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Prescription requiredAretaeus Pharmaceuticals`Anti-hypertensive

Telzen 40

Telmisartan

Telzen 40 is used for this medicine is used in the treatment of high blood pressure, heart failure and diabetic kidney disease.

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

₹71
Licensed pharmacyPharmacist-verified orderDelivered across India

Key details

Salt: Telmisartan
Available variants: NA 10`S
Best price: ₹71
Prescription: Required
Manufacturer: ARETAEUS PHARMACEUTICALS`

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 Telzen 40

Telzen 40 contains Telmisartan. It belongs to the Angiotensin receptor blocker / ACE inhibitor class of medicines.

Uses of Telzen 40

  • This medicine is used in the treatment of high blood pressure
  • heart failure and diabetic kidney disease.

Key benefits

  • Protects the kidneys in diabetes
  • Reduces the long-term risk of stroke and heart attack
  • Usually taken once a day

How Telzen 40 works

Telmisartan relaxes and widens your blood vessels by blocking a hormone that narrows them, so your heart does not have to push as hard and your blood pressure falls.

How to take Telzen 40

Use this medicine as your doctor has directed. 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 cause a severe fall in blood pressure, with dizziness, fainting and a fast or slow pulse. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Telzen 40

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

  • Dizziness on standing up
  • Headache
  • Tiredness
  • Raised potassium
  • Dry cough

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 Telzen 40

PregnancyNot recommended in pregnancy — it may harm the developing baby. Tell your doctor at once if you are or might be pregnant.
BreastfeedingConsult your doctor before using this while breastfeeding.
AlcoholAlcohol may worsen the side effects of this medicine. Limit it.
DrivingMay cause drowsiness or affect your concentration. Do not drive until you know how it affects you.
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

Stand up slowly for the first few days — dizziness on rising is common when you start or your dose goes up. Stop and seek urgent care if your lips, tongue, face or throat swell, or you have difficulty breathing. A persistent dry, tickly cough can be caused by the ACE inhibitor group; tell your doctor rather than stopping on your own, as an alternative exists. Your doctor will check your kidney function and potassium after starting and after any dose change. Do not use salt substitutes containing potassium without asking your doctor.

Do not take Telzen if

Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Must not be used in pregnancy — it can seriously harm the developing baby. Not for people with narrowing of both kidney arteries, or a history of swelling of the face and throat caused by this group of medicines.

Interactions with other medicines

Anti-inflammatory painkillers reduce the effect and can harm the kidneys when combined. Potassium supplements, potassium-sparing water tablets and salt substitutes can push potassium too high. Lithium levels rise when taken with these medicines.

How to store Telzen 40

Store below 30°C in the original pack, away from direct sunlight and moisture. Keep out of the reach of children.

Expert advice for Telzen 40

Blood pressure medicines work only while you take them — do not stop because you feel well. Tell your doctor at once if you become pregnant or are planning a pregnancy. Keep a home blood-pressure record if your doctor has asked for one.

Manufacturer and class

Manufacturer:
ARETAEUS PHARMACEUTICALS`
Therapeutic class:
Anti-hypertensive
Drug class:
Angiotensin receptor blocker / ACE inhibitor

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Telzen 40 FAQs

What is Telzen 40 used for?
Telzen 40 is commonly used for This medicine is used in the treatment of high blood pressure, heart failure and diabetic kidney disease. 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 Telzen 40?
Telzen 40 contains Telmisartan. 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 Telzen 40?
Use this medicine as your doctor has directed. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Telzen 40 work?
Telmisartan relaxes and widens your blood vessels by blocking a hormone that narrows them, so your heart does not have to push as hard and your blood pressure falls.
Is Telzen 40 a prescription medicine?
Yes. Telzen 40 is a prescription-only (Rx) medicine. Upload a valid prescription from a registered medical practitioner during checkout. We cannot dispense it without a valid Rx.
What are the common side effects of Telzen 40?
The side effects reported most often with Telzen are Dizziness on standing up, Headache, Tiredness, Raised potassium, Dry cough. 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 Telzen 40 be taken during pregnancy?
Not recommended in pregnancy — it may harm the developing baby. Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Telzen.
Can I drink alcohol while taking Telzen 40?
Alcohol may worsen the side effects of this medicine.
What if I miss a dose of Telzen 40?
Take it as soon as you remember.
Is Telzen 40 habit forming?
No. Telzen 40 is not known to be habit forming when taken as prescribed.
How much does Telzen 40 cost on PingMeDoc Pharmacy?
Telzen 40 starts at ₹71 on PingMeDoc Pharmacy. Available in NA 10`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Telzen 40?
Telzen 40 is manufactured by ARETAEUS PHARMACEUTICALS`. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Telzen 40 delivered?
Telzen 40 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.

Telzen 40, Quick facts

Salt
Telmisartan
Best price
₹71
Prescription
Required (Rx)
Brand
ARETAEUS PHARMACEUTICALS`
Manufacturer
ARETAEUS PHARMACEUTICALS`
Therapeutic class
Anti-hypertensive
Drug class
Angiotensin receptor blocker / ACE inhibitor
Habit forming
No
Variants
NA 10`S
Delivery
Standard across India

References

The information on Telzen 40 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 Telzen 40.
  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.