now in most instances hives are not caused by contagious conditions for instance hives that are commonly caused by allergic reactions to foods or medications and allergies are not contagious stress related hives are not contagious either
Rice is bland, easily digested and also has a binding effect on the stool. However, the fiber in brown and wild varieties of rice may actually exacerbate diarrhea. The dietary objective during diarrhea is to eat foods that are bland and low in fiber, both of which are qualities of plain white rice.
Cooked eggs are also OK. Use low-fat milk, cheese, or yogurt. If you have very severe diarrhea, you may need to stop eating or drinking dairy products for a few days. Eat bread products made from refined, white flour. Pasta, white rice, and cereals such as cream of wheat, farina, oatmeal, and cornflakes are OK.