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Prescription requiredAbbott Healthcare Pvt LtdCARDIAC

Ismo 20 mg Tablet

Isosorbide Mononitrate (20mg)

₹132MRP ₹1395% offIn stock
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Delivered across India, usually 8–11 days after the order is confirmed. ₹49 delivery, free above ₹999.

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Ismo 20 mg Tablet is used for treatment of Angina (heart-related chest pain).

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

Licensed pharmacyPharmacist-verified orderDelivered across India

Key details

Salt: Isosorbide Mononitrate (20mg)
Available variants: tablet 20 mg 30`S
Best price: ₹132 (₹4.39 per tablet)
MRP: ₹139
Prescription: Required
Manufacturer: ENTERO HEALTH CARE

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

Ismo 20 mg Tablet in Bangladesh

17 brands registered in Bangladesh with the same salt, strength and form.

  • A CardThe ACME Laboratories Ltd.
  • AngicureEskayef Pharmaceuticals Ltd., Tongi,Gazipur
  • AngifixIncepta Pharmaceuticals Ltd.
  • AngisorKemiko Pharmaceuticals Ltd.
  • EsmoSquare Pharmaceuticals PLC, Gazipur
  • ImocardUnimed Unihealth Pharmaceuticals Ltd.
  • ISMAristopharma Limited
  • IsocontinThe White Horse Pharmaceuticals Ltd.
  • MonateBeximco Pharmaceuticals Ltd.
  • MonitOpsonin Pharma Limited
  • MonitenAdvanced Chemical Industries PLC.
  • MonocardDrug International Ltd.
Show all 17 brands
  • Monocard-20Drug International Ltd., Gopalpur
  • MonotateSun Pharmaceutical (Bangladesh) Ltd.
  • N CardNipa Pharmaceuticals Ltd.
  • PentabidGeneral Pharmaceuticals Ltd.
  • UnicardSonear Laboratories Ltd.

Brand names differ between countries. Ask a pharmacist or your doctor in Bangladesh before switching. We don't sell or ship these brands. Source: Directorate General of Drug Administration, Bangladesh.

Same salt, lower price

Medicines with the same active ingredient and strength as Ismo 20 mg Tablet.

You are viewing

Ismo 20 mg Tablet

tablet - 20 mg - 30 S

₹132

₹4.39 per tablet

  • Isonorm 20MG Tab 10S

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  • Ihd 20MG Tab

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    ₹38

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  • Monit 20 Tab 15S

    Intas Pharmaceuticals Ltd · tablet - 20mg - 15 S · Rx

    ₹65

    ₹4.36 per tablet

Compare all substitutes
Same salt, different brand — what does that mean?

A substitute contains the same active ingredient (salt), in the same strength, as Ismo 20 mg Tablet. The medicine inside is the same — the brand name, manufacturer and price are what differ.

All medicines sold in India, branded or generic, must meet the quality standards set by the national drug regulator (CDSCO). A lower price does not mean lower quality.

Please confirm with your doctor or pharmacist before switching brands — they will check that the strength and form match your prescription.

Composition of Ismo 20 mg Tablet

Ismo 20 mg Tablet contains Isosorbide Mononitrate (20mg). It belongs to the Cardiovascular agent class of medicines.

Uses of Ismo 20 mg Tablet

Treatment of Angina (heart-related chest pain)

Benefits of Ismo 20 mg Tablet

In Heart conditions
Ismo supports the heart's rhythm, blood supply or pumping strength, depending on the condition it was prescribed for. Taken regularly, it reduces symptoms and lowers the chance of a hospital admission.
In Angina
Ismo improves the blood supply to the heart muscle or reduces its workload, so chest pain comes on less often and you can do more before it starts.
In Irregular heartbeat
Ismo helps the heart keep a regular rhythm, easing palpitations and the breathlessness or light-headedness that an uneven heartbeat causes.

How Ismo 20 mg Tablet works

Ismo 20 Tablet is a nitrate. It reduces the workload of the heart. As a result, the heart muscle does not need as much blood and oxygen supply.

How to take Ismo 20 mg Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Ismo 20 Tablet may be taken with or without food.

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

If you miss a dose of Ismo 20 Tablet, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

If you take too much

An overdose of this medicine can seriously disturb the heart's rhythm and blood pressure. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Ismo 20 mg Tablet

Most side effects of Ismo are mild and settle as the body gets used to the medicine. The ones reported most often are:

  • Headache Dizziness Increased heart rate Flushing of face Orthostatic hypotension (sudden lowering of blood pressure on standing)

Stop the medicine and get help at once 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 Ismo 20 mg Tablet

AlcoholCONSULT YOUR DOCTOR
Ask your doctor before drinking alcohol while on this medicine.
PregnancyUNSAFE
Ismo 20 Tablet may be unsafe to use during pregnancy.<br>Animal studies have shown adverse effects on the foetus, however, there are limited human studies. The benefits from use in pregnant women may be acceptable despite the risk. Please consult your doctor.
Breast feedingSAFE
Ismo 20 Tablet is probably safe to use during lactation. Limited human data suggests that the drug does not represent a significant risk to the baby.
DrivingUNSAFE
Do not drive or operate machinery while taking this medicine.
KidneyCONSULT YOUR DOCTOR
Ismo 20 Tablet is safe to use in patients with kidney disease. No dose adjustment of Ismo 20 Tablet is recommended.<br>However, talk to your doctor if you have any underlying kidney disease.
LiverCONSULT YOUR DOCTOR
Ismo 20 Tablet is probably safe to use in patients with liver disease. Limited data available suggests that dose adjustment of Ismo 20 Tablet may not be needed in these patients. Please consult your doctor.

Warnings and precautions

Do not stop or change the dose of a heart medicine on your own. Report fainting, a very slow or very fast pulse, or new breathlessness. Keep every follow-up appointment — most of these medicines need periodic blood tests or an ECG.

Do not take Ismo if

Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Your doctor will check that this is suitable for your particular heart condition.

Interactions with other medicines

Heart medicines interact widely. Tell your doctor and pharmacist about everything you take, including herbal products.

How to store Ismo 20 mg Tablet

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

Quick tips for Ismo 20 mg Tablet

  • Take Ismo 20 Tablet exactly as prescribed and at the same time each day to maintain its effectiveness and reduce tolerance.
  • Ismo 20 Tablet may cause dizziness or light-headedness, so avoid driving or operating machinery until you know how it affects you.
  • Stand up slowly from sitting or lying positions, as this medicine may cause a drop in blood pressure and dizziness.
  • Avoid alcohol while taking Ismo 20 Tablet, as it may increase dizziness or light-headedness.
  • Headache is a common side effect when starting Ismo 20 Tablet, and it usually improves with continued use; inform your doctor if it becomes severe or persistent.
  • Do not take medicines for erectile dysfunction (such as sildenafil or tadalafil) while using Ismo 20 Tablet, as this combination can cause a dangerous drop in blood pressure.
  • Ismo 20 Tablet is usually used to prevent angina attacks and not for immediate relief; seek urgent medical attention if you develop sudden or severe chest pain.
  • Follow the prescribed dosing schedule carefully, as tolerance to nitrates may develop if dosing instructions are not followed properly.

Manufacturer and class

Manufacturer:
ENTERO HEALTH CARE
Therapeutic class:
CARDIAC
Drug class:
Cardiovascular agent
Chemical class:
Isosorbides

Substitutes for Ismo 20 mg Tablet

Medicines with the same active ingredient (Isosorbide Mononitrate (20mg)). Ask your doctor or pharmacist before switching brands.

MedicinePackPricevs Ismo 20 mg Tablet
Isonorm 20 mg TabletLUPIN LABtablet · 10`S₹3177% cheaper
Ihd 20 mg TabletSTADMED (P) LTDtablet · 10`S₹3871% cheaper
Monit 20 TabletIntas Pharmaceuticals Ltdtablet · 15`S₹6550% cheaper
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Ismo 20 mg Tablet FAQs

What is Ismo 20 mg Tablet used for?
Ismo 20 mg Tablet is commonly used for Treatment of Angina (heart-related chest pain). Always follow your doctor's advice, this information is for educational purposes and not a substitute for professional medical guidance.
What are the benefits of Ismo 20 mg Tablet?
Heart conditions: Ismo supports the heart's rhythm, blood supply or pumping strength, depending on the condition it was prescribed for. Taken regularly, it reduces symptoms and lowers the chance of a hospital admission. It is also used for angina, irregular heartbeat.
What is the salt in Ismo 20 mg Tablet?
Ismo 20 mg Tablet contains Isosorbide Mononitrate (20mg). 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 Ismo 20 mg Tablet?
Take this medicine in the dose and duration as advised by your doctor. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Ismo 20 mg Tablet work?
Ismo 20 Tablet is a nitrate.
Is Ismo 20 mg Tablet a prescription medicine?
Yes. Ismo 20 mg Tablet 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 Ismo 20 mg Tablet?
The side effects reported most often with Ismo are Headache Dizziness Increased heart rate Flushing of face Orthostatic hypotension (sudden lowering of blood pressure on standing). 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 Ismo 20 mg Tablet be taken during pregnancy?
Ismo 20 mg Tablet is not recommended in pregnancy. Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Ismo.
Can I drink alcohol while taking Ismo 20 mg Tablet?
Ask your doctor before drinking alcohol while on Ismo 20 mg Tablet.
What if I miss a dose of Ismo 20 mg Tablet?
If you miss a dose of Ismo 20 Tablet, take it as soon as possible.
Is Ismo 20 mg Tablet habit forming?
No. Ismo 20 mg Tablet is not known to be habit forming when taken as prescribed.
Is there a cheaper substitute for Ismo 20 mg Tablet?
Isonorm 20 mg Tablet has the same active ingredient and strength and is listed from ₹31 on PingMeDoc Pharmacy. Ask your doctor or pharmacist before switching brands, the salt is the same, but excipients and release profiles can differ.
How much does Ismo 20 mg Tablet cost on PingMeDoc Pharmacy?
Ismo 20 mg Tablet starts at ₹132 (MRP ₹139) on PingMeDoc Pharmacy. Available in tablet 20 mg 30`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Ismo 20 mg Tablet?
Ismo 20 mg Tablet is manufactured by ENTERO HEALTH CARE. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Ismo 20 mg Tablet delivered?
Ismo 20 mg Tablet 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.

Ismo 20 mg Tablet, Quick facts

Salt
Isosorbide Mononitrate (20mg)
Form
tablet
Best price
₹132 (₹4.39 per tablet)
MRP
₹139
Prescription
Required (Rx)
Schedule
Schedule H
Brand
Abbott Healthcare Pvt Ltd
Manufacturer
ENTERO HEALTH CARE
Therapeutic class
CARDIAC
Drug class
Cardiovascular agent
Chemical class
Isosorbides
Action class
Nitric Oxide (NO) Donors
Habit forming
No
Variants
tablet 20 mg 30`S
Delivery
Standard across India

References

Compiled from the manufacturer's prescribing information and the sources below, and reviewed by a registered pharmacist. It does not replace your own doctor's advice.

  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 Ismo 20 mg Tablet.
  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.