Zeltel H 40mg/12.5mg Tablet

by Zelnic Biotech Pvt Ltd · Tablet Rx
Generic Name Hydrochlorothiazide and Telmisartan
Drug Class Antihypertensive
Route Oral
Habit Forming No
Prescription Required (Rx)
Strengths 40mg/12.5mg
MRP
₹82.00
strip of 10 tablets

About Zeltel H 40mg/12.5mg Tablet

Zeltel H 40mg/12.5mg Tablet is a combination medication used to treat high blood pressure (hypertension). It contains two active ingredients: Telmisartan, which helps relax blood vessels, and Hydrochlorothiazide, which helps the body get rid of excess salt and water. This medicine is prescribed for adults who need help managing their blood pressure to reduce the risk of heart problems and strokes.

Clinical Uses

  • Hypertension — Used to lower high blood pressure.

Uses & Indications

Primary Uses

  • Hypertension — Helps in managing high blood pressure.

Secondary Uses

  • Heart Protection — Reduces the risk of heart disease and stroke.

How It Works (Mechanism of Action)

Zeltel H works by combining two different actions. Telmisartan relaxes blood vessels, making it easier for blood to flow. Hydrochlorothiazide helps the kidneys remove excess salt and water, which lowers blood pressure. Together, they help to keep blood pressure in a healthy range.

The scientific mechanism involves Telmisartan blocking the action of angiotensin II, a substance that narrows blood vessels. This leads to dilation of blood vessels. Hydrochlorothiazide works by inhibiting sodium reabsorption in the kidneys, promoting diuresis (increased urine production) and reducing blood volume, which helps lower blood pressure.

Key Benefits

  • Effective Blood Pressure Control — Helps maintain normal blood pressure levels.
  • Reduces Risk of Heart Issues — Lowers the chance of heart attacks and strokes.
  • Improves Heart Function — Helps the heart work more efficiently.

How Long Does It Take to Work?

You may start to feel the effects of Zeltel H within a few hours, but it may take several weeks to see the full benefits. It is important to continue taking the medication as prescribed. If you do not notice any improvement after a few weeks, consult your doctor.

How to Use

Take the tablet with a glass of water.

It can be taken with or without food.

Take it at the same time each day for best results.

Do not crush or chew the tablet.

Follow your doctor's instructions regarding dosage.

Dosage Guidelines

Adult Dose

Typically, one tablet daily.

Pediatric Dose

Not recommended for children.

Elderly

Dosage may need adjustment based on kidney function.

Administration Instructions

Take as directed by your healthcare provider.

Missed Dose

If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose. Do not take two doses at the same time.

Overdose Warning

Symptoms of overdose may include severe dizziness, fainting, or rapid heartbeat. If you suspect an overdose, seek immediate medical help or call poison control.

Side Effects

Common Side Effects

Dizziness

Headache

Fatigue

Less Common Side Effects

Dry mouth

Nausea

Serious Side Effects

Severe allergic reactions

Kidney problems

When to Seek Immediate Medical Attention

If you experience chest pain, severe dizziness, or signs of an allergic reaction, seek medical help right away.

Contraindications — Who Should Not Use This Medicine

  • Allergy to Ingredients — Do not use if allergic to Hydrochlorothiazide or Telmisartan.
  • Severe Kidney Disease — Not suitable for patients with severe renal impairment.
  • Pregnancy — Should not be used during pregnancy.

Warnings & Precautions

🤰 Pregnancy
Zeltel H is not recommended during pregnancy as it may harm the unborn baby. Consult your doctor if you are pregnant or planning to become pregnant.
🤱 Breastfeeding
It is not known if Zeltel H passes into breast milk. Consult your doctor before using it while breastfeeding.
👶 Children
Zeltel H is not recommended for children. Consult a pediatrician for suitable alternatives.
🧓 Elderly
Elderly patients may require dose adjustments due to potential kidney issues. Regular monitoring is advised.
🫘 Kidney Disease
Use with caution in patients with kidney impairment. Dose adjustments may be necessary based on kidney function.
🫁 Liver Disease
Use with caution in patients with liver impairment. Monitoring liver function is recommended.
💉 Diabetes
Patients with diabetes should monitor their blood sugar levels regularly while taking this medication.
🍷 Alcohol
Avoid alcohol while taking Zeltel H as it may increase the risk of side effects like dizziness.
🚗 Driving
Zeltel H may cause dizziness, so be cautious when driving or operating machinery.

Drug Interactions

Drug-Drug Interactions

Avoid using with other blood pressure medications without consulting your doctor.

May interact with diuretics and potassium supplements.

Food Interactions

High-salt foods may reduce the effectiveness of Hydrochlorothiazide.

Alcohol Interactions

Alcohol can enhance side effects like dizziness and lightheadedness.

Disease Interactions

Use with caution in patients with kidney or liver disease.

Storage Instructions

Store at room temperature.

Keep away from moisture.

Protect from light.

Keep out of reach of children.

Check expiry date before use.

Expert Advice

Clinical Tips

Take the medication exactly as prescribed.

Do not stop taking it without consulting your doctor.

Monitor your blood pressure regularly.

Stay hydrated, especially in hot weather.

Inform your doctor about any other medications you are taking.

Attend regular check-ups to monitor kidney function.

Maintain a healthy diet low in salt.

Substitute Medicines

Same composition, different brands. Always consult your doctor before switching.

Sources

Last Updated22 Jun 2026
Content Generated22 Jun 2026
⚕️ Medical Disclaimer This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your doctor or pharmacist before starting, stopping, or changing any medication. Prices shown are indicative MRP and may vary.
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