Losec® is one of the most well-known heartburn and reflux medications . Unlike antacids that only temporarily relieve the symptoms, Losec® treats the root cause of heartburn and reflux, offering lasting freedom from the burning pain of heartburn and reflux. Dose: Take 1 tablets once daily until symptoms improve. If symptoms persist see Doctor . Use the lowest dose that controls your symptoms. Use should not be prolonged except on medical advice . Active Ingredients: Omeprazole 20mg. Do not use Losec:- If you are under 18 years old . Seek medical advice:- If you have unexplained weight loss- If swallowing is difficult or painful- If you are vomiting blood or your bowel motions are black or tar-like- If you have persistent regurgitation of food or persistent vomiting .