Lafutidine is a generic antihistamine drug which is used to treat diseases involving the gastrointestinal tract such as oesophagus, stomach, small intestine, large intestine, rectum etc., It is a histamine H2-receptor that prevents the excess secretion of gastric acid. It is also beneficial for treating peptic, duodenal and gastric ulcers. Some of the common side effects of Lafutidine includes diarrhea, vomiting, nausea, constipation and dizziness and may also cause an increase in liver enzymes and blood urea. It is highly reactive and beneficial for instant results. This drug is not suitable for a person below the age of 18 year and adults can only take it under supervision of doctor.