Definition: Colic is a condition characterized by pain in the lower abdomen, often accompanied by nausea, vomiting, and diarrhea. It can be caused by a variety of factors including food allergies, parasites, bacteria, viruses or even certain medications. Symptoms may also include abdominal cramping, bloating, and weight loss. Colic is an umbrella term for a wide range of conditions that affect the digestive system and can have serious consequences if not treated promptly.