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Sun Pharma - Capsule - 15 S
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Telmisartan (40mg) + Metoprolol (25mg) + Chlorthalidone (12.5mg)
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Metosartan Ch 25 Tablet is used for this medicine is used in the treatment of high blood pressure, heart failure, diabetic kidney disease, angina, irregular heartbeat and fluid retention.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026
Metosartan Ch 25 Tablet contains Telmisartan (40mg) + Metoprolol (25mg) + Chlorthalidone (12.5mg). It belongs to the Angiotensin receptor blocker / ACE inhibitor, Beta blocker and Water tablet class of medicines.
This medicine combines 3 active ingredients: Telmisartan, Metoprolol and Chlorthalidone. 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. Metoprolol slows the heart and reduces the force of each beat by blocking the effect of adrenaline, so the heart works less hard and uses less oxygen. Chlorthalidone helps your kidneys remove surplus salt and water, which reduces swelling and lowers blood pressure.
Swallow the tablet whole with a glass of water. Do not chew, crush or break it unless your doctor has told you to. Take it with or without food, at the same time each day. Taking it at about the same time each day helps you remember. 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.
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.
An overdose of this medicine can cause a severe fall in blood pressure, with dizziness, fainting and a fast or slow pulse. It can cause a dangerously slow heartbeat, a severe fall in blood pressure, wheezing and fits. It can cause severe dehydration, a sharp fall in blood pressure and dangerous salt imbalances. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.
Most side effects of Metosartan Ch are mild and settle as the body adjusts. Reported side effects include:
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.
| Pregnancy | Not recommended in pregnancy — it may harm the developing baby. Tell your doctor at once if you are or might be pregnant. |
|---|---|
| Breastfeeding | Consult your doctor before using this while breastfeeding. |
| Alcohol | Alcohol may worsen the side effects of this medicine. Limit it. |
| Driving | May cause drowsiness or affect your concentration. Do not drive until you know how it affects you. |
| Kidney | Consult your doctor if you have kidney disease. |
| Liver | Consult your doctor if you have liver disease. |
| Habit forming | No |
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. Never stop this medicine suddenly. Stopping abruptly can cause a sharp rise in blood pressure, worsening chest pain or a heart attack — your doctor will reduce it gradually. Tell your doctor if you have asthma or long-standing lung disease; this group can tighten the airways. If you have diabetes, be aware that this medicine can mask the early warning signs of low blood sugar, apart from sweating. Report a resting pulse that is persistently very slow, or fainting. Take it in the morning so that passing urine does not disturb your sleep. Your doctor will check your salts and kidney function with blood tests — do not skip them. Report muscle cramps, marked weakness, confusion or an irregular heartbeat; these can be signs your potassium or sodium has fallen. In hot weather or during an illness with vomiting or loose motions, tell your doctor — you may become dehydrated quickly.
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. Not for people with a very slow heart rate, certain heart block disorders, or uncontrolled heart failure. Generally avoided in severe asthma. Not for people who are unable to pass urine, or who are severely dehydrated.
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. Combining with verapamil or diltiazem can slow the heart dangerously. Tell your doctor about diabetes medicines and about any asthma inhaler. Anti-inflammatory painkillers blunt the effect and can strain the kidneys. Lithium and digoxin levels are affected; tell your doctor if you take either. Potassium-sparing types must not be combined with potassium supplements without supervision.
Store below 30°C in the original pack, away from direct sunlight and moisture. Keep out of the reach of children.
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. Take it at the same time each day and do not miss doses. Learn to check your own pulse, and report a persistently slow one. Weigh yourself at the same time each day if you have heart failure, and report a rapid gain. Do not add extra salt, and ask before using a potassium-based salt substitute.

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The information on Metosartan Ch 25 Tablet 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.