cat scan showed sluge, in pain. surgery?

Welcome to e health forum.

Yes presence of sludge in the Gall bladder could be the cause of your persistent pain.

‎The cause of gall bladder dysfunction is due to poor dietary habits, chronic liver diseases, obesity and a sedentary ‎lifestyle. ‎

Improved diet (Avoidance of high fatty foods and grease), Physical exercise, weight loss provide the best results in ‎individuals with low functioning gall bladder. Medicines to improve digestion and cleanse the gall bladder can also ‎be prescribed to help in improvement of symptoms. ‎

The definitive treatment of such conditions is cholecystectomy for patients who are able to tolerate surgery.‎

In many patients, coexistent GERD is also a contributing factor for the symptoms. Hence in many individuals who ‎undergo Gall bladder removal, the symptoms due to GERD will cause persistent symptoms. Hence it is important to ‎work with a gastroenterologist and rule out Gastric Reflux disorder, and treat it properly. Effective treatment of such ‎conditions may negate the need for a gall bladder surgery. ‎

But in case, the symptoms are predominantly due to gall bladder, then treatment of both GERD and gallbladder ‎removal may be needed. ‎
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You might consider to consult your health care provider for additional information and seek proper advice.‎