The most effective way to prevent hives is to avoid contact with substances that trigger them, according to WebMD. Most outbreaks of hives are triggered by allergic reactions to specific foods or drugs.Continue Reading
Although hives are commonly caused by allergic reactions to food or medicine, allergens such as pollen and pet dander can also cause hives in some people, according to MedlinePlus. Extreme stress and some illnesses can also cause hives. As with food and medical allergies, avoiding exposure is the best way to avoid developing hives due to these causes.
Approximately 1 percent of the population suffers from chronic idiopathic urticaria, states WebMD. This condition is characterized by multiple outbreaks of hives that occur without apparent reason for more than six weeks. These outbreaks often appear and disappear within a period of 24 hours. As of 2015, the cause of chronic idiopathic urticaria is unknown, though it appears that the immune system is involved and the condition may be associated with the onset of other diseases such as cancer or thyroid issues. Avoiding alcohol, tight clothing, nonsteroidal anti-inflammatory drugs, and extreme cold or heat can sometimes help reduce the frequency of hive outbreaks in people suffering from chronic idiopathic urticaria.Learn more about Skin Conditions