Chocolate allergy symptoms include abdominal upset, stuffy nose, watery eyes, migraines, hives and lightheadedness, according to HowStuffWorks. Symptoms can also manifest as swelling in the mouth, vomiting, diarrhea, sne... More » Health Conditions & Diseases Allergies

Alternative therapies such as acupuncture can sometimes help alleviate the effects off nasal allergies, according to WebMD. Homeopathic remedies can sometimes help desensitize individuals to plants that cause allergies. ... More » Health Conditions & Diseases Allergies

Natural remedies for curing hives from allergies include avoiding triggers such as foods, medications, insect bites and pollen; bathing with cold water; and applying cold compresses to the affected area, according to May... More »

Also referred to as Red 40 or food coloring #2, red dye is a food coloring and preservative that may cause itchiness or hives, gastrointestinal difficulties, respiratory problems and anaphylactic sock in sensitive indivi... More »

According to the Asthma and Allergy Foundation of America, the symptoms of ragweed allergy may include stuffy or runny nose, sneezing, eye irritation, puffy eyes, and itchiness in the nose and throat. People who have sev... More » Health Conditions & Diseases Allergies

The most common symptoms of histamine intolerance include flushing, diarrhea, migraines, hives and eczema, according to More serious symptoms include anaphylactic shock, asthma attacks and exacerbation of cond... More » Health Conditions & Diseases Allergies

Excess histamine in the body may cause symptoms including flushing, hives or wheezing; itching or burning of skin, eyes or mucous membranes; runny eyes or nose; and stomach cramps or diarrhea, according to Allergy & Immu... More »