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ISOLAZINE Tablet 15's

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    Introduction About ISOLAZINE TABLET

    ISOLAZINE TABLET is a combination of Hydralazine and Isosorbide dinitrate which belongs to the group of medicines called Vasodilators. ISOLAZINE Tablet is a prescription-based medicine used under specific healthcare guidance. It is known to support cardiovascular health parameters like heart failure. Commonly suggested in wellness routines by medical professionals, it is essential to follow the advised regimen.

    During course of the management your doctor might regularly monitor your blood pressure to avoid any side effects. The safety and effectiveness of ISOLAZINE TABLET in children have not been established.

    Before taking ISOLAZINE TABLET, consult your doctor if you have any kidney, heart, lung or liver problems, too much sweating, fluid loss, vomiting or diarrhea or if you consume alcohol.

    ISOLAZINE TABLET is not studied in pregnant and breastfeeding women, so consult your doctor before taking the medicine. The most common side effects of taking ISOLAZINE TABLET are headache and dizziness. Consult your doctor if any of the side effects worsen.

    Key Composition

    Each ISOLAZINE Tablet contains:

    • Hydralazine: A vasodilator that supports healthy circulation
    • Isosorbide Dinitrate: Helps optimize oxygen supply in cardiovascular processes

    Uses Of ISOLAZINE TABLET

    • Used to manage heart failure

    Benefits of ISOLAZINE TABLET

    • Formulated with a combination of Hydralazine and Isosorbide Dinitrate
    • Taken as per healthcare provider’s recommendation
    • Often included in heart-focused health strategies
    • Available in oral tablet format for easy intake

    How ISOLAZINE TABLET Works

    Why Hydralazine is combined with Isosorbide Dinitrate

    The combination supports the function of the circulatory system through dual-action vasodilation. Each working on different types of blood vessels.

    Hydralazine:

    • Primarily acts on arteries
    • Helps relax and widen arterial walls, making it easier for the heart to pump blood forward

    Isosorbide Dinitrate

    • Primarily acts on veins
    • Helps reduce the amount of blood returning to the heart, which lowers the pressure the heart has to work against. It increases nitric oxide levels in the body, which relaxes venous smooth muscles, helping to reduce pressure buildup in the heart.

    How to use ISOLAZINE TABLET

    How to take ISOLAZINE Tablet: Step-by-Step Guidance

    Taking ISOLAZINE Tablet correctly helps ensure the medicine works as intended. Here is a simple guide to follow:

    1. Follow Your Doctor’s Instructions: Always take the tablet exactly as prescribed by your healthcare provider
    2. Use the Same Time Every Day: Consistency helps maintain stable levels in your system
    3. Swallow Whole: Take the tablet with a full glass of water
    4. Do Not Crush or Break: To maintain effectiveness, avoid breaking the tablet unless advised
    5. Monitor for Any Unusual Reactions: If you notice dizziness or headache, sit or lie down until it passes

    Recommended Dosage and Frequency of ISOLAZINE

    The dosage of ISOLAZINE Tablet can vary based on individual health needs, but general guidelines include:

    • Usually taken two to three times daily at evenly spaced intervals
    • Your healthcare provider may start you on a low dose and adjust it based on your response
    • Do not change your dose without consulting your doctor

    Timing and Food Considerations

    • ISOLAZINE Tablet can be taken with or without food but taking it with meals may help reduce the chance of stomach discomfort
    • Avoid taking the tablet just before activities requiring full alertness, as it may cause dizziness in some people
    • Alcohol consumption is generally advised to be avoided or limited while using ISOLAZINE, as it can increase side effects

    What if I forgot to take ISOLAZINE TABLET

    • If you forget to take 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 once to make up for the missed one
    • Maintaining a regular schedule helps to manage missed doses

    Overdose

    • If you or anyone else accidentally took too much of ISOLAZINE TABLET, contact your doctor immediately. Symptoms of overdose include headache, confusion, fast heartbeat, generalized skin flushing, reduced cardiac output, low blood pressure, irregular heartbeat and shock

    Side Effects Of ISOLAZINE TABLET

    Commonly Reported Side Effects of ISOLAZINE Tablet:

    • headache
    • dizziness

    When to Inform a Healthcare Professional?

    • allergic reaction (signs include rash, hives, itching, red, swollen, blistered or peeling skin, wheezing, tightness in the chest or throat, difficulty breathing, swallowing or talking, unusual hoarseness or swelling of the mouth, face, lips, tongue or throat)
    • lupus-like rash on the cheeks or other body parts, easy sunburn, muscle or joint pain, chest pain or breathlessness or swelling in the arms or legs
    • low blood pressure (very bad dizziness or passing out)
    • fever
    • insufficient oxygen supply to heart muscle and angina (chest pain or pressure or a fast heartbeat)
    • peripheral neuritis (numbness, prickling and tingling sensation)

    How long do ISOLAZINE side effects typically last?

    The duration of side effects after taking ISOLAZINE Tablet can vary depending on the individual and the specific reaction. The most common side effects such as dizziness, headache, or flushing usually appear soon after taking the medicine and may last from a few minutes to a few hours

    • Mild side effects often improve as your body adjusts during the first few days of treatment
    • If side effects persist beyond a week or become bothersome, it is important to consult your healthcare provider
    • Serious or unusual reactions require prompt medical advice

    How To Manage Side Effects

    Dizziness Or Drowsiness

    • Rest and Relax: Sit or lie down until the dizziness passes to avoid falls or injury
    • Avoid Sudden Movements: Stand up slowly from sitting or lying positions to manage dizziness
    • Limit Alcohol: Avoid alcohol as it can increase dizziness
    • Consult Your Doctor: If symptoms are severe, frequent, or last more than a few days, talk to your healthcare provider

    Warning & Precautions

    Pregnancy

    Consult your doctor

    ISOLAZINE TABLET has limited studies in pregnant women. Consult your doctor before taking the medicine.

    Breastfeeding

    Consult your doctor

    ISOLAZINE TABLET has limited studies in breastfeeding women. Consult your doctor before taking this medicine as it is not known if it passes into the breast milk.

    Driving and Using Machines

    Use with Caution

    Do not drive or use any machines until you see how ISOLAZINE TABLET affects you.

    Alcohol

    Contraindicated

    Do not consume alcohol during management with ISOLAZINE TABLET as it may increase the risk of vasodilating effects of this medicine.

    Kidney

    Consult your doctor

    ISOLAZINE TABLET has limited studies in patients with kidney impairment. Consult your doctor before taking the medicine.

    Liver

    Consult your doctor

    ISOLAZINE TABLET is not studied in patients with liver impairment. Consult your doctor before taking the medicine.

    Allergy

    Contraindicated

    Do not take ISOLAZINE TABLET if you are allergic to Hydralazine, Isosorbide dinitrate or any other ingredients of this medicine.

    Heart Disease

    Use with Caution

    ISOLAZINE TABLET should be used cautiously in patients with hypertrophic cardiomyopathy.

    Use In Pediatrics

    Consult your doctor

    Safety and effectiveness of ISOLAZINE TABLET in children and adolescents (aged less than 18 years) have not been established. Consult your child’s doctor for advice.

    Use In Geriatrics

    Use with Caution

    ISOLAZINE TABLET should be used cautiously in elderly patients.

    Other Warnings for ISOLAZINE TABLET

    Before taking ISOLAZINE TABLET, inform your doctor if you:

    • have too much sweating, fluid loss, vomiting or diarrhea

    Drug - Drug interaction

    Common Interactions Include:

    1. Other Blood Pressure Medications

    • Combining ISOLAZINE with other medicines that lower blood pressure (like beta-blockers, ACE inhibitors, or calcium channel blockers) may increase the chance of low blood pressure, dizziness, or fainting
    • Always inform your doctor about all blood pressure medications you are using

    2. Nitrates and Nitric Oxide Donors

    • Using ISOLAZINE with other nitrate-containing drugs or nitric oxide donors can lead to excessive blood vessel dilation and sudden drops in blood pressure
    • Avoid combining ISOLAZINE with medications such as nitroglycerin or recreational drugs like sildenafil unless directed by a healthcare professional

    3. Diuretics (Water Pills)

    • Diuretics can alter electrolyte levels and blood pressure. When combined with ISOLAZINE, close monitoring by your healthcare provider is important

    4. Medications Affecting Heart Rhythm

    • Some drugs can influence heart rate or rhythm. Combining these with ISOLAZINE requires medical supervision to avoid unwanted effects

    5. Other Vasodilators or Muscle Relaxants

    • Combining with other vasodilators or muscle relaxants may amplify effects like dizziness or headache

    Synopsis

    Drug

    :  

    Hydralazine, Isosorbide dinitrate

    Pharmacological Category

    :  

    Vasodilators

    Therapeutic Indication

    :  

    As adjunct to standard management in heart failure

    Dosage Forms

    :  

    Tablet

    More Information

    Things your doctor may consider before prescribing ISOLAZINE Tablet

    Before prescribing ISOLAZINE Tablet, your healthcare provider will evaluate several important factors to ensure it is a suitable option for you:

    1. Your Overall Heart and Circulatory Health

    Doctors assess your heart function and blood vessel condition to understand how ISOLAZINE might support your circulation.

    2. Current Medications and Potential Interactions

    Your doctor reviews all medications and supplements you are taking to avoid harmful interactions.

    3. Kidney and Liver Function

    Since the body processes medicines through these organs, your doctor may check their function to determine appropriate dosing and safety.

    4. Blood Pressure Levels

    ISOLAZINE affects blood pressure, so your current readings and history help guide its use

    5. History of Allergies or Sensitivities

    Any known allergies to the ingredients or similar medicines are considered

    6. Pregnancy or Breastfeeding Status

    Special considerations apply if you are pregnant, planning to become pregnant, or breastfeeding

    7. Other Health Conditions

    Conditions like headaches, dizziness, or low blood pressure may influence the decision to prescribe ISOLAZINE.

    Myths vs Facts About ISOLAZINE Tablet:

    Myth 1:

    ISOLAZINE can be stopped suddenly without any problems.

    Fact:

    It is important to follow your doctor’s advice about stopping or changing your dose. Sudden changes may cause unwanted effects or affect how your heart functions.

    Myth 2:

    ISOLAZINE works immediately after the first dose.

    Fact:

    ISOLAZINE may take some time to show its full effects. Consistent use as prescribed is key to achieving benefits.

    Myth 3:

    ISOLAZINE can be taken with alcohol without any issues.

    Fact:

    Alcohol can increase side effects like dizziness or headache when taking ISOLAZINE, so it is best to avoid or limit alcohol consumption.

    Myth 5:

    Only people with severe conditions need ISOLAZINE.

    Fact:

    Your doctor may recommend ISOLAZINE based on your specific health needs, even early in managing certain circulatory conditions.

    FAQs About ISOLAZINE TABLET

    Q: What do I need to inform my doctor before taking ISOLAZINE TABLET?

    A: Before taking ISOLAZINE TABLET, inform your doctor about all the medicines that you are taking (prescription or OTC, herbal products, vitamins) and your health problems. Do not start, stop or change the dose of any medicine without consulting your doctor.

    Q: How does ISOLAZINE TABLET work?

    A: Hydralazine relaxes the smooth muscles of arteries and isosorbide dinitrate acts by releasing nitric oxide and subsequently activating guanylyl cyclase and ultimately relaxes smooth muscles of both arteries and veins.

    Q: Can ISOLAZINE TABLET make me feel dizzy?

    A: ISOLAZINE TABLET may cause a fall in your blood pressure that may make you feel dizzy. Rest or lay down for some time. Rise slowly after sitting or lying down. Be careful while going up and down stairs. Consult your doctor if you experience persistent dizziness.

    Q: Does ISOLAZINE TABLET cause headache?

    A: Yes, ISOLAZINE TABLET can cause headache. Drink ample amount of water. Get adequate rest. Try to be relaxed and stress free. Ask your doctor before taking any medicine for headache.

    Q: Can ISOLAZINE TABLET be used in children?

    A: The safety and effectiveness of ISOLAZINE TABLET in children and adolescents (aged less than 18 years) have not been studied. Your child’s doctor will select a suitable alternative therapy for your child to manage the condition.

    Q: How to Order ISOLAZINE Tablet Online with Prescription?

    A: You can order ISOLAZINE Tablet online from Netmeds with a valid prescription. Enjoy doorstep delivery and real-time pharmacy assistance.

    Q: How should ISOLAZINE Tablet be stored?

    A: Store in a cool, dry place between 20°C–25°C. Avoid moisture and direct light.

    Q: Can I take this along with other prescribed heart medications?

    A: Consult your doctor before combining medications. Inform your doctor of all ongoing medicines.

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

    A: Take the next dose at the scheduled time. Do not double the dose unless advised.

    References

    1. Barbara G. Wells, Joseph T. DiPiro, Terry L. Shwinghammer, Cecily V. DiPiro. Heart Failure. Pharmacotherapy Handbook. Ninth edition. Page- 75.

    2. Anne L Taylor, Susan Ziesche, Clyde Yancy, Peter Carson, Ralph D'Agostino Jr, Keith Ferdinand, Malcolm Taylor, Kirkwood Adams, Michael Sabolinski, Manuel Worcel, Jay N Cohn; African-American Heart Failure Trial Investigators. Combination of isosorbide dinitrate and hydralazine in blacks with heart failure. NIH National Library of Medicine, National center for biotechnology information. Pubmed.gov. November 2004. [Accessed on 4th July 2025] 

    3. Arbor Pharmaceuticals. LLC. U.S. Food & Drug Administration. [Revised in April 2015] [Accessed on 4th July 2025] 

    4. Memorial Sloan Kettering Cancer Centre. Hydralazine + Isosorbide dinitrate. [Revised in September 2020] [Accessed on 4th July 2025] 

    Author Details

    Written By Dr. Janet.C - Pharm.D
    Reviewed For Accuracy By Dr. Thamada Manikanta Praveen - MBBS, MD (General Medicine)
    Last updated on 05 Jul 2025 | 05:22 PM(IST)
    Lab updated