ismo retard tablet er - Isosorbide Mononitrate (40mg) medicine

Ismo Retard Tablet ER: Complete Medicine Guide

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🏭 Abbott 📦 Varies by brand 💊 Allopathy 📅 Updated: Sep 25, 2026
📋 Prescription Required 💊 Generic Available
Medically Reviewed
12 min read
Evidence: Well-established for angina prophylaxis
Reviewed by
SaathiMed Expert Panel | Sep 25, 2026
🩺
Medically Fact-Checked & Clinically Verified by SaathiMed Clinical Review Board
Clinical Reference Standards: CDSCO (Central Drugs Standard Control Organisation), Indian Pharmacopoeia (IP) & WHO | Last Updated: September 2026

When to Call Your Doctor IMMEDIATELY

  • Severe dizziness or fainting
  • Chest pain that is different from usual angina or lasts longer than 15 minutes
  • Difficulty breathing or shortness of breath
  • Bluish discoloration of lips, skin, or nails
  • Swelling of the face, lips, tongue, or throat
  • Very slow or very fast heartbeat
  • Sudden severe headache with vision changes
  • Confusion or unusual weakness

If experiencing severe symptoms, call emergency services immediately.

What is ismo retard tablet er used for?

This medicine is an extended-release tablet containing Isosorbide Mononitrate 40 mg. It is used to prevent angina attacks in people with coronary artery disease. It works by relaxing blood vessels, reducing the heart's workload, and improving blood flow to the heart. It is not for immediate relief of an acute angina attack. Take it once daily as prescribed, swallow it whole, and do not stop it suddenly without consulting your doctor.

  • Generic Name: Isosorbide Mononitrate (40mg)
  • Manufacturer: Abbott
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 ismo retard tablet er के बारे में (Hindi Summary)

उपयोग: यह दवा मुख्य रूप से एंजाइना पेक्टोरिस (सीने में दर्द) को रोकने के लिए इस्तेमाल की जाती है। यह कोरोनरी धमनी रोग वाले मरीजों में दिल के दौरे से बचाव में मदद करती है। यह रक्त वाहिकाओं को फैलाकर दिल पर दबाव कम करती है और दिल तक ऑक्सीजन की आपूर्ति बढ़ाती है। यह दवा तीव्र एंजाइना हमले के इलाज के लिए नहीं है, बल्कि इससे बचाव के लिए है। इसे डॉक्टर की सलाह के अनुसार रोज एक बार लें। गोली को चबाएं या तोड़ें नहीं, पूरा निगलें। शराब के साथ इसका सेवन न करें। अचानक दवा बंद न करें।

साइड इफेक्ट्स: इस दवा के सामान्य दुष्प्रभावों में सिरदर्द, चक्कर आना, चेहरे पर गर्मी लगना और ब्लड प्रेशर कम होना शामिल हैं। सिरदर्द शुरुआत में आम है और धीरे-धीरे कम हो जाता है। कुछ मरीजों को मतली, उल्टी, धड़कन तेज होना या बेहोशी भी हो सकती है। गंभीर दुष्प्रभाव दुर्लभ हैं, लेकिन अगर आपको बहुत ज्यादा चक्कर आए, बेहोशी हो, सांस लेने में तकलीफ हो, या चेहरे, होंठ या गले में सूजन आए, तो तुरंत डॉक्टर से मिलें।

सुरक्षा सलाह: इस दवा को डॉक्टर के बताए अनुसार ही लें। आमतौर पर इसे सुबह एक बार लिया जाता है। गोली को पानी के साथ पूरा निगलें, चबाएं या तोड़ें नहीं। सिल्डेनाफिल, टैडालाफिल या वार्डेनाफिल जैसी दवाओं के साथ इसका सेवन बिल्कुल न करें, क्योंकि इससे ब्लड प्रेशर खतरनाक रूप से कम हो सकता है। शराब से बचें। बैठने या लेटने से उठते समय धीरे-धीरे उठें। डॉक्टर की सलाह के बिना दवा अचानक बंद न करें। नियमित रूप से ब्लड प्रेशर और दिल की जांच कराते रहें।

💡 Did You Know? Over 80% of the antiretroviral drugs used globally to combat AIDS are supplied by Indian pharmaceutical companies.

💊 ismo retard tablet er Uses & Benefits

  • [{"condition":"Chronic stable angina pectoris","description":"This medicine is used for long-term prevention of angina attacks in patients with coronary artery disease.
  • It reduces the frequency and severity of chest pain by decreasing cardiac workload and improving coronary blood flow.","evidence":"Well-established"},{"condition":"Angina prophylaxis in patients with ischemic heart disease","description":"This medicine helps prevent exercise-induced and stress-induced angina when taken regularly.
  • It is not intended for immediate relief of an acute attack.","evidence":"Well-established"},{"condition":"Adjunctive therapy in chronic heart failure","description":"In selected patients with chronic heart failure, nitrate therapy may be used as part of a broader treatment plan under specialist supervision.
  • It is not a first-line treatment for heart failure.","evidence":"Limited"}]

Off-label uses: [{"condition":"Esophageal spasm","description":"Nitrates may be used off-label to relax esophageal smooth muscle in patients with spastic esophageal disorders, but this is not a standard first-line use.","evidence":"Limited"},{"condition":"Raynaud's phenomenon","description":"Occasionally used off-label for vasospastic conditions such as Raynaud's phenomenon, though evidence is limited and other treatments are preferred.","evidence":"Limited"}]

Primary treatment for: Chronic stable angina pectoris

Also treats: Ischemic heart disease, Chronic heart failure (adjunctive)

📋 Drug Information

Generic Name(s)Isosorbide Mononitrate (40mg)
Brand Nameismo retard tablet er
ManufacturerAbbott
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassCARDIAC
Action ClassNO Donors
Route of AdministrationOral
StorageStore this medicine at room temperature between 15°C and 30°C (59°F and 86°F). Keep it away from moisture, heat, and direct sunlight. Do not store it in the bathroom. Keep it in the original container, tightly closed. Keep out of reach of children and pets.
Shelf LifeThe shelf life of this medicine is typically 24 months from the date of manufacture, but it may vary. Check the expiry date on the packaging. Do not use it after the expiry date.
WHO GuidelineNot established from the available information.
ICMR GuidelineNot established from the available information.

👨‍⚕️ Doctor's Practical Tips

Evidence-based practical advice from experienced clinicians

1
Take this medicine at the same time each morning to maintain consistent blood levels and reduce tolerance.
2
Swallow the extended-release tablet whole; crushing or chewing can cause a sudden drop in blood pressure.
3
Advise patients to rise slowly from sitting or lying positions to prevent dizziness and falls.
4
Warn patients never to combine this medicine with phosphodiesterase-5 inhibitors such as sildenafil, tadalafil, or vardenafil.
5
Recommend a nitrate-free interval of 10 to 12 hours to prevent tolerance and maintain efficacy.
6
Monitor blood pressure and heart rate regularly, especially when starting treatment or adjusting the dose.
7
Instruct patients not to stop the medicine suddenly, as this can precipitate angina or a heart attack.
8
Ask about alcohol consumption and advise avoidance to prevent severe hypotension.
9
Consider alternative anti-anginal therapy if the patient develops intolerable headaches.
10
Document the patient's angina frequency and severity at each visit to assess treatment response.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

✅
Chest pain on exertion
This medicine is commonly prescribed to prevent angina attacks triggered by physical activity or stress.
Likely Use
❌
Acute angina attack
This medicine is not for immediate relief of an acute attack. Use fast-acting nitroglycerin as prescribed.
Not Primary
❌
High blood pressure
This medicine is not a primary treatment for high blood pressure, though it may lower blood pressure.
Not Primary
❌
Heart failure
This medicine may be used as an adjunct in selected patients with heart failure, but it is not a first-line treatment.
Not Primary

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionThis medicine is well absorbed from the gastrointestinal tract after oral administration. The extended-release formulation slows the release of the active ingredient, which helps maintain more stable blood levels and allows once-daily dosing. Food may slightly affect the rate but not the extent of absorption.
DistributionThis medicine is widely distributed in the body. It is not extensively bound to plasma proteins. The volume of distribution is not well established from the available information.
Protein BindingIsosorbide mononitrate is not significantly bound to plasma proteins. The exact percentage is not established from the available information.
MetabolismThis medicine is metabolized in the liver, primarily by denitration and glucuronidation. It does not undergo significant first-pass metabolism because it is already the active mononitrate metabolite of isosorbide dinitrate. The metabolites are largely inactive.
Half-LifeThe elimination half-life of isosorbide mononitrate is approximately 4 to 5 hours. The extended-release formulation provides a longer apparent half-life due to slow absorption.
ExcretionThis medicine and its metabolites are mainly excreted by the kidneys. A small amount may be excreted in feces. Renal impairment may prolong the elimination of the drug and its metabolites.
BioavailabilityThe oral bioavailability of isosorbide mononitrate is nearly 100% because it avoids first-pass metabolism. The extended-release formulation provides a bioavailability similar to that of immediate-release formulations.
Onset of ActionThe onset of action of this extended-release tablet is gradual, typically within 30 to 60 minutes after oral administration. It is not intended for immediate relief of acute angina.
Peak Plasma TimeThe peak plasma concentration of this extended-release formulation is usually reached within 2 to 4 hours after oral administration. Food may delay the peak slightly.
Duration of ActionThe duration of action of this extended-release tablet is approximately 12 to 24 hours, depending on the individual patient and the dose. A nitrate-free interval of 10 to 12 hours is recommended to prevent tolerance.

How It Works

This medicine works by releasing nitric oxide, which activates guanylate cyclase in vascular smooth muscle cells. This leads to increased cyclic guanosine monophosphate, relaxation of smooth muscle, and vasodilation. The result is reduced preload and afterload on the heart, decreased myocardial oxygen demand, and improved coronary blood flow. The extended-release formulation provides a prolonged effect while allowing a nitrate-free interval to reduce tolerance.

Mechanism Steps

1
Nitric oxide release: This medicine releases nitric oxide in vascular smooth muscle cells after metabolic activation.
2
Guanylate cyclase activation: Nitric oxide binds to and activates the enzyme guanylate cyclase.
3
Increased cyclic GMP: Activation of guanylate cyclase increases the production of cyclic guanosine monophosphate.
4
Smooth muscle relaxation: Increased cyclic GMP leads to relaxation of vascular smooth muscle.
5
Vasodilation and reduced cardiac workload: Relaxation of veins and arteries reduces preload and afterload, decreasing myocardial oxygen demand and helping prevent angina.

💡 How to Take ismo retard tablet er

Strength: Extended-release tablet, 40 mg

1Take this medicine exactly as prescribed by your doctor.
2Swallow the extended-release tablet whole with a glass of water.
3Do not crush, chew, or split the tablet, as this can release the entire dose at once and cause severe hypotension.
4Take it at the same time each day, preferably in the morning.
5You may take it with or without food, but be consistent.
6Do not take it with alcohol.
7If you miss a dose, follow the missed dose instructions.
8Do not stop taking this medicine without consulting your doctor.

Dosage Information

Adult DosageThe usual adult dose of this medicine is one 40 mg extended-release tablet taken orally once daily, preferably in the morning. The dose may be adjusted by your doctor based on your response and tolerance. A nitrate-free interval of 10 to 12 hours is recommended to prevent tolerance. Dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function. Do not crush, chew, or split the tablet. Swallow it whole with water.
Pediatric DosagePediatric dosing is not established from available information. Consult a pediatrician.
Elderly DosageElderly patients may be more sensitive to the blood pressure-lowering effects of this medicine. Start with a lower dose and monitor blood pressure closely. Dose must be individualized by a qualified clinician based on renal and hepatic function and overall health status.
Renal ImpairmentNo specific dose adjustment is established for patients with mild to moderate renal impairment. In severe renal impairment, this medicine should be used with caution and the dose may need to be reduced. Consult your doctor for individualized dosing.
Hepatic ImpairmentNo specific dose adjustment is established for patients with mild to moderate hepatic impairment. In severe hepatic impairment, this medicine should be used with caution and the dose may need to be reduced. Consult your doctor for individualized dosing.
Maximum Daily DoseThe maximum recommended daily dose of this medicine is 40 mg to 120 mg once daily, depending on the formulation and clinical response. For this 40 mg extended-release tablet, the maximum daily dose is typically 40 mg to 80 mg once daily, but it must be individualized by a qualified clinician. Do not exceed the dose prescribed by your doctor.

Dosage Timeline

🌅 Morning ❌ ☀️ Afternoon ❌ 🌆 Evening ❌ 🌙 Night ❌

🍽️ Food Timing Guide

With or without food
Take consistently
Food may slightly delay absorption but does not significantly affect the overall effect. Take it at the same time each day relative to meals.
Grapefruit
Avoid or limit
Grapefruit juice may increase the blood levels of some nitrates and enhance their effects, potentially causing low blood pressure.
Alcohol
Avoid
Alcohol can increase the blood pressure-lowering effect and cause severe dizziness or fainting.

⏰ What to Do If You Miss a Dose

📌 Less than half the dosing interval has passed
→ Take the missed dose as soon as you remember.
💡 Continue with the regular schedule.
📌 More than half the dosing interval has passed
→ Skip the missed dose.
💡 Do not double dose to catch up.
📌 You are unsure what to do
→ Consult your doctor or pharmacist.
💡 Do not take extra doses without medical advice.

⚠️ Side Effects of ismo retard tablet er

✅ Common Side Effects

Headache (Common (10-30%))
Headache is common when starting treatment and often improves with continued use. If it persists or is severe, consult your doctor. Do not stop the medicine on your own.
Dizziness (Common (5-15%))
Rise slowly from sitting or lying positions. Avoid driving or operating machinery if you feel dizzy. Consult your doctor if dizziness is persistent or severe.
Flushing (Common (5-10%))
Flushing usually subsides with continued use. If it bothers you, discuss with your doctor.
Lightheadedness (Common (5-10%))
Avoid sudden changes in posture. Stay hydrated. Consult your doctor if symptoms persist.
Nausea (Uncommon (1-5%))
Take the medicine with food if nausea occurs. If nausea is severe or persistent, contact your doctor.

🚨 Serious Side Effects

Severe hypotension (Rare (<0.1%))
Seek immediate medical attention if you experience fainting, severe dizziness, or a sudden drop in blood pressure.
Syncope (Rare (<0.1%))
Lie down and elevate your legs if you feel faint. Seek emergency care if you lose consciousness.
Methemoglobinemia (Very rare (<0.01%))
Seek immediate medical attention if you notice bluish discoloration of lips, skin, or nails, shortness of breath, or confusion.
Severe allergic reaction (Very rare (<0.01%))
Seek emergency care if you develop swelling of the face, lips, tongue, or throat, difficulty breathing, or a severe rash.

⚠️ Rare Side Effects

Exfoliative dermatitis
Seek immediate medical attention if you develop widespread skin peeling, redness, or blistering.
Blurred vision
Consult your doctor if vision changes occur. Do not drive until vision is clear.
Bradycardia
Seek medical attention if you experience a very slow heartbeat, weakness, or fainting.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
Sildenafil Major
Tadalafil Major
Vardenafil Major
Riociguat Major
Alcohol Major
Beta-blockers Moderate
Calcium channel blockers Moderate
Tricyclic antidepressants Moderate
Ergot alkaloids Moderate
NSAIDs Minor

🚨 Major Interactions

  • Phosphodiesterase-5 inhibitors (sildenafil, tadalafil, vardenafil)
  • Riociguat
  • Alcohol

⚡ Moderate Interactions

  • Antihypertensive drugs (beta-blockers, calcium channel blockers, ACE inhibitors, ARBs, diuretics)
  • Tricyclic antidepressants
  • Ergot alkaloids

🍷 Alcohol Interaction

Alcohol should be avoided while taking this medicine. Alcohol can increase the blood pressure-lowering effect of nitrates, leading to severe dizziness, fainting, and falls. It can also worsen headache and flushing. If you consume alcohol, discuss safe limits with your doctor.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Known hypersensitivity or allergy to isosorbide mononitrate or other nitrates","Concurrent use of phosphodiesterase-5 inhibitors such as sildenafil, tadalafil, or vardenafil","Concurrent use of riociguat","Severe hypotension (systolic blood pressure less than 90 mmHg)","Severe anemia","Increased intracranial pressure","Acute heart failure with low filling pressures","Cardiogenic shock","Constrictive pericarditis","Hypertrophic obstructive cardiomyopathy"]

⚠️ Warnings & Precautions

["This medicine may cause severe hypotension, especially when starting treatment or increasing the dose. Rise slowly from sitting or lying positions.","Do not use this medicine to relieve an acute angina attack. It is for prevention only.","Tolerance to the effects of this medicine can develop with continuous use. A nitrate-free interval of 10 to 12 hours is recommended.","Avoid alcohol while taking this medicine, as it can increase dizziness and low blood pressure.","Do not stop this medicine suddenly without consulting your doctor, as this can worsen angina.","Use with caution in patients with glaucoma, as nitrates may increase intraocular pressure.","Use with caution in patients with severe liver or kidney disease.","Inform your doctor if you are pregnant, planning to become pregnant, or breastfeeding.","Keep this medicine out of reach of children.","Do not share this medicine with others, even if they have similar symptoms."]

🤱 Lactation Safety

It is not known whether isosorbide mononitrate is excreted in human breast milk. Because many drugs are excreted in human milk, caution should be exercised when this medicine is administered to a breastfeeding woman. Consult your doctor before breastfeeding while taking this medicine.

💊 Overdose Management

Overdose of this medicine can cause severe hypotension, throbbing headache, dizziness, palpitations, visual disturbances, and methemoglobinemia. If you suspect an overdose, seek emergency medical attention immediately. Treatment is supportive and may include intravenous fluids, vasopressors, and methylene blue for methemoglobinemia. Do not try to treat yourself at home.

⏰ Missed Dose

If you miss a dose of this medicine, take it as soon as you remember, unless it is almost time for your next dose. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not take a double dose to make up for a missed one. If you are unsure, consult your doctor or pharmacist.

Additional Safety Advice

General Safety

Take this medicine exactly as prescribed by your doctor, usually once daily in the morning. Swallow the extended-release tablet whole with a glass of water; do not crush, chew, or split it. Do not take this medicine with phosphodiesterase-5 inhibitors such as sildenafil, tadalafil, or vardenafil, because the combination can cause a dangerous drop in blood pressure. Avoid alcohol while taking this medicine, as it can increase dizziness and low blood pressure. Rise slowly from sitting or lying positions to prevent falls. Do not stop this medicine suddenly without consulting your doctor, because sudden withdrawal can worsen angina. Keep all follow-up appointments and report any new or worsening symptoms. Store this medicine at room temperature away from moisture and heat. Keep it out of reach of children. If you miss a dose, follow your doctor's instructions; do not double the dose. Inform all healthcare providers, including dentists, that you are taking this medicine.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Elderly patients may be more sensitive to the blood pressure-lowering effects of this medicine. They are at higher risk of dizziness, falls, and fainting. Start with a lower dose and monitor blood pressure closely. Ensure adequate hydration and advise rising slowly from sitting or lying positions. Regular follow-up is important to adjust the dose as needed.

🤰 Pregnancy Planning (TTC)

If you are planning to become pregnant, consult your doctor before taking this medicine. The use of this medicine during pregnancy should be considered only if clearly needed. Your doctor may switch you to a safer alternative if appropriate. Do not start or stop any medicine without medical advice.

🏥 Post-Surgery Considerations

Inform your surgeon and anesthesiologist that you are taking this medicine before any surgery. It may interact with anesthetic agents and cause low blood pressure during surgery. Your doctor may advise you to stop the medicine temporarily before surgery. Do not stop it on your own without consulting your doctor.

🦷 Dental Procedures

Inform your dentist that you are taking this medicine before any dental procedure. It may cause dizziness or low blood pressure during dental work. Your dentist may take precautions such as monitoring your blood pressure. Do not stop the medicine without consulting your doctor.

💚 Lifestyle Tips for Better Results

🏃
Maintain a healthy weight to reduce the workload on your heart.
🥗
Engage in regular low-impact exercise such as walking or swimming, as advised by your doctor.
😴
Avoid smoking, as it worsens heart disease and reduces the effectiveness of treatment.
💧
Eat a heart-healthy diet rich in fruits, vegetables, whole grains, and lean proteins.
🧘
Manage stress through relaxation techniques, yoga, or meditation.
🌞
Get adequate sleep and maintain a regular sleep schedule.
🚭
Limit alcohol intake and avoid binge drinking.
🥑
Monitor your blood pressure regularly at home if advised.

🏋️ Exercise Considerations

You can exercise while taking this medicine, but avoid sudden strenuous activity, especially in hot weather, as it can increase the risk of dizziness and low blood pressure. Warm up gradually and cool down slowly. If you experience chest pain, dizziness, or shortness of breath during exercise, stop immediately and seek medical attention. Consult your doctor before starting any new exercise program.

🥗 Diet Recommendations

Include omega-3 rich foods such as fish, flaxseeds, and walnuts.
Reduce intake of processed foods, trans fats, and excessive salt.
Eat plenty of fruits, vegetables, and whole grains.
Stay well hydrated throughout the day.
Limit caffeine if it triggers palpitations or anxiety.
Avoid grapefruit juice as it may interact with this medicine.

💼 Impact on Daily Work & Life

This medicine may cause dizziness or lightheadedness, especially when you first start taking it or when the dose is increased. Avoid driving or operating heavy machinery until you know how this medicine affects you. If you feel dizzy, sit or lie down until the feeling passes. Most people can continue their normal daily activities with appropriate precautions. Inform your employer if your job involves operating machinery or driving.

🛑 When to Stop This Medicine

Do not stop taking this medicine without consulting your doctor. If you experience severe side effects such as fainting, severe dizziness, or allergic reactions, seek immediate medical attention. Your doctor may adjust the dose or switch you to a different medicine if needed. Sudden withdrawal can cause worsening angina or a heart attack.

📅 Long-Term Use Effects

Long-term use of this medicine can lead to tolerance, where the effect diminishes over time. To prevent this, a nitrate-free interval of 10 to 12 hours is recommended. Regular monitoring of blood pressure, heart rate, and angina frequency is important. Long-term use does not cause kidney or liver damage in most patients, but periodic monitoring may be advised if you have pre-existing kidney or liver disease. Do not stop the medicine suddenly, as this can worsen angina.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Beta-blockers

Another class of medicines used for angina prophylaxis. They reduce heart rate and blood pressure, decreasing myocardial oxygen demand.

Evidence: Well-established
Calcium channel blockers

These medicines relax blood vessels and reduce heart rate, helping prevent angina attacks.

Evidence: Well-established
Ranolazine

A different class of anti-anginal medicine used when other treatments are not effective or not tolerated.

Evidence: Well-established
Lifestyle modifications

Regular exercise, heart-healthy diet, smoking cessation, and stress management can complement medical therapy.

Evidence: Well-established

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

There are no known interactions between this medicine and vaccines. However, if you are scheduled for vaccination, inform your healthcare provider about all medicines you are taking. Continue taking this medicine as prescribed unless your doctor advises otherwise.

📦 Storage Guide

✅ DO

Store at room temperature (15-30°C)

❌ DON'T

Do not refrigerate unless specified

✅ DO

Keep in original container

❌ DON'T

Do not transfer to unmarked containers

✅ DO

Keep away from direct sunlight

❌ DON'T

Do not store in bathroom cabinet

✅ DO

Keep out of reach of children

❌ DON'T

Do not use after expiry date

✈️ Traveling with This Medicine

When traveling, carry this medicine in its original packaging with the prescription label clearly visible. Bring a copy of your prescription or a letter from your doctor, especially for international travel. Keep the medicine in your carry-on luggage to avoid loss or temperature extremes. Store it at room temperature and away from direct sunlight. If crossing time zones, consult your doctor about how to adjust the timing of your dose. Do not pack it in checked baggage. Check customs regulations for your destination regarding prescription medicines.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 58-year-old man with chronic stable angina
He was prescribed this medicine once daily in the morning. Initially, he experienced mild headaches, which improved after a week. He was advised to take it at the same time each day and to avoid alcohol. His angina attacks reduced significantly over the next month, and he was able to walk longer distances without chest pain.
💡 Lesson: Consistent daily dosing and patience with initial side effects can lead to significant improvement in angina control.
👤 A 65-year-old woman with angina and hypertension
She was started on this medicine along with her blood pressure medications. She experienced dizziness when standing up quickly. Her doctor advised her to rise slowly and to monitor her blood pressure at home. After adjusting the timing of her medications, her dizziness resolved, and her angina remained well controlled.
💡 Lesson: Monitoring blood pressure and making simple lifestyle adjustments can prevent falls and improve tolerability of this medicine.

💬 Questions Patients Often Ask

Q: How long does it take to work?

A: This medicine starts working within 30 to 60 minutes after taking a dose, but its full preventive effect may take several days to develop. It is not for immediate relief of an acute angina attack.

Q: Can I take this medicine for an acute angina attack?

A: No. This medicine is for prevention of angina attacks. For immediate relief of an acute attack, use fast-acting nitroglycerin as prescribed by your doctor.

Q: What are the common side effects?

A: Common side effects include headache, dizziness, flushing, and lightheadedness. These often improve with continued use. Consult your doctor if they persist or are severe.

Q: Can I drink alcohol while taking this medicine?

A: It is best to avoid alcohol while taking this medicine, as it can increase dizziness and low blood pressure.

Q: Can I take this medicine with sildenafil?

A: No. Combining this medicine with sildenafil, tadalafil, or vardenafil can cause a dangerous drop in blood pressure. This combination is contraindicated.

Q: What should I do if I miss a dose?

A: If you miss a dose, take it as soon as you remember, unless it is almost time for your next dose. If it is almost time, skip the missed dose and continue with your regular schedule. Do not double the dose.

Q: Can I stop taking this medicine suddenly?

A: No. Stopping this medicine suddenly can worsen angina. Always consult your doctor before stopping or changing the dose.

Q: Is this medicine safe during pregnancy?

A: The use of this medicine during pregnancy should be considered only if clearly needed. Consult your obstetrician before using it.

🤔 Common Patient Concerns

💭 These are the concerns patients most commonly raise

  • Can I take this medicine long-term?
  • Will it affect my kidney function?
  • Can I drive after taking this medicine?
  • Does it interact with my blood pressure medicine?
  • What if I miss a dose?
  • Can I drink alcohol while taking this?
  • Can I take this medicine with sildenafil?
  • How long does it take to work?
  • Can I stop this medicine suddenly?
  • Is it safe during pregnancy?

🔄 Substitutes for ismo retard tablet er

View All

Alternative brands with exact same active ingredient:

Medical Note: Always consult your doctor before switching medications.

🛑 Myths vs. Facts

  • Myth: This medicine can be used to relieve an acute angina attack.
    Fact: This medicine is for prevention of angina attacks, not for immediate relief. For acute attacks, use fast-acting nitroglycerin as prescribed.
  • Myth: You can stop this medicine whenever you feel better.
    Fact: Stopping this medicine suddenly can worsen angina. Always consult your doctor before stopping.
  • Myth: It is safe to take this medicine with sildenafil.
    Fact: Combining this medicine with sildenafil or similar drugs can cause a dangerous drop in blood pressure. This combination is contraindicated.
  • Myth: This medicine can be crushed or chewed for faster action.
    Fact: Crushing or chewing the extended-release tablet can release the entire dose at once, causing severe hypotension. Swallow it whole.

🔄 Alternative Options

Generic Alternatives

  • Isosorbide Mononitrate 40 mg extended-release tablet

Brand Alternatives

  • Ismo Retard Tablet ER

📊 Comparison with Similar Medicines

[{"medicine":"Isosorbide Mononitrate ER","class":"Nitrate","main_use":"Angina prophylaxis","onset":"30-60 minutes","duration":"12-24 hours","notes":"Once daily, extended-release"},{"medicine":"Isosorbide Dinitrate","class":"Nitrate","main_use":"Angina prophylaxis and treatment","onset":"15-30 minutes","duration":"4-6 hours","notes":"Multiple daily doses, immediate-release"},{"medicine":"Nitroglycerin","class":"Nitrate","main_use":"Acute angina relief","onset":"1-3 minutes","duration":"10-30 minutes","notes":"Sublingual, not for prophylaxis"}]

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