What should you know about estrogen and gallstones?

Gallstones are solid deposits that form in the gallbladder. Oestrogen may increase cholesterol released into bile and can reduce how efficiently the gallbladder empties. Pregnancy, hormone therapy, and other factors may therefore alter the conditions that allow stones to form, but a hormonal link does not prove that oestrogen caused an individual stone. Many stones cause no symptoms. When a stone blocks a bile duct, it may cause upper abdominal pain, nausea, vomiting, or indigestion.

Tell a clinician about abdominal symptoms and any pregnancy, contraceptive, or menopause hormone treatment. They may ask when pain occurs, examine you, and arrange imaging or blood tests. Avoid stopping prescribed oestrogen without advice. Until reviewed, note food triggers and symptom timing, and choose meals that you tolerate rather than making drastic dietary changes. A GP consultation can help decide whether symptoms need imaging, monitoring, or referral.

Seek urgent assessment for severe or persistent abdominal pain, repeated vomiting, fever, yellowing of the skin or eyes, dark urine, pale stools, or pain spreading to the back. These signs can indicate a blocked or inflamed biliary system, or pancreatitis. Do not wait for a routine review if you feel faint, confused, or unable to drink enough fluid.

Ask whether your symptoms fit gallstones, whether hormone treatment should be reviewed, which imaging is appropriate, and which warning signs require emergency care. Mention previous stones, pregnancy, and any history of pancreatitis.