In most cases, diarrhea signs and symptoms usually last a couple of days. But sometimes diarrhea can last for weeks. In these situations, diarrhea can be a sign of a serious disorder, such as inflammatory bowel disease, or a less serious condition, such as irritable bowel syndrome. Drink plenty of clear liquids, including water, broths and juices, every day. Avoid caffeine and alcohol. Add semisolid and low-fiber foods gradually as your bowel movements return to normal. Try soda crackers, toast, eggs, rice or chicken. Avoid certain foods such as dairy products, fatty foods, high-fiber foods or highly seasoned foods for a few days. Consider probiotics. Probiotics contain strains of living bacteria that are similar to the healthy bacteria normally found in your digestive system. Probiotics may boost the number of healthy bacteria present to fight germs in your digestive tract. Probiotic supplements are available. Beneficial bacteria may also be found in yogurt and cheese. Consult Physician if symptoms persists...