Should I Go to the ER for Kidney Stones?

When It Makes Sense

• Good fit: You have severe, uncontrolled pain that does not improve with prescribed or over-the-counter medication, or you cannot keep fluids or medicines down because of nausea and vomiting. The ER can provide IV fluids, stronger pain relief, anti-nausea treatment, and imaging to confirm the stone’s location and size.
• Good fit: You have signs of infection or serious complications, such as fever, chills, burning urination with pus or foul odor, difficulty passing urine, or known conditions like a single kidney, pregnancy, or a transplanted kidney. These situations may require urgent antibiotics, drainage, or observation.

When You Should Avoid It

• Warning sign: Your pain is mild to moderate, manageable at home, and you have no fever, vomiting, or urinary blockage. In this case, an ER visit may lead to unnecessary testing, long waits, and high costs; a primary care clinician, urgent care center, or urologist is usually more appropriate.
• Warning sign: You are primarily seeking a routine prescription refill or a non-urgent second opinion. Emergency departments are designed for acute, potentially life-threatening problems, not ongoing management of a known, stable stone.

Pros and Cons

Pros

• Rapid access to pain control, IV fluids, anti-nausea medication, and diagnostic imaging such as ultrasound or CT to confirm the stone and check for obstruction.
• Immediate evaluation for dangerous mimics or complications—appendicitis, ovarian or testicular emergencies, urinary infection, or sepsis—that may need urgent treatment.

Cons

• Higher cost, longer wait times, and exposure to infections from other patients in a busy emergency setting.
• Possible radiation from CT scans, overtreatment, or receiving care from staff unfamiliar with your full medical history compared with your regular clinician or urologist.

Decision Checklist

• Do I have fever, chills, vomiting, difficulty urinating, severe uncontrolled pain, or a condition such as pregnancy or a single kidney?
• Can I manage my pain and hydration at home or through urgent care, or do I need IV medications and rapid imaging?
• Have I contacted my primary care clinician, urologist, or a nurse advice line for guidance on the safest level of care?

Alternatives to Consider

For stable symptoms, consider an urgent care clinic or same-day telehealth visit for pain control and a urine test; your primary care clinician can order imaging and refer you to a urologist. Home care may include drinking fluids as tolerated, straining urine to catch the stone, using a heating pad, and taking only medications your clinician has recommended. If pain is manageable and there are no red flags, scheduled urology follow-up is often more efficient than the ER.

Final Recommendation

Go to the ER if you have severe, escalating pain, signs of infection, vomiting that prevents hydration, trouble urinating, or risk factors such as pregnancy or a single kidney. If your symptoms are stable and you can manage pain and fluids, seek urgent care or contact your clinician first. Because kidney stones can resemble other serious conditions, call a medical professional or nurse advice line whenever you are unsure.