If you get any of the following symptoms you should seek immediate medical attention. They may indicate a more serious underlying condition:

• Chest pain or upper tummy pain worse on exertion
• Difficulty swallowing foods or liquids
• Persistent pain on swallowing
• Persistent vomiting
• Vomiting blood or dark brown vomit
• Unexplained weight loss
• Altered bowel habit (diarrhoea or constipation) for more than 6 weeks
• Altered stool (dark or black poo)
• Lump in the abdomen (tummy)
• Unexplained anaemia
• Jaundice
• New GORD symptoms in someone aged 55 years or over
• GORD symptoms with any of the following:
  • Family history of stomach or oesophageal cancer in more than two first degree relatives
  • Barrett’s oesophagus
  • Pernicious anaemia
  • Previous stomach ulcer surgery
  • Pernicious anaemia
  • A previous diagnosis of the following stomach conditions: dysplasia, atrophic gastritis or intestinal metaplasia