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OTC · No prescriptionTasmed India Pvt LtdUrinary health agent

Stonil Syrup

Citric Acid + Potassium Citrate

Stonil Syrup is used for this medicine is used in the treatment of burning during urination, urinary tract discomfort and prevention of urinary stones.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026

₹100₹0.50 per ml
Licensed pharmacyPharmacist-verified orderDelivered across India

Key details

Salt: Citric Acid + Potassium Citrate
Available variants: syrup syrup 200ML
Best price: ₹100 (₹0.50 per ml)
Prescription: Not required
Manufacturer: TASMED INDIA PVT LTD

Ordering notes

Standard delivery across India. No same-day delivery nationally.
Chennai express delivery is possible and chargeable. Learn more
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy

Composition of Stonil Syrup

Stonil Syrup contains Citric Acid + Potassium Citrate. It belongs to the Urinary alkaliniser / supplement class of medicines.

Uses of Stonil Syrup

  • This medicine is used in the treatment of burning during urination
  • urinary tract discomfort and prevention of urinary stones.

Key benefits

  • Quick relief of burning while passing urine

How Stonil Syrup works

Potassium Citrate makes the urine less acidic, which eases burning and discomfort while passing urine.

How to take Stonil Syrup

Shake the bottle well before each dose and measure it with the cup, spoon or dropper supplied — a kitchen spoon is not an accurate measure. Take it with water, after food. Follow the dose and the duration written on your prescription.

Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.

Missed dose and overdose

If you miss a dose

Take it as soon as you remember. If your next dose is almost due, skip the one you missed — never take two doses together to catch up.

If you take too much

An overdose of this medicine can disturb the body's salt balance and cause stomach upset. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Stonil Syrup

Most side effects of Stonil are mild and settle as the body adjusts. Reported side effects include:

  • Nausea
  • Loose motions
  • Stomach upset

Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.

Safety advice for Stonil Syrup

PregnancyConsult your doctor before using this in pregnancy.
BreastfeedingConsult your doctor before using this while breastfeeding.
AlcoholAlcohol may worsen the side effects of this medicine. Limit it.
DrivingNot expected to affect your ability to drive.
KidneyConsult your doctor if you have kidney disease.
LiverUse with caution if you have liver disease — your doctor may adjust the dose or monitor your liver function.
Habit formingNo

Warnings and precautions

This eases the symptoms; it does not treat a urinary infection. See a doctor if you have fever, back or flank pain, blood in the urine, or symptoms lasting more than a couple of days — an infection needs an antibiotic. Drink plenty of water throughout the day. Tell your doctor if you have kidney disease, heart failure or are on a salt-restricted diet; these preparations carry a sodium or potassium load.

Do not take Stonil if

Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Not for people with significant kidney disease or a high blood potassium level, without medical advice.

Interactions with other medicines

Changing the acidity of urine affects how some medicines are cleared — tell your doctor what you take.

How to store Stonil Syrup

Store below 30°C, away from direct sunlight. Do not freeze. Once opened, use it within the period printed on the pack. Keep out of the reach of children.

Expert advice for Stonil Syrup

Drink two to three litres of water a day unless your doctor has restricted fluids. Do not delay seeing a doctor if symptoms persist.

Manufacturer and class

Manufacturer:
TASMED INDIA PVT LTD
Therapeutic class:
Urinary health agent
Drug class:
Urinary alkaliniser / supplement

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Stonil Syrup FAQs

What is Stonil Syrup used for?
Stonil Syrup is commonly used for This medicine is used in the treatment of burning during urination, urinary tract discomfort and prevention of urinary stones. Always follow your doctor's advice, this information is for educational purposes and not a substitute for professional medical guidance.
What is the salt in Stonil Syrup?
Stonil Syrup contains Citric Acid + Potassium Citrate. If you are allergic to any of these active ingredients or excipients, do not take this medicine and speak to your doctor first.
How should I take Stonil Syrup?
Shake the bottle well before each dose and measure it with the cup, spoon or dropper supplied — a kitchen spoon is not an accurate measure. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Stonil Syrup work?
Potassium Citrate makes the urine less acidic, which eases burning and discomfort while passing urine.
Is Stonil Syrup a prescription medicine?
No. Stonil Syrup is available over the counter (OTC), no prescription is required. However, it is always safer to consult a doctor or pharmacist before use.
What are the common side effects of Stonil Syrup?
The side effects reported most often with Stonil are Nausea, Loose motions, Stomach upset. Most are mild and settle as the body adjusts; tell your doctor if any of them persist or worry you, and stop the medicine and seek help at once for a rash, swelling of the face or lips, or difficulty breathing.
Can Stonil Syrup be taken during pregnancy?
Consult your doctor before using this in pregnancy. Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Stonil.
Can I drink alcohol while taking Stonil Syrup?
Alcohol may worsen the side effects of this medicine.
What if I miss a dose of Stonil Syrup?
Take it as soon as you remember.
Is Stonil Syrup habit forming?
No. Stonil Syrup is not known to be habit forming when taken as prescribed.
How much does Stonil Syrup cost on PingMeDoc Pharmacy?
Stonil Syrup starts at ₹100 on PingMeDoc Pharmacy. Available in syrup syrup 200ML. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Stonil Syrup?
Stonil Syrup is manufactured by TASMED INDIA PVT LTD. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Stonil Syrup delivered?
Stonil Syrup is delivered across India via our licensed pharmacy partners. Standard delivery timelines are confirmed at checkout. Chennai customers can opt for chargeable same-city express delivery.

Stonil Syrup, Quick facts

Salt
Citric Acid + Potassium Citrate
Form
syrup
Best price
₹100 (₹0.50 per ml)
Prescription
Not required (OTC)
Brand
TASMED INDIA PVT LTD
Manufacturer
TASMED INDIA PVT LTD
Therapeutic class
Urinary health agent
Drug class
Urinary alkaliniser / supplement
Habit forming
No
Variants
syrup syrup 200ML
Delivery
Standard across India

References

The information on Stonil Syrup is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.

  1. PingMeDoc clinical monograph library — compiled from Indian package inserts, the Indian Pharmacopoeia
  2. CDSCO schedules and standard pharmacology references. Reviewed for patient readability. This is general information, not a substitute for your doctor's advice.
  3. Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
  4. National List of Essential Medicines (NLEM) 2022, Government of India.
  5. Manufacturer's package insert / prescribing information for Stonil Syrup.
  6. World Health Organization, ATC/DDD classification and Model Formulary for the active ingredient.

Next steps

Safety disclaimer

Product information is for general awareness and does not replace professional medical advice. Always follow a clinician's guidance and upload a valid prescription when required.