March 15, 2023

Important Things You Need to Know About Allergy Symptoms

Allergies are an incredibly common, yet annoying, condition affecting millions worldwide. 

Allergies can range from mild to severe, and they can cause a wide range of unpleasant symptoms. While there is no cure for allergies, a few treatments and lifestyle changes can help reduce the symptoms and make life more manageable.

In today's article, let's explore allergy symptoms. Here's what you need to know:

Allergy Symptoms

Allergies are a common phenomenon experienced by many people. It is an immune system response to a foreign substance, such as pollen, dust, or pet dander. Allergies can range from mild to severe and can manifest in various ways.

Although the type of allergen and the severity of the reaction may vary, many of the symptoms of allergies are the same. The most common symptoms of allergies include sneezing, itching, watery eyes, coughing, and a runny nose. These symptoms can be accompanied by other signs such as hives, swelling, and difficulty breathing.

Look at the different types of allergies to see how similar the symptoms are across the board.

Types of Allergies

Seasonal Allergies

Seasonal allergies, also commonly known as hay fever, are caused by environmental changes. They are typically associated with specific times of the year, such as spring, summer, and fall. Seasonal allergies are caused by particles in the air, such as pollen, which trigger an allergic reaction.

When pollen is inhaled, the body releases histamines, which cause inflammation and irritation in the eyes, nose, throat, and lungs. 

To prevent and manage seasonal allergies, it is essential to limit exposure to allergens. Keep windows closed and use air conditioning to filter indoor air. Avoid outdoor activities when pollen counts are high, and shower or change clothes after being outdoors. Taking over-the-counter allergy medications, such as antihistamines, is also helpful in reducing symptoms.


  • Sneezing
  • Runny or stuffy nose
  • Itchy or watery eyes
  • Itchy throat
  • Coughing
  • Post-nasal drip
  • Fatigue
  • Headache

Food Allergies

Food allergies can develop at any age and can be difficult to diagnose. The only way to diagnose a food allergy is through a series of tests, such as skin prick tests, blood tests, and food challenges, which involve gradually introducing the food to the patient. 

If a food allergy is suspected, individuals should work with their doctor to develop a plan to manage the allergy. This may include avoiding food, carrying an epinephrine auto-injector, and being prepared for anaphylaxis.

These allergies can occur when the body’s immune system mistakenly identifies a harmless food as an invader and attempts to fight it off, triggering an allergic reaction. Allergic reactions can range from mild to severe and can be life-threatening. 

While food can cause an allergic reaction, eight foods account for 90 percent of all food allergic reactions: milk, eggs, peanuts, tree nuts, soy, wheat, fish, and shellfish.


  • Itching
  • Swelling in the mouth, throat, lips, tongue, or face
  • Hives or a rash
  • Nausea, vomiting, or diarrhea
  • Runny nose, itchy eyes, or sneezing
  • Shortness of breath or wheezing
  • Dizziness or lightheadedness
  • Anaphylaxis

Drug Allergies

When a person has a drug allergy, their body reacts to the drug as if it were a dangerous foreign invader. The immune system then produces immunoglobulin E (IgE) antibodies to fight off the drug. IgE antibodies are responsible for the release of histamine, which causes the symptoms associated with an allergic reaction.

Most drug allergies develop within an hour of taking the medication but can take up to two weeks to manifest. The most common drugs that cause allergies are antibiotics, such as penicillin, sulfa drugs, and cephalosporins. Other drugs that may cause an allergic reaction include non-steroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen, and chemotherapeutic drugs used to treat cancer.


  • Skin rash or hives 
  • Swelling 
  • Wheezing or difficulty breathing 
  • Anaphylaxis 
  • Nausea and vomiting 
  • Diarrhea
  • Abdominal pain 
  • Fever

Insect Allergies

Insect allergies are becoming increasingly common these days; with people increasingly exposed to different types of insects, it is not uncommon to suffer an allergic reaction in response to an insect bite. 

Stinging insects, such as bees and wasps, are the most common insect allergy type. People who are allergic to these insects will experience a reaction when they are stung, which may include redness, swelling, and itching of the skin. 

In more severe cases, people may experience difficulty breathing and swelling of the throat or tongue, which can be life-threatening.

Insect bites can also cause an allergic reaction. Mosquitoes, fleas, and ticks are common culprits concerning insect bites and allergic reactions. These bites can cause redness, itching, and swelling of the area around the bite.


  • Itching and swelling of the skin
  • Redness
  • Hives
  • Difficulty breathing
  • Swelling of the throat or tongue
  • Anaphylaxis 
  • Runny nose
  • Watery eyes
  • Coughing
  • Wheezing

Skin Allergies

Skin Allergies can be a real nuisance, causing itchiness, redness, bumps, and sometimes even blisters. They can range from mild to severe and can be caused by various things. Allergens such as pollen, dust mites, pet dander, and certain chemicals can cause skin allergies. In some instances, allergies can be seasonal; in others, they can be year-round. 

There are several types of skin allergies, including contact dermatitis, atopic dermatitis, drug allergies, and food allergies. Contact dermatitis is the most common type of skin allergy, occurring when the skin comes into contact with a chemical, such as a detergent or perfume, or an irritant, like a plant or pollen. 


  • Redness
  • Itching
  • Burning
  • Hives
  • Swelling
  • Dry Skin
  • Rash
  • Blisters or welts
  • Flushing

Pet Allergies

Pet allergies are a common problem affecting people of all ages and can be caused by various animals, including cats, dogs, rodents, birds, reptiles, and even horses. While many people consider pet allergies a minor nuisance, they can be a serious health concern that can cause various symptoms.

The most common cause of pet allergies is pet dander, a combination of pet skin flakes, saliva, and other bodily fluids. Pet dander can become airborne and inhaled by humans, triggering an allergic response. Pet dander can also be transferred from one pet to another, so you can still suffer from pet allergies even if you don’t own any pets.


  • Sneezing
  • Coughing
  • Itchy, watery eyes
  • Nasal congestion
  • Runny nose
  • Skin rash or hives
  • Wheezing
  • Shortness of breath
  • Chest tightness

The Bottom Line

It is important to note that not all allergies are the same. For example, some allergies may cause more severe reactions than others. Allergies to foods such as peanuts or shellfish can cause severe reactions, such as anaphylaxis. This is a life-threatening reaction that requires immediate medical attention.

In addition, some people may experience allergic reactions to certain medications or insect stings. These reactions can be mild or severe. For example, some people may experience hives or swelling of the face, lips, or throat after taking a certain medication.

It is essential to be aware of the symptoms of allergies and to seek medical help if they become severe. Knowing your allergies' triggers and avoiding them when possible is also essential. Some people may benefit from allergy shots or medications.

If you’re looking for allergy immunotherapy services, you’re in the right place. At Curex, we aim to help stop allergies at the source. We offer a convenient alternative to time-consuming and inconvenient allergy shots. Our at-home sublingual immunotherapy is easy to administer and may be done in the comfort of your home. 

Contact us today to learn more and get started! You can also take our free quiz to find out whether immunotherapy suits you. 

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