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Information on Urine Routine Test

Discover what causes crystals in urine, their types, symptoms, and how they are diagnosed and treated to prevent complications like kidney stones and urinary tract issues.

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Written by Dr. J T Hema Pratima

Reviewed by Dr. Vasanthasree Nair MBBS

Last updated on 28th Aug, 2025

Crystals in Urine Understanding Causes and Treatment

Finding out that you have crystals in your urine can be concerning, but it’s important to understand that this is a common condition that can often be managed with simple lifestyle changes. In this article, we’ll explain what urine crystals are, why they form, and what you can do to prevent or treat them.

What Are Urine Crystals?

Urine crystals are tiny, solid particles that form when certain substances in your urine become too concentrated. These substances can include minerals like calcium, oxalate, uric acid, or phosphate. While small amounts of crystals in urine are normal, excessive amounts may indicate an underlying health issue or increase the risk of kidney stones.

Common Types of Urine Crystals

Different types of crystals can form in urine, depending on the minerals present. Some common types include:

1. Calcium Oxalate Crystals: The most common type, often linked to high-oxalate foods like spinach, nuts, and chocolate.
2. Uric Acid Crystals: Form when there’s too much uric acid in urine, often due to a high-protein diet or conditions like gout.
3. Struvite Crystals: Usually caused by urinary tract infections (UTIs).
4. Cystine Crystals: Rare and linked to a genetic disorder called cystinuria.

What Causes Crystals in Urine?

Several factors can contribute to the formation of crystals in urine, including:

•    Dehydration: Not drinking enough water leads to concentrated urine, making crystals more likely to form.
•    Diet: Eating too many high-oxalate, high-salt, or high-protein foods can increase crystal formation.
•    Urinary Tract Infections (UTIs): Certain bacteria can change urine chemistry, leading to struvite crystals.
•    Metabolic Disorders: Conditions like gout, hyperparathyroidism, or cystinuria can increase crystal risk.
•    Medications: Some diuretics and antibiotics can alter urine composition.

Symptoms of Urine Crystals

In many cases, urine crystals don’t cause noticeable symptoms and are only detected during a routine urine test. However, if crystals clump together and form kidney stones, you may experience:

•    Sharp pain in the back, side, or lower abdomen
•    Frequent or painful urination
•    Cloudy or foul-smelling urine
•    Blood in urine (hematuria)
•    Nausea or vomiting (if a kidney stone is blocking urine flow)

Get Your Symptoms Checked By Top Specialists

Dr. Rajib Ghose, General Physician/ Internal Medicine Specialist

Dr. Rajib Ghose

General Physician/ Internal Medicine Specialist

26 Years • MBBS

Kolkata

B Ghose Foundation Doctor's Chamber, Kolkata

recommendation

92%

(25+ Patients)

1063

850

Dr D M Karthik, General Practitioner

Dr D M Karthik

General Practitioner

4 Years • MBBS, Fellowship in Diabetes Mellitus, Advance certificate in Diabetes Mellitus, Derma Nutrition Certification

Visakhapatnam

Apollo 24|7 Clinic - Andhra Pradesh, Visakhapatnam

449

Dr. Rajib Ghose, General Practitioner

Dr. Rajib Ghose

General Practitioner

25 Years • MBBS

East Midnapore

VIVEKANANDA SEBA SADAN, East Midnapore

950

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How Are Urine Crystals Diagnosed?

A urinalysis (urine test) is the most common way to detect crystals. Your doctor may also recommend:

•    Blood tests: To check for metabolic disorders.
•    Imaging tests (ultrasound or CT scan): If kidney stones are suspected.
•    24-hour urine collection: To measure mineral levels over time.

If you’re experiencing symptoms or have a history of kidney stones, it’s best to consult a doctor. You can easily book a urine test or doctor consultation on Apollo 24|7 for a quick diagnosis.

How to Prevent and Treat Urine Crystals?

The good news is that most cases of urine crystals can be managed with simple lifestyle changes:

1. Stay Hydrated

•    Drink at least 8-10 glasses of water daily to dilute urine and prevent crystal formation.
•    Lemon water can help, as citrate in lemons prevents certain crystals from forming.

2. Adjust Your Diet

•    Reduce high-oxalate foods (spinach, nuts, chocolate, tea).
•    Limit salt and animal protein (red meat, seafood) to lower uric acid levels.
•    Eat more calcium-rich foods (dairy, leafy greens) to bind oxalates in the gut.

3. Manage Underlying Conditions

•    If you have gout or high uric acid, medications like allopurinol may help.
•    For UTIs, antibiotics can prevent struvite crystals.
•    If you have cystinuria, your doctor may prescribe special medications.

4. Regular Check-ups

•    If you’re prone to crystals or kidney stones, regular urine tests can help monitor your condition.

When to See a Doctor?

While most urine crystals are harmless, you should seek medical advice if you experience:
•    Severe pain in your back or abdomen
•    Blood in urine
•    Frequent UTIs
•    Difficulty urinating

Early detection and treatment can prevent complications like kidney stones.

Conclusion

Crystals in urine are usually not a major cause for concern, but they can sometimes lead to kidney stones if left untreated. By staying hydrated, eating a balanced diet, and getting regular check-ups, you can reduce your risk.

If you’re worried about urine crystals or related symptoms, Apollo 24|7 makes it easy to book a consultation or lab test from home. Taking small steps today can help keep your urinary system healthy in the long run!

Consult Top Specialists

Dr. Rajib Ghose, General Physician/ Internal Medicine Specialist

Dr. Rajib Ghose

General Physician/ Internal Medicine Specialist

26 Years • MBBS

Kolkata

B Ghose Foundation Doctor's Chamber, Kolkata

recommendation

92%

(25+ Patients)

1063

850

Dr D M Karthik, General Practitioner

Dr D M Karthik

General Practitioner

4 Years • MBBS, Fellowship in Diabetes Mellitus, Advance certificate in Diabetes Mellitus, Derma Nutrition Certification

Visakhapatnam

Apollo 24|7 Clinic - Andhra Pradesh, Visakhapatnam

449

Dr. Rajib Ghose, General Practitioner

Dr. Rajib Ghose

General Practitioner

25 Years • MBBS

East Midnapore

VIVEKANANDA SEBA SADAN, East Midnapore

950

850

Get Your Symptoms Checked By Top Specialists

Dr. Rajib Ghose, General Physician/ Internal Medicine Specialist

Dr. Rajib Ghose

General Physician/ Internal Medicine Specialist

26 Years • MBBS

Kolkata

B Ghose Foundation Doctor's Chamber, Kolkata

recommendation

92%

(25+ Patients)

1063

850

Dr. Dhankecha Mayank, General Practitioner

Dr. Dhankecha Mayank

General Practitioner

6 Years • MBBS

Gujarat

Apollo 24|7 Virtual Clinic - Gujarat, Gujarat

549

Dr D M Karthik, General Practitioner

Dr D M Karthik

General Practitioner

4 Years • MBBS, Fellowship in Diabetes Mellitus, Advance certificate in Diabetes Mellitus, Derma Nutrition Certification

Visakhapatnam

Apollo 24|7 Clinic - Andhra Pradesh, Visakhapatnam

449

Dr. Rajib Ghose, General Practitioner

Dr. Rajib Ghose

General Practitioner

25 Years • MBBS

East Midnapore

VIVEKANANDA SEBA SADAN, East Midnapore

950

850

Dr. Anshul Maheshwari, General Practitioner

Dr. Anshul Maheshwari

General Practitioner

5 Years • MBBS

Lucknow

Apollo 24|7 Clinic - Uttar Pradesh, Lucknow

499

Consult Top Specialists

Dr. Rajib Ghose, General Physician/ Internal Medicine Specialist

Dr. Rajib Ghose

General Physician/ Internal Medicine Specialist

26 Years • MBBS

Kolkata

B Ghose Foundation Doctor's Chamber, Kolkata

recommendation

92%

(25+ Patients)

1063

850

Dr. Dhankecha Mayank, General Practitioner

Dr. Dhankecha Mayank

General Practitioner

6 Years • MBBS

Gujarat

Apollo 24|7 Virtual Clinic - Gujarat, Gujarat

549

Dr D M Karthik, General Practitioner

Dr D M Karthik

General Practitioner

4 Years • MBBS, Fellowship in Diabetes Mellitus, Advance certificate in Diabetes Mellitus, Derma Nutrition Certification

Visakhapatnam

Apollo 24|7 Clinic - Andhra Pradesh, Visakhapatnam

449

Dr. Rajib Ghose, General Practitioner

Dr. Rajib Ghose

General Practitioner

25 Years • MBBS

East Midnapore

VIVEKANANDA SEBA SADAN, East Midnapore

950

850

Dr. Anshul Maheshwari, General Practitioner

Dr. Anshul Maheshwari

General Practitioner

5 Years • MBBS

Lucknow

Apollo 24|7 Clinic - Uttar Pradesh, Lucknow

499

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