Is a 9mm stone severe?

The severity of a 9-mm stone depends on factors such as its location, whether it causes obstruction or infection. Generally, a 9-mm stone is considered medium-sized—not particularly large, but not negligible either. It may cause symptoms including pain, hematuria (blood in urine), and bladder irritation, which can affect the patient's quality of life. For a 9-mm stone, conservative treatments such as increasing fluid intake and medication may be attempted to facilitate spontaneous passage. If conservative treatment fails or symptoms are severe, surgical interventions such as extracorporeal shock wave lithotripsy (ESWL) or endoscopic stone removal may be required. Long-term untreated stones may lead to complications including stone enlargement, worsening obstruction, and impaired kidney function. Therefore, patients with a 9-mm stone should choose an appropriate treatment approach based on their individual condition and medical advice.