There are over 40 million people in the United States of America alone who suffer from allergies every year. An allergy is your immune system’s response to a substance that is not actually harmful or toxic but is perceived as such. The following article talks about are 11 different allergy types and their common symptoms you should know about.

• Food allergy
  The most common food allergies are from food items such as dairy, shellfish, and meat. The common symptoms of this type of allergy include shock, dizziness, trouble in swallowing food, and paleness. You can get severe cough too as a result of food allergy.
• Drug allergy
  Certain medications and types of drugs might be the reason for an allergic reaction. The symptoms of a drug allergy are wheezing, swelling of certain parts of your body, and hives. You may experience breathing problems too.
• Dust allergy
  Dust allergy is caused due to invisible dust mites. If you are allergic to dust, then you will have a runny nose and constant wheezing, and these tend to last all year long. Other symptoms include the inability to breathe, constant coughing, sneezing and red, watery eyes.
• Allergy rhinitis
  This type of allergy results in fatigue and constant sneezing. Apart from these symptoms, you may have a runny nose and an itchy sensation in your eyes and on the skin.
• Skin allergy
  A skin allergy can occur due to a variety of reasons. If you have blisters or rashes anywhere on your skin then you probably have skin allergies. Other symptoms of skin allergy include red and itchy skin that may be scaly and flake when itched.
• Sinus allergy
  Sinus allergy is often confused with other types of allergies. However, the symptoms of a sinus allergy include extreme pain in parts of your face; especially around the cheekbones, a runny nose, and a headache.
• Eye allergy
  Eye allergies are caused by a variety of triggers. Symptoms like redness in the eye or a burning sensation are indicative of an eye allergy. Itching sensation and water discharge from the eyes are the other symptoms that signify it is an eye allergy.
• Latex allergy
  Some people are allergic to latex and the symptoms for this type of allergy show up almost immediately. You may have difficulty in breathing, a stuffy nose, and eczema. Anaphylaxis is another symptom of this condition.
• Insect sting allergy
  There are five types of insects that can cause this type of allergy; hornets, wasps, honey bees, yellow jackets, and fire ants. You will experience flushing, itching, hives, redness of the area that has been stung, swelling of the area, and constant itching in this.
• Mold allergy
  A mold allergy can give you severe nasal congestion and cause difficulty in breathing. Other symptoms of mold allergy are wheezing, coughing, itchy throat and eyes.
• Pet allergy
  One can be allergic to cats and dogs; and their skin, saliva or urine in particular. You can get skin rashes, a stuffy nose, and itchy eyes when you are around them. You can also experience discomfort and pain in your face, along with a tightness in your chest.