H pylori and ulcerative colitis: what should you know?

H pylori can irritate the stomach and cause upper abdominal discomfort, nausea or indigestion. Ulcerative colitis is an inflammatory condition of the colon and commonly presents with diarrhoea, urgency, abdominal pain or blood and mucus in stool. These patterns can overlap with other bowel illnesses. Having H pylori does not establish that ulcerative colitis is causing a symptom, and ulcerative colitis needs its own assessment and monitoring.

If you have known ulcerative colitis, continue your prescribed plan unless your clinician tells you otherwise. Record stool frequency, urgency, blood, pain, fever, fluid intake and any recent antibiotics or stomach symptoms. A GP consultation can help decide whether testing for H pylori or another cause is appropriate. Do not take anti-inflammatory pain medicines or leftover antibiotics without checking, as they may aggravate digestive problems or complicate assessment.

Contact your care team promptly for a clear change in bowel symptoms, repeated bloody diarrhoea, worsening abdominal pain, fever, dizziness or difficulty keeping fluids down. Emergency help is needed for severe pain with a swollen abdomen, fainting, confusion, heavy bleeding or profound weakness. A flare and an infection can require different treatment, so worsening symptoms should not be attributed to H pylori alone.

Could my symptoms reflect ulcerative colitis activity, H pylori, or another infection? Which stool or blood tests are appropriate? Should any medicines be adjusted before testing? When should I use my flare plan, and which warning signs require emergency care?