Hepatitis B and type 2 diabetes

Hepatitis B can cause inflammation or scarring in the liver, while type 2 diabetes can be associated with fat accumulation and other metabolic stress on that organ. Together, they make it especially useful for the healthcare team to know your full history. A liver problem can change how some medicines are selected or monitored, but never stop diabetes or hepatitis treatment on your own.

Fatigue may come from blood glucose changes, liver inflammation, poor sleep or another cause. Dark urine can reflect dehydration, medicines or liver and urinary problems, so its meaning depends on the wider picture.

Give each clinician an up-to-date list of medicines, including diabetes tablets, insulin, antivirals, pain relievers and supplements. Keep appointments for blood glucose checks and liver review; a [Liver Function Test](/treatments/diagnostics-and-screening/liver-function-test/) may be part of that assessment. Choose meals and activity plans that support glucose control without extreme dieting, and avoid alcohol or unregulated supplements unless your clinician approves them.

Ask about [Hepatitis B](/conditions/hepatitis-b/) follow-up and make sure eligible household or sexual contacts know about [Hepatitis B Vaccination](/treatments/preventive-care-and-vaccination/hepatitis-b-vaccination/).

Seek urgent help for confusion, fainting, severe vomiting, vomiting blood, black stools, or signs of dangerously low or high blood glucose such as marked drowsiness, sweating with weakness, deep breathing or inability to keep fluids down. Contact your clinician soon for persistent [Dark Urine](/symptoms/dark-urine/), worsening [Fatigue](/symptoms/fatigue/), yellowing of the eyes or new abdominal swelling.

Ask whether your liver results affect your diabetes medicines, how often glucose and liver tests should be checked, what symptoms need same-day advice, and whether a dietitian or liver specialist should join your care team.