Telfirst Ct 40/6.25 Tablet 15

Sinsan Pharmaceuticals

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Old MRP ₹150.5

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Composition

Chlorthalidone (6.25 Mg) + Telmisartan (40 Mg)

Telfirst Ct 40/6.25 Tablet 15 is used to treat high blood pressure (hypertension) in adults. It is a combination antihypertensive medicine that helps lower and control blood pressure.

It combines two medicines that lower blood pressure through different actions, helping reduce the risk of complications such as heart attack and stroke caused by persistently high blood pressure. Take it exactly as prescribed by your doctor.

Reducing salt intake, staying physically active, maintaining a healthy weight, and limiting alcohol can support better blood pressure control alongside this medicine.

Inform your doctor about any pre-existing health conditions, especially kidney problems, or other medicines you are taking. Report any side effects promptly, and complete the prescribed course for the best results. Contact your doctor if you notice significant dizziness, muscle cramps, or swelling.

Telfirst Ct 40/6.25 Tablet 15 is used in adults to lower and control high blood pressure, helping reduce the risk of complications such as heart attack and stroke.

Uses of Telfirst Ct 40/6.25 Tablet 15 are:

Hypertension: Helps lower and control high blood pressure.
Cardiovascular Protection: May help reduce the risk of heart attack and stroke in people at risk of heart-related problems.

Follow the instructions as per your doctor's recommendations. To ensure proper usage of Telfirst Ct 40/6.25 Tablet 15, it is important to follow these guidelines:

Take the tablet with a glass of water.
Swallow the tablet as a whole, do not crush or chew.
Take it in the dosage suggested by your doctor.
It should be taken with food.
It can be taken only at the appearance of symptoms.

Telfirst Ct 40/6.25 Tablet 15 is taken orally.

Telfirst Ct 40/6.25 Tablet 15 may cause some side effects that are usually mild and go away as your body adjusts to the medicine.

A few common side effects of Telfirst Ct 40/6.25 Tablet 15 are:

Digestive: Stomach pain and feeling sick (nausea).
Neurological: Sleepiness, dizziness and headache.
Circulatory: Swelling of the ankles.

If side effects do not improve or become serious, speak to your doctor right away.

Management Of Side Effects:

Some side effects are temporary and generally harmless, which resolve on discontinuing Telfirst Ct 40/6.25 Tablet 15. However, if you experience any severe side effects or worsening of any of the symptoms, please consult your doctor.

The components of Telfirst Ct 40/6.25 Tablet 15 are as follows:

Chlorthalidone (6.25 mg): It belongs to the class of diuretics commonly known as water tablets. It functions by increasing the removal of excess water and certain salts, such as sodium and potassium, from the blood. This action reduces the fluid volume circulating through blood vessels, ultimately improving blood flow.
Telmisartan (40 mg): It operates by blocking the hormone angiotensin II in the body. It is responsible for narrowing blood vessels, which can lead to high blood pressure. By inhibiting the effects of angiotensin II, telmisartan helps prevent this narrowing of blood vessels and effectively lowers blood pressure.

Pregnancy

Talk to your doctor if you are going to take Telfirst Ct 40/6.25 Tablet 15 when you are pregnant or planning to conceive. It should be used with caution in pregnant women as it may be unsafe, and a dosage adjustment may be needed if absolutely necessary.

Breastfeeding

Inform your doctor if you are a breastfeeding mother. This tablet should be used cautiously while breastfeeding.

Alcohol

Avoid the consumption of alcohol while taking this tablet, as it may be unsafe and cause adverse effects.

Liver

Telfirst Ct 40/6.25 Tablet 15 must be used cautiously in patients with liver diseases and other related conditions. A dose adjustment might be needed.

Kidney

This tablet must be used cautiously in patients with kidney diseases and other related conditions. A dose adjustment might be needed. Please consult your doctor about your kidney condition and its interaction with this medicine.

Use In Driving And Operating Machinery

This medicine may cause dizziness, sleepiness and lack of focus. Hence, it is considered to be unsafe when you are going to drive or operate machinery.

Allergy

When you are allergic to any of the key ingredients of Telfirst Ct 40/6.25 Tablet 15, do not take this medicine and inform the doctor. The doctor will decide about the further use of the tablet.

Children

Telfirst Ct 40/6.25 Tablet 15 should not be used for children unless prescribed by the paediatrician.

Older Patients

The effect of this tablet in older patients may vary based on their disease and general health condition. It is to be used with caution and only on your doctor's recommendation. Regular monitoring is recommended.

Drug-Drug Interactions

Telfirst Ct 40/6.25 Tablet 15 can interact with medications, including:

Medicines used to treat fungal infections (Itraconazole, Miconazole, etc.): When taken together, they can cause hyperkalemia, which in turn may lead to muscle weakness, heart rhythm abnormalities, nausea and vomiting.
Medications used to treat pain and inflammation (Ex, Aspirin, Ibuprofen, etc.): This interaction may cause raised blood pressure and acute kidney injury.
Diuretics such as Furosemide, Hydrochlorothiazide: They cause severe hypotension and failure of kidney function.
Antidepressants such as Citalopram and Fluoxetine: This interaction might affect the electrical activity of the heart.
Medications used to ease pain (Narcotics and other such medicines): They cause severe lowering of blood pressure.

Drug-Food Interactions

Telfirst Ct 40/6.25 Tablet 15 can interact with foods, including:

Grapefruit juice: It can counteract this medicine by increasing blood pressure.

Drug-Disease Interactions

Telfirst Ct 40/6.25 Tablet 15 can interact with diseases, including:

Hyperkalemia (High blood potassium levels): It can lead to elevated potassium levels in the blood (hyperkalemia), particularly due to its component, telmisartan.
Kidney stones: It can increase the risk of developing kidney stones in some individuals.
Kidney diseases: This medicine is often used to protect the kidneys in conditions like diabetes and hypertension. However, this medication may need to be adjusted in individuals with impaired kidney function. Regular monitoring is essential to ensure it is being used safely and effectively.
Diabetes: This tablet can affect blood glucose levels.

Daily Dose

The recommended daily dose of Telfirst Ct 40/6.25 Tablet 15 is taken as directed by your doctor. Kindly consult your doctor for dosage information.

Over Dose

If you or someone else takes an excessive amount of the medicine by accident, it is essential to take immediate medical attention from your doctor or nearby hospital. The overdose symptoms include confusion, nausea, stomach ache, vomiting, etc.

Missed Dose

If you forgot to take Telfirst Ct 40/6.25 Tablet 15, take it as soon as you remember. If the time for the next dosage is close, skipping the missed one and resuming your regular dosage pattern is recommended. Only increase your dosage after consulting your doctor.

Store Telfirst Ct 40/6.25 Tablet 15 at room temperature.
Protect the medicine from heat and light.
Keep the tablet away from the reach of children.
Do not use the tablet after the expiry date has passed.

Exercise regularly for the best physical and mental health. Exercises keep the organs of the body healthy and improve blood circulation, ensuring proper nourishment and overall well-being.
Stay hydrated by drinking lot of water.
Avoid high sodium intake as it raises blood pressure levels.
Eat foods rich in Omega-3 fatty acids.
Eat foods which are rich in antioxidants, like spinach, berries, beans, etc.
Monitor blood pressure regularly.

Fact Box

Dosage Forms Available	Tablet
Habit Forming	No
Ailment	Hypertension
Drug Category	Thiazide Diuretic, Angiotensin II Receptor Blocker
Therapeutic Category	Antihypertensive

Is Telfirst Ct 40/6.25 Tablet 15 addictive in nature?

No, Telfirst Ct 40/6.25 Tablet 15 is not addictive and can be taken as long as they continue to benefit a person and are prescribed.

How long should I take Telfirst Ct 40/6.25 Tablet 15?

Telfirst Ct 40/6.25 Tablet 15 starts working soon after administration. You are supposed to complete the prescribed dosage given by the doctor.

Does Telfirst Ct 40/6.25 Tablet 15 cause headaches?

Headaches may be reported with the use of Telfirst Ct 40/6.25 Tablet 15.

What is the usage of Telfirst Ct 40/6.25 Tablet 15?

Telfirst Ct 40/6.25 Tablet 15 treats hypertension, which may lead to heart attacks or strokes if not addressed timely.

Can Telfirst Ct 40/6.25 Tablet 15s cause anxiety?

Yes, Telfirst Ct 40/6.25 Tablet 15 may cause anxiety. It can be relieved by practising mindfulness, meditation, etc.

Last Updated On 11 Sep. 2026 | 1:59PM (IST)

Certified Content

Written by

Dr. Nikhil Ambatkar

Medical Content Reviewer | 8 years

PhD (Biotechnology)

Reviewed by

Dr. Betina Chandolia

Lead Medical Content Reviewer | 11 years

BDS, MDS, PGCCL, PGDMH

Check out Editorial Policy

Manufacturer details

501, Park Plaza, Opp. Kamla Nehru Park, Bhandarkar Rd, Pune, Maharashtra 411004

Country of origin: INDIA

Expiry on or after: January 2027

In case of any issues, contact us:

support@truemeds.in|09240250346

Address: 6th floor, Urmi Corporate Park Solaris, Saki Vihar Road, Andheri East, Mumbai 400071

References

FDA (no date a) Highlights of prescribing information for Thalitone(chlorthalidone) tablets for oral use, FDA access data. Available at: https://www.accessdata.fda.gov/drugsatfda_docs/label/2019/019574s017lbl.pdf
FDA (no date a) Telmisartan Tablets- highlights of prescribing information, FDA access data. Available at: https://www.accessdata.fda.gov/drugsatfda_docs/label/2011/020850s032lbl.pdf
Telmisartan: Medlineplus Drug Information (no date) MedlinePlus. Available at: https://medlineplus.gov/druginfo/meds/a601249.html
Chlorthalidone: Medlineplus drug information (no date) MedlinePlus. Available at: https://medlineplus.gov/druginfo/meds/a682342.html
Prem Kumar, A. et al. (2021) Clinical Data Analysis of Telmisartan for hypertension management in Indian population, Bioinformation. Available at: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8819792/
Telmisartan Disease Interactions (no date) Drugs.com. Available at: https://www.drugs.com/disease-interactions/telmisartan.html

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Disclaimer

We, at Truemeds make a diligent attempt to deliver accurate, expert- drafted and thoroughly reviewed medicine related information to our consumers. However, it should, by no means, be considered a substitute for prescription from a certified doctor or a trustworthy doctor-patient relationship. In fact we detest any form of self medication without expert advice. The sole purpose of the information on our portal is to educate our consumers, which helps improve the communication between a doctor and a patient. The information by no means is complete in its entirety and should not be used to diagnose or treat any medical condition. No amount of information can replace the experience and expertise of a doctor, therefore his/her advice always holds priority and should be followed appropriately.

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Intellihealth Solutions Private Limited

Unit-301 & 304, Lightbridge Tunga Village, Saki Vihar Rd, Chandivali, Powai, Mumbai, Maharashtra, India, 400072.

CIN: U62099MH2019PTC320566

Telephone:09240250346

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Name: Kishor Kumar

Email: grievance-officer@truemeds.in

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