Isoket Tablet 20mg

About Isoket Tablet 20mg

Isoket Tablet Uses

• Long term prevention of angina chest pain in patients with coronary artery disease
• Maintenance therapy for chronic stable angina as an extended release formulation
• Adjunct treatment in congestive heart failure alongside other heart medicines
• Combination therapy after a heart attack to reduce the heart's workload
• Reducing the frequency of angina episodes in patients on long term cardiac care

Isoket Tablet Benefits

• Provides steady, extended protection against angina across the day
• Widens coronary arteries so more oxygen rich blood reaches the heart muscle
• Reduces the pressure the heart pumps against, easing its overall workload
• Fits into a once or twice daily routine, which supports treatment adherence
• Available as an affordable, widely stocked local brand across Pakistan

What Experts Say

Cardiologists across Pakistan reach for a sustained release nitrate such as Isoket Tablet 20mg when a patient needs steady, all day protection against angina rather than short acting relief alone. The extended release design allows the active drug to be released gradually, which keeps blood vessels relaxed for a longer stretch of time.

Because ischemic heart disease is so common locally, physicians often pair this tablet with a beta blocker or a calcium channel blocker for more complete symptom control. Doctors still schedule a nitrate free interval within each day, since continuous exposure can blunt the drug's effect, a pattern well documented in cardiology practice.

Specialists stress that this tablet should never be combined with sildenafil or similar erectile dysfunction medicines, since the pairing can trigger a severe and sudden fall in blood pressure. Patients with very low blood pressure, recent head trauma, or significant anemia are monitored closely, and dose changes are made gradually under medical supervision.

Drug Class

• Organic nitrate
• Vasodilator
• Antianginal agent

Isoket Tablet 20mg formula

• Isosorbide Dinitrate

Available forms

• Tablet

How to use Isoket Tablet 20mg?

• The tablet is swallowed whole with water and is not crushed or chewed
• A consistent daily schedule helps maintain steady protection against angina
• A nitrate free interval, usually overnight, is built into the dosing plan
• Missed doses are not doubled up, the next dose is simply taken as scheduled
• This medicine is not stopped suddenly without medical advice, since chest pain can worsen

Drug Interactions

• Sildenafil, Tadalafil, Vardenafil: Severe, potentially life threatening low blood pressure when combined with this tablet
• Riociguat: Combined use is avoided due to a high risk of profound hypotension
• Other Blood Pressure Medicines: Additive blood pressure lowering effect that can cause dizziness or fainting
• Alcohol: Enhances the blood pressure lowering effect and worsens dizziness
• Other Nitrates: Combining with additional nitrate products raises the risk of excessive hypotension

Risks and warnings

• PDE5 Inhibitor Use: Combining this tablet with sildenafil, tadalafil, or vardenafil can cause a dangerous, sudden fall in blood pressure
• Low Blood Pressure: People with existing low blood pressure or dehydration face a higher risk of fainting on this medicine
• Recent Head Injury: Nitrates can raise pressure inside the skull, so caution is needed after a head injury or stroke
• Nitrate Tolerance: Round the clock use without a nitrate free interval can blunt the drug's protective effect
• Glaucoma: This medicine is used cautiously in patients with raised eye pressure, under medical supervision

Isoket Tablet Side Effects

• Headache, often throbbing, especially during the first few days of treatment
• Flushing or warmth in the face and neck
• Dizziness or lightheadedness, particularly on standing up quickly
• Mild drop in blood pressure
• Fast heartbeat as a reflex response to the drop in blood pressure
• Nausea or an upset stomach
• Fainting or severe low blood pressure in sensitive individuals
• Worsening chest pain in rare paradoxical cases, which needs urgent review
• Signs of an allergic reaction such as rash, swelling, or difficulty breathing

Storage Conditions

• Store below 30 degrees Celsius in a cool, dry place
• Keep the strip in its original pack, away from direct light and moisture
• Keep out of reach of children
• Avoid storing in a bathroom cabinet where humidity is high