Kidney Stones: Why They Form and What Ayurveda Says

Kidney stones are among the most common conditions affecting the urinary system. They can cause sudden and severe pain, commonly known as renal colic. In some people, small stones pass almost unnoticed, while in others they may obstruct the normal flow of urine and require medical treatment.

Modern medicine describes kidney stones as hard crystalline deposits that form when minerals and salts accumulate in the urine. Ayurveda takes a broader view, considering the condition a result of internal imbalance, disruption of the body’s natural elimination processes, and the gradual accumulation of substances that have not been properly processed and removed.

For this reason, the Ayurvedic approach focuses not only on the stone itself but also on digestion, hydration, daily habits, and maintaining the normal function of the urinary tract.

What Are Kidney Stones?

Kidney stones are hard deposits made of minerals and salts. They may form inside the kidneys and remain there without causing symptoms, or they may begin to move through the urinary tract.

Their size can range from tiny sand-like crystals to much larger formations. When a stone enters the ureter and obstructs the flow of urine, it may cause severe pain.

How Does Ayurveda Explain the Formation of Kidney Stones?

In Ayurveda, kidney and urinary stones are associated with a condition known as Ashmari, a term that literally means “stone.”

According to the Ayurvedic perspective, stones do not form suddenly or in isolation. Their development may be preceded by a prolonged imbalance affecting digestion, metabolism, and the normal movement of fluids within the body.

When Agni, the digestive fire, does not function optimally, food and other substances may not be processed completely. This can lead to the accumulation of Ama, an Ayurvedic term describing waste products resulting from incomplete digestion and disrupted metabolism.

Combined with insufficient water intake, suppression of the urge to urinate, and an imbalance of the doshas, these factors may create conditions that encourage stagnation and the gradual formation of crystalline deposits in the urinary system.

The Role of the Doshas

According to Ayurveda, all three doshas may be involved in the process:

• Vata is associated with movement, including the movement of a stone through the urinary tract, as well as sharp, intermittent pain.
• Pitta is connected with burning sensations, inflammation, irritation, and changes in the urine.
• Kapha, with its dense and heavy qualities, may contribute to accumulation and the physical formation of the stone.

The Ayurvedic approach aims not only to provide temporary relief but also to restore balance and reduce the conditions that may encourage stones to form again.

Why Do Kidney Stones Form?

Kidney stones usually develop due to a combination of factors. Common risk factors include:

• insufficient water intake;
• frequent dehydration;
• excessive salt consumption;
• a diet high in animal protein;
• recurring urinary tract infections;
• restricted urine flow or regularly holding in urine;
• metabolic disorders;
• gout;
• certain digestive conditions;
• the use of some medicines or dietary supplements;
• hereditary predisposition.

Not all kidney stones have the same composition. Dietary changes and preventive measures should therefore be tailored to the type of stone and the individual’s health condition.

Symptoms of Kidney Stones

Small stones may cause no symptoms at all. Complaints usually begin when a stone moves from the kidney into the ureter or obstructs the normal flow of urine.

Possible symptoms include:

• severe pain in the lower back, side, or flank;
• pain radiating towards the lower abdomen and groin;
• pain that comes in waves and changes in intensity;
• nausea and vomiting;
• blood in the urine;
• pain or a burning sensation during urination;
• frequent and urgent need to urinate;
• passing only a small amount of urine;
• cloudy or unpleasant-smelling urine;
• fever and chills when an infection is present.

Severe pain, fever, chills, vomiting, difficulty urinating, or visible blood in the urine require prompt medical assessment.

How Can the Risk of Kidney Stones Be Reduced According to Ayurveda?

Ayurveda places strong emphasis on prevention. Daily habits can support the normal movement of fluids, regular elimination, and a balanced metabolism.

Drink Enough Water

Insufficient fluid intake makes urine more concentrated and creates conditions in which minerals are more likely to crystallize.

It is generally better to drink water regularly throughout the day rather than consuming a large amount at once. Individual fluid requirements depend on factors such as temperature, physical activity, diet, and overall health.

People with kidney or heart conditions should follow their doctor’s recommendations regarding fluid intake.

Do Not Suppress the Urge to Urinate

In Ayurveda, regularly suppressing the body’s natural urges is considered a habit that may disrupt normal physiological processes.

Holding in urine for long periods may cause discomfort and interfere with the natural cleansing of the urinary tract.

Maintain Balanced Agni

Healthy digestion is an important part of Ayurvedic prevention. To support balanced Agni, Ayurveda recommends:

• eating at regular times;
• avoiding habitual overeating;
• choosing well-cooked, easy-to-digest foods;
• limiting excessively heavy, oily, and highly processed foods;
• adapting the diet to the individual constitution and current state of balance.

Limit Excessive Salt Intake

A high salt intake may increase the amount of calcium excreted in the urine and may influence the risk of certain types of stones in susceptible individuals.

Salt does not necessarily need to be eliminated completely, but excessive consumption of salty and highly processed foods should be avoided.

Stay Physically Active

Moderate physical activity supports circulation, metabolism, and the body’s natural elimination processes. Prolonged inactivity is not considered beneficial for overall metabolic balance.

Which Herbs Does Ayurveda Use to Support Kidney and Urinary Tract Health?

Ayurvedic formulas for the urinary system usually combine several plants with complementary properties. Traditionally, they are used to support normal urine flow, the natural cleansing of the urinary tract, and the body’s fluid balance.

Didymocarpus pedicellata

Known in Ayurveda as Shilapushpa, this plant is traditionally used to support kidney and urinary tract health and to promote normal urine flow.

Saxifraga ligulata

Also known as Pashanabheda, its traditional name is associated with “breaking stones.” In Ayurveda, the plant is used in formulas intended to support a normal mineral balance in the urine and reduce the conditions that may encourage crystalline deposits to form.

Rubia cordifolia

Known as Manjistha, this Ayurvedic herb is traditionally used to support the body’s natural cleansing processes. It is also included in formulas intended to maintain the normal condition of the urinary tract.

Cyperus scariosus

The aromatic rhizome of this plant is used in Ayurveda to support digestion, fluid balance, and normal elimination processes.

Achyranthes aspera

Known as Apamarga, this herb is traditionally used to support normal urine flow and the natural cleansing of the urinary tract.

Onosma bracteatum

This plant is included in traditional Ayurvedic combinations intended to support comfort and normal urinary system function. It is used as a complementary herb in formulas for the kidneys and urinary tract.

All these plants are included in Cystone by Himalaya, an Ayurvedic formula combining several plant extracts with complementary properties to support kidney and urinary tract health. The formula also contains purified Shilajit and a traditionally used mineral ingredient.

Conclusion

Kidney stones can form for many reasons, including insufficient water intake, dietary habits, infections, metabolic disorders, and individual predisposition.

Ayurveda provides an additional perspective by linking the condition with impaired Agni, the accumulation of Ama, disrupted fluid movement, and an imbalance of Vata, Pitta, and Kapha.

Supporting the urinary system therefore involves more than simply increasing water intake. It also includes regular meals, healthy digestion, avoiding excessive salt, staying active, responding to the natural urge to urinate, and seeking timely medical care when symptoms appear.

Ayurvedic herbs may be included as part of this comprehensive approach. However, when kidney stones have already been diagnosed, their size and location should be assessed by a healthcare professional. Particular attention is required in cases of severe pain, fever, blood in the urine, or difficulty passing urine.