Description
Product details
CARDULES ISDN 5 is a prescription medication formulated with Isosorbide Dinitrate (5 mg), a well-known nitrate used to prevent and treat chest pain (angina) caused by coronary artery disease. This medicine is commonly prescribed to improve blood flow to the heart and reduce the frequency and severity of anginal attacks. It works by relaxing the blood vessels, making it easier for the heart to pump blood, and reducing its oxygen demand. CARDULES ISDN 5 is especially useful for long-term management of chronic angina and can be an essential part of a comprehensive cardiac care plan. Key Ingredients Isosorbide Dinitrate (5 mg) – This is the active pharmaceutical ingredient in CARDULES ISDN 5. Belonging to the nitrate class of drugs, Isosorbide Dinitrate helps widen and relax blood vessels, thereby improving blood flow and oxygen delivery to the heart muscle. Key Benefits Provides effective relief from angina (chest pain) Helps prevent angina episodes when taken regularly Improves blood circulation to the heart Reduces the heart's workload and oxygen demand Supports overall cardiac function in patients with coronary artery disease Can improve exercise tolerance and reduce anginal frequency How Does It Work? CARDULES ISDN 5 works by releasing nitric oxide within the vascular smooth muscle, leading to the relaxation of blood vessels. This vasodilation effect reduces the amount of work the heart must do to pump blood and lowers its oxygen demand. By widening the arteries and veins, Isosorbide Dinitrate facilitates better oxygen delivery to the heart tissue, which helps prevent angina attacks. It is especially effective in preventing episodes when used on a regular schedule, rather than providing immediate relief during an ongoing attack. Directions for Use Always take CARDULES ISDN 5 exactly as prescribed by your physician. Typically taken orally, with or without food. It is important to take the medication at the same times each day to maintain consistent nitrate levels in the bloodstream. Swallow the tablet whole with water; do not crush or chew unless advised. Do not stop the medication abruptly without consulting your doctor, as it may worsen angina symptoms. Side Effects While CARDULES ISDN 5 is generally well-tolerated, some individuals may experience side effects. These can include: Headache (commonly occurs initially and often subsides with continued use) Dizziness or light-headedness, especially when rising from a sitting or lying position Nausea or vomiting Flushing or warmth of the skin Low blood pressure (hypotension) Rapid heartbeat (tachycardia) In rare cases, allergic reactions or more serious cardiovascular effects may occur. Always report any persistent or severe side effects to your healthcare provider immediately.





![Bisoprolol 1.25mg is the smallest tablet strength of bisoprolol, a heart-selective beta-1 blocker. Doctors usually prescribe it to start treatment or to build up the dose gradually in people with high blood pressure, chronic stable heart failure, or fast heart rhythms. It suits older adults, people with mild heart failure, and anyone who reacts strongly to beta-blockers. The medicine slows the heartbeat and eases the force of each contraction, so the heart works less hard. BISOGARD 1.25 from Steris Healthcare Pvt. Ltd. comes in a strip pack of 15 tablets. It is a Schedule H medicine, so it must only be started, changed, or stopped on a doctor's advice.
Product Snapshot
Brand: BISOGARD 1.25
Manufacturer/Marketer: Steris Healthcare Pvt. Ltd., a WHO-GMP and ISO-certified pharmaceutical company in India
Active ingredient: Bisoprolol Fumarate 1.25mg
Form: Tablet
Pack size: 15 tablets
Drug class: Cardioselective beta-1 blocker
Legal status: Schedule H (valid prescription required)
Availability: Through Steris Healthcare's authorized pharmacies and its B2B PCD franchise network across India
What Is Bisoprolol 1.25mg?
If your doctor has just prescribed bisoprolol 1.25mg, you have been given the lowest dose on purpose. Bisoprolol is a cardioselective beta-1 blocker, meaning it acts mostly on receptors in the heart and has much less effect on the lungs and blood vessels. This is a major reason it is preferred over older, non-selective beta-blockers, especially for people who also have a mild breathing problem.
The 1.25mg tablet is not a “light” medicine for mild illness. It is a carefully chosen entry point. In heart failure, a weakened heart can struggle if its rate or pressure drops too quickly, so cardiologists follow a “start low, go slow” approach. Treatment begins at 1.25mg, the response is watched for one to two weeks, and the dose is raised step by step (commonly 2.5mg, 3.75mg, 5mg, 7.5mg, and up to 10mg) as the heart adapts. That is why BISOGARD 1.25 is often the first tablet a newly diagnosed heart failure patient takes.
What Is Bisoprolol 1.25mg Used For?
Doctors commonly prescribe this strength for:
Chronic heart failure (HFrEF): as the first step of dose titration in patients with a reduced ejection fraction, alongside ACE inhibitors/ARBs and diuretics
High blood pressure: especially in older adults, people with low body weight, and those who are sensitive to blood-pressure-lowering drugs
Stable angina: to reduce the heart's oxygen demand and relieve chest discomfort
After a heart attack: in selected patients, under a cardiologist's care
Heart rate control in some arrhythmias: sometimes used off-label at a low dose to gently bring down a fast heart rate
At 1.25mg, bisoprolol is seldom meant as the long-term sole treatment for high blood pressure in an otherwise healthy adult. It is usually the first rung of a titration ladder, or a steady maintenance dose for patients who are unusually beta-blocker sensitive (older age, low body weight, or borderline low pressure or pulse).
How Does Bisoprolol Work?
Bisoprolol selectively blocks beta-1 adrenergic receptors, which are packed mainly into heart muscle. This leads to several effects:
Slower heart rate: the heart has more time to fill and rest between beats
Gentler contractions: the heart muscle needs less oxygen and energy
Less renin from the kidneys: this helps blood pressure fall gradually over time
Lower overall cardiac workload: a real advantage for a heart that already struggles to pump well, as in heart failure
Key Benefits of BISOGARD 1.25
A gentle starting dose, well suited to careful titration in frail or elderly patients
Heart-focused action, with less effect on the lungs and peripheral blood vessels than non-selective beta-blockers
Once-daily dosing, which makes it easier to stay on treatment
A guideline-recommended beta-blocker for HFrEF with well-established outcomes data [Reviewer note: insert specific outcome statistics/trial citation pending medical sign-off]
Made by Steris Healthcare Pvt. Ltd. under WHO-GMP and ISO-certified standards
Dosage Guidance
Usual starting dose (heart failure): 1.25mg once a day, preferably in the morning
Dose increases: typically every 1–2 weeks (2.5mg, 3.75mg, 5mg, 7.5mg, up to a maximum of 10mg daily), depending on how well you tolerate it and on your pulse and blood pressure
High blood pressure (sensitive patients): 1.25mg to 5mg once daily, as set by your doctor
How to take it: at the same time every day, with or without food, swallowed whole with water
If you miss a dose: take it when you remember, unless the next dose is almost due. Never take a double dose.
Never stop suddenly: abrupt withdrawal can cause a rebound rise in heart rate, blood pressure, or chest pain. The dose must be reduced gradually under medical supervision.
Is It Better to Take Bisoprolol in the Morning or at Night?
Most doctors advise a morning dose. Bisoprolol lowers pulse and blood pressure, and taking it early matches its action to your daytime activity. A night-time dose could add to the body's natural overnight dip in blood pressure and raise the chance of dizziness when getting up in the dark. Some people who feel tired during the day are told by their doctor to switch to the evening. Do not change your dosing time without your doctor's approval.
Side Effects of Bisoprolol 1.25mg
Common side effects
Tiredness or fatigue
Dizziness or light-headedness, especially on standing quickly
Cold hands or feet
Slow pulse (bradycardia)
Headache
Mild stomach upset (nausea, loose stools)
Disturbed sleep
Serious side effects (get medical help promptly)
Very slow heartbeat or fainting
Increasing breathlessness or swollen legs/ankles, which may mean heart failure is worsening
Allergic reaction: rash, swelling of the face or throat, trouble breathing
Cold, numb, or bluish fingers and toes
Wheezing or new breathing difficulty, particularly in people with asthma or COPD
Mood changes, low mood, or confusion
What Are the Bad Side Effects of Bisoprolol?
The effects that need urgent attention are a dangerously slow pulse, fainting, signs of worsening heart failure (swelling, breathlessness), severe allergic reactions, and airway tightening in people with lung disease. These are uncommon at the 1.25mg dose, but anyone who notices them should seek medical help right away. [Reviewer note: specific incidence rates pending clinical/medical sign-off]
Substitutes & Comparable Beta-Blockers
Molecule Selectivity Typical Use Case
Bisoprolol Highly cardioselective Heart failure titration, hypertension
Metoprolol Succinate ER Cardioselective Hypertension, angina, heart failure
Atenolol Cardioselective (older agent) Hypertension
Carvedilol Non-selective with alpha-blocking action Heart failure (adds vasodilation)
Propranolol Non-selective Migraine prevention, anxiety-related fast heartbeat, essential tremor
Precautions & Who Should Avoid Bisoprolol
Not suitable for people with severe bradycardia, certain forms of heart block (unless a pacemaker is fitted), unstable or acutely decompensated heart failure, or severe uncontrolled asthma
Use carefully in diabetes, because beta-blockers can hide the warning signs of low blood sugar
Take care in peripheral vascular disease, as cold extremities or leg pain on walking may worsen
Never stop it abruptly; always taper under a doctor's guidance
Tell your doctor about every medicine you use, especially other blood-pressure drugs, calcium channel blockers, and certain antiarrhythmics
In pregnancy and breastfeeding, use only if your doctor advises it after weighing benefits and risks
Is Bisoprolol Safe for Kidneys?
The body clears bisoprolol through both the liver and the kidneys in roughly equal measure. It is generally considered safe for people with normal or mildly reduced kidney function. When kidney impairment is significant, drug levels in the blood can rise, so your doctor may lower the dose or monitor you more closely. Always tell your prescriber about any kidney disease before starting.
Is Bisoprolol a High-Risk Medication?
Bisoprolol is not a narrow therapeutic index drug like tacrolimus or warfarin, where small dose differences matter greatly. Even so, it needs supervised use because it directly affects heart rate and blood pressure. The main dangers are stopping it suddenly, which can set off rebound cardiac events, and using it with certain existing rhythm disorders. Taken as prescribed and checked regularly, it has a long and reassuring safety record.
Does 1.25mg Bisoprolol Lower Blood Pressure?
Yes. Even the smallest dose measurably reduces heart rate and blood pressure by lightening the heart's workload and reducing renin-driven narrowing of blood vessels. At this strength the effect on blood pressure is fairly mild, which is exactly why it is a safe place to begin, especially for older adults or people starting heart failure treatment. The dose is then raised gradually to reach full benefit.
Frequently Asked Questions
1. What is 1.25 mg of bisoprolol used for?
Mainly as a low starting dose when building up treatment for chronic heart failure, and for high blood pressure in people who are very sensitive to beta-blockers, such as older adults.
2. What are the bad side effects of bisoprolol?
The more serious ones are a very slow pulse, fainting, worsening heart failure signs (swelling, breathlessness), severe allergy, and breathing trouble in people with lung conditions.
3. What are the common side effects of bisoprolol fumarate 1.25 mg tablets?
Tiredness, dizziness, cold hands and feet, mild headache, and a slightly slower pulse.
4. Is it better to take bisoprolol in the morning or at night?
Morning is usually preferred so its effect fits daytime activity, though your doctor may suggest evenings in some cases.
5. What is the cost of bisoprolol?
Price depends on strength, pack size, and brand. Use the “Check Price” option above for current BISOGARD 1.25 pricing from Steris Healthcare.
6. Does 1.25 mg bisoprolol lower blood pressure?
Yes, though only modestly at this dose. The dose is often stepped up over time.
7. Is bisoprolol safe for kidneys?
Generally yes for normal or mildly reduced kidney function. People with significant kidney impairment need dose adjustment and monitoring.
8. Is bisoprolol a high-risk medication?
It is not a narrow therapeutic index drug, but it must never be stopped suddenly and should be used under medical supervision because of its direct effect on the heart.
9. Can I take bisoprolol 1.25mg for the rest of my life?
Many people with chronic heart failure or hypertension do take bisoprolol long term, but the dose usually rises as tolerated. Your doctor should review it regularly.
10. What happens if I miss a dose of bisoprolol?
Take it when you remember, unless the next dose is nearly due. In that case skip the missed one. Never take two together.
11. Can bisoprolol 1.25mg cause weight gain?
It is not commonly reported at this dose. Fluid retention linked to heart failure itself should be reported to your doctor.
12. Is bisoprolol safe for diabetic patients?
It can be used, with care, because beta-blockers may hide warning signs of low blood sugar such as a racing heartbeat.
13. Can I stop taking bisoprolol suddenly if I feel fine?
No. Stopping abruptly can cause a rebound rise in heart rate, blood pressure, or chest pain. Reduce the dose gradually under medical guidance.
14. Does bisoprolol interact with other blood pressure medicines?
Yes. Combining it with other drugs that lower heart rate or pressure (such as calcium channel blockers) can cause a very low pulse or pressure. Tell your doctor about all your medicines.
15. Is BISOGARD 1.25 available without a prescription?
No. Bisoprolol is a Schedule H medicine in India and needs a valid prescription.
16. How long does it take for bisoprolol 1.25mg to start working?
Some effect on heart rate appears within hours, but the full benefit for blood pressure or heart failure symptoms builds over several weeks of regular use.
17. Can pregnant women take bisoprolol?
Only if clearly necessary and prescribed by a doctor, as it may affect the baby's heart rate and growth.](https://productimages.withfloats.com/tile/6abe4474c205678e0b16a23a.png)


