About Seasonal Allergies
Seasonal allergy symptoms are hard. Do deserts prevent allergies? What can allergies do to your body? What is an allergen? Adult...
Allergies: Signs of a Severe Allergic Reaction
Find out from WebMD's slideshow how to tell if you or someone near you is having a severe allergic reaction....
Sinus Infection: Sinusitis Dos and Don'ts
Is it OK to fly when you've got sinusitis? How about going to work? WebMD helps you decide what's right and wrong when you're all...
Picture of Sinuses
The sinuses are an air-filled cavity in a dense portion of a skull bone. See a picture of the Sinuses and learn more about the...
STD Quiz: Symptoms, Testing & List
There are more sexually transmitted diseases than just the ones you've heard of. Find out what you've been missing with the STD...
Top Items for Your Allergy Relief Kit
Be prepared for your next allergy attack no matter where you are. WebMD shows you what you need in your allergy kit to help...
10 Worst Cities for Spring Allergies
See pictures of the top 10 "spring allergy capitals", according to the Asthma and Allergy Foundation of America (AAFA). From...
Treatment & Diagnosis
Medications & Supplements
- Adrenaclick (epinephrine)
- Nasal Decongestants
- Antihistamine Shots (Injections)
- Antihistamines (Oral)
- Arcalyst (rilonacept)
- azelastine (Astelin, Astepro)
- Dymista (azelastine hydrochloride and fluticasone propionate)
- beclomethasone dipropionate inhaler (Beconase AQ, QNASL)
- beclomethasone dipropionate nasal inhaler-spray
- Beconase AQ (beclomethasone) Side Effects, Warnings, and Drug Interactions
- budesonide nasal inhaler (Rhinocort Allergy, Rhinocort Aqua)
- cetirizine (Zyrtec, Zyrtec Allergy, Zyrtec Hives)
- cyproheptadine (Periactin)
- decongestant spray - nasal
- desloratadine (Clarinex, Clarinex Reditabs)
- EpiPen (epinephrine auto-injector)
- epinephrine injection (Auvi-Q)
- fexofenadine (Allegra, Mucinex Allergy)
- fexofenadine and pseudoephedrine (Allegra-D)
- Firdapse (amifampridine)
- flunisolide nasal spray, Aerospan (Nasalide, Aerobid, Aerobid HFA are discontinued)
- fluticasone furoate nasal spray (Veramyst)
- house dust mite immunotherapy
- hypotonic saline intranasal
- loratadine, Claritin, Claritin RediTabs, Alavert, Claritin Hives Relief, Children's Claritin
- loratadine and pseudoephedrine (Alavert Allergy & Sinus, Claritin-D, Claritin-D 24 hour)
- mometasone furoate
- oxymetazoline intranasal
- Polmon (dexchlorpheniramine maleate)
- Quzyttir (cetirizine)
- Side Effects of Rhinocort Aqua (budesonide)
- Side Effects of Zyrtec (cetirizine)
- Side Effects of Nasalcrom (cromolyn sodium)
- Side Effects of Clarinex (desloratadine)
- Side Effects of EpiPen (auto-injectable epinephrine)
- Side Effects of Auvi-Q (auto-injectable epinephrine)
- Side Effects of Allegra (fexofenadine)
- Side Effects of Allegra D (fexofenadine and pseudoephedrine)
- Side Effects of Flonase (fluticasone)
- Side Effects of Veramyst (fluticasone)
- Side Effects of Cortef (hydrocortisone)
- Side Effects of Claritin (loratadine)
- Side Effects of Claritin D (loratadine/pseudoephedrine)
- Side Effects of Nasacort AQ (triamcinolone acetonide)
- Side Effects of Nasonex (mometasone furoate)
- Side Effects of Periactin (cyproheptadine)
- Side Effects of Phenergan (promethazine)
- Side Effects of Rayos (prednisone)
- Side Effects of Xyzal (levocetirizine dihydrochloride)
- sodium chloride intranasal
- Symjepi (epinephrine)
- terfenadine, Seldane
- triamcinolone acetonide nasal inhaler (Nasacort)
- Side Effects of Vistaril (hydroxyzine)
- Zetonna (ciclesonide)
Prevention & Wellness
- Can Stress and Anxiety Cause Allergies?
- How Does Honey Help With Allergies?
- Is Gluten an Allergen?
- Is There a Benadryl for Infants?
- Salicylate Sensitivity Causes, Symptoms, and Foods to Avoid
- Super Bowl Party Recipes (Healthy and Easy)
- The 8 Most Common Food Allergies
- What Are Examples of Shellfish?
- What Can You Do for Severe Allergies?
- What Does Sun Allergy Rash Look Like?
- What Foods Are Bad for Allergies?
- What Foods Are Tested in Allergy Testing?
- What Helps Relieve Allergies Fast?
- What Months Are Allergy Seasons?
- Which Tree Nuts Cause Most Allergies?
- Why Do My Allergies Get Worse at Night?