Kidney Stone Symptoms While Travelling in Barcelona: Severe Side Pain, Nausea and When to Seek Urgent Care

Introduction

Kidney stone pain can begin without warning and is especially frightening when it happens abroad. A traveller may develop intense pain in the side or back, nausea, vomiting, urinary urgency or blood in the urine during what seemed like a normal day in Barcelona.

Hot weather and increased activity can raise fluid requirements. When a person drinks too little, urine becomes more concentrated, which is particularly relevant for people who have previously had kidney stones. However, severe side pain has several possible causes and should not be diagnosed by symptoms alone.

Some stones pass without an intervention, while others block the urinary tract, cause infection or require urgent treatment.

Typical symptoms of a kidney stone

The classic symptom is sharp pain in the back or side that may move toward the lower abdomen, groin or testicle. The pain often comes in waves and can be so intense that the person cannot find a comfortable position.

Other symptoms include nausea, vomiting, blood in the urine, pain when urinating, frequent or urgent urination, cloudy urine or passing only a small amount. Very small stones can sometimes pass with little or no discomfort.

The location and intensity of pain do not reliably show the size of the stone. Medical evaluation may include urine tests, blood tests and imaging.

Kidney stone, urine infection or muscular pain?

Muscular back pain is often linked to movement, posture or pressing the affected area. Kidney stone pain is usually deeper, severe and may travel toward the groin, although there is considerable overlap.

A urinary infection may cause burning, frequency and lower abdominal discomfort. Fever, chills, marked weakness or foul-smelling urine raise concern for an infection, especially if severe side pain is also present.

A stone that blocks urine flow can allow infection to develop behind the obstruction. This combination can become serious quickly and requires urgent medical care.

Warning signs requiring urgent care

Seek urgent assessment for severe or uncontrolled pain, high temperature, chills, persistent vomiting, inability to urinate, very little urine, confusion, fainting or signs of dehydration.

Blood in the urine should also be medically assessed, because stones are only one possible cause. Pregnant patients, people with one functioning kidney, kidney disease, reduced immunity or a history of complicated stones should seek advice early.

Call 112 if the person is severely unwell, confused, fainting or unable to travel safely to a medical facility.

What a doctor may need to assess

A doctor will ask about the onset and movement of the pain, urinary symptoms, previous stones, fever, medication and other medical conditions. Examination helps distinguish possible urinary, abdominal, musculoskeletal or gynaecological causes.

Urine may be checked for blood and infection, and blood tests can assess kidney function and inflammation. Imaging may be required to confirm the location and size of a stone or identify another diagnosis.

Treatment depends on the findings. It can include pain and nausea control, hydration guidance, medication to support passage in selected cases, antibiotics for infection or referral for urgent urological treatment.

Can you simply drink more water and wait?

Drinking enough fluid is important for prevention and may be part of management when a small uncomplicated stone is suspected. But forcing large amounts of water while vomiting, unable to urinate or in severe pain is not a substitute for assessment.

People with heart failure, kidney failure or fluid restrictions should not suddenly increase fluid intake without professional advice.

Do not take unfamiliar high-dose painkillers or combine several anti-inflammatory medicines. Kidney function, stomach problems, anticoagulants and other medication can change what is safe.

Reducing risk during a summer trip

Travellers with a history of stones should drink regularly, particularly during hot days and long walks, unless a doctor has advised fluid restriction. Pale yellow urine generally suggests better hydration than dark concentrated urine.

Keep regular medication and previous medical information accessible. If you know the type of stone you have had, dietary advice can be more specific; not every stone requires the same restrictions.

Do not wait until the return flight if symptoms suggest obstruction or infection. Early care can prevent complications and help determine whether it is safe to continue travelling.

When to consult a doctor in Barcelona

Arrange an urgent consultation for new severe side or back pain, urinary symptoms, blood in the urine or repeated nausea and vomiting. Even if the pain improves, assessment may be necessary when the diagnosis is uncertain or warning signs have appeared.

A multilingual doctor can perform an initial evaluation, arrange appropriate tests or referral and explain the next steps clearly to an international patient.

To request a consultation in Barcelona, contact Dr. Stefan Botnar by WhatsApp: +34 652 910 999.

Frequently asked questions

Can heat cause a kidney stone immediately? Heat does not create a stone in a few hours, but inadequate fluid replacement can concentrate urine and may contribute to symptoms or risk, especially in susceptible people.

Does blood in the urine always mean a stone? No. Infection, inflammation and other urinary conditions can also cause blood and should be evaluated.

Can a kidney stone be treated at a hotel? Severe pain, vomiting, fever or possible obstruction usually requires in-person assessment and may require hospital imaging or treatment.

Medical sources

National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK): Symptoms and Causes of Kidney Stones; Treatment for Kidney Stones; Eating, Diet and Nutrition for Kidney Stones.

National Health Service (NHS): Kidney stones - symptoms and urgent warning signs.

About the author

Dr. Stefan Botnar, MD - Multilingual Doctor in Barcelona for Tourists and Expats

Dr. Stefan Botnar is a multilingual doctor in Barcelona with more than 15 years of experience in general and emergency medicine, internal medicine and public health. He provides personalised medical care for tourists, expatriates and international residents.

His clinic at Carrer de la Marina, 16-18, Torre Mapfre, Barcelona offers in-person and online appointments, as well as hotel and home visits when appropriate. Dr. Botnar speaks English, Spanish, Russian, Romanian and German.

Disclaimer

This article is for informational purposes only and is not a substitute for professional medical advice, diagnosis or treatment. Seek urgent medical assistance if symptoms are severe, rapidly worsening or potentially life-threatening.