medhex.com — From the text : There are several types of allergy such as fever, asthma, sneeze, vomit, itchiness (eczema), reddish spots on skin, etc. Materials that cause an allergy include cold air, powder from flowers, animal’s hair and dandruff, several foods/drinks like eggs, fish, milk, mollusks, ham, bird’s meat, flour, orange, butter, etc.