What Are the Most Common Types of Allergies?

Allergies occur when a specific substance is either inhaled, ingested or touched by someone whose body reacts in a hypersensitive way to it. Not everyone is susceptible to getting allergies. Generally, those whose families have a history of allergies or asthma are more likely to be prone. There are many potential triggers that can cause allergic reactions--some more serious than others. If you are unsure of what you are allergic to, it's a good idea to visit an allergist to get tested.

Outdoor Allergies

• Outdoor allergens tend to be one of the most common types of allergies. Although pollens and molds tend to top the charts of outside triggers, this can be a very broad statement. Different trees, grasses and molds produce different types of pollens and mold spores. Therefore, not everyone is allergic to the same types of pollens and molds. Most people's outdoor allergies tend to be seasonal, which means that the specific triggers flourish during a particular time of year. The most common reaction to outdoor allergies is allergic rhinitis or hay fever. These symptoms can include nasal congestion, watery eyes, itchy throat, sneezing and coughing. In severe cases, asthma may occur as well. There are many good over-the-counter and prescription medications that can help control as well as prevent symptoms.

Indoor Allergies

• Indoor allergies are considered allergies that tend to occur inside your home. Some of the biggest offenders are pet dander, dust mites and mold. Reactions to indoor allergies are very similar to those of outdoor allergies, except that asthma tends to be a more predominant symptom. Fast-acting and preventative inhalers are generally prescribed to help deal with asthmatic conditions.

Food Allergy

• A food allergy can not only be annoying, but also terrifying. Reactions to food can range from mild to severe and can be felt as quickly as a few minutes following ingestion. The most mild type of symptom is hives or a rash. In more severe situations, anaphylaxis can occur, where the throat swells and begins to close. Because this can be fatal, those who suffer from severe food allergies should always carry an an autoinject device, such as an Epipen, which can deliver life-saving medication. Nuts, shellfish, wheat, milk and soy are among the most common foods that people are allergic to.

Latex Allergy

• A latex allergy is an allergic response to the sap protein of a rubber tree. Although many people associate latex with gloves, it can be found in many other items. Some of the more common places to find latex are balloons, pacifiers, diaphragms and condoms. This allergy's reactions are similar to that of a food allergy. A mild reaction can involve a rash, whereas a severe reaction can include anaphylaxis.

Drug Allergy

• Having a drug allergy can be very serious. Although a rash tends to be among the more common mild symptoms, anaphylaxis is a potential response in severe reactions. Some of the more common drugs that people are allergic to include sulfa, aspirin and penicillin. Be sure to always let your doctor and pharmacist know what drug allergies you may have before taking any new medications.