Cats shed skin flakes and deposit them in their fur when they groom. This is dander. Allergy-causing proteins in the dander can provoke reactions including hives, rhinitis and asthma. Thorough removal of dander in the home will significantly reduce symptoms associated with a cat allergy.

An unexpected bee sting may cause serious allergic reactions in some people. Besides avoiding bees, there may be foods you should not include in your diet. These foods may cause the same allergic reaction as a bee sting, according to Michael Murray’s “The Encyclopedia of Healing Foods”.

A sore throat is discomfort, pain or swelling in the throat, according to MedlinePlus. A pollen allergy causes the hormone, histamine, to be released in the body, causing inflammation and irritation in the throat. Once the throat swells, it becomes increasingly sensitive and agitated.

After using razors, some people break out, where the skin on the face or legs becomes irritated after shaving. In most cases, the friction of the razor on your skin is causing the breakout. A few razor users might be allergic to the coating of nickel that can be found on the surface of most razors.

While most people can enjoy foods that contain gluten, such as pasta, cookies and bread, some cannot. If your face becomes flushed after you've eaten gluten, you may have an allergy to the protein.

Spring brings leaves to the oak trees and sends oak pollen into the air, causing millions of allergy sufferers to reach for the antihistamines and tissue. Oak trees normally pollinate in March, April and May, with more pollen appearing in the early morning hours.

Protein is an essential nutrient for maintaining a healthy body. Not only does it supply your body with energy, it also plays an important role in cell building and repair.

If you have an allergy to ragweed -- a type of flowering plant common throughout North America -- you have likely experienced such symptoms as a runny or stuffy nose, sneezing or sore throat.

Allergy symptoms can be particularly bothersome at night and may interrupt sleep. Indoor allergens, such as dust mites, mold and pet dander, can cause allergy symptoms primarily at night. As discussed at MayoClinic.

Foods high in histamine are those that undergo microbial fermentation, such as cheese and wine, or those that have been spoiled by microbial contamination. Upon ingestion, histamine is normally metabolized in the intestine and liver by enzymes called amine oxidases.

Beer, one of the world's oldest beverages, is produced by a brewing process that uses yeast to ferment sugars from a starch, such as barley or wheat, to create alcohol. Although it's rare, some people do experience allergic reactions after drinking beer. According to research published in 2012 in the journal "Allergy,"

A whey allergy can provoke severe symptoms, ranging from hives and eczema to diarrhea, vomiting and anaphylactic shock. Whey is a natural part of milk, so you have to avoid all milk products. Unfortunately, whey is also an extremely popular food additive.