Buy Monoket
Monoket

$0.46
Active Ingredient
Delivery
Airmail (14-21 days) | EMS trackable (5-9 days)
Prescription
Issued on site / Included
Availability
In Stock
Product is shipped in a fully discreet envelope with no content disclosure, including all required documentation inside

Monoket Properties

Active Ingredients
Primary Category
Therapeutic Class
Pharmacological Class
Nitrate
Minor Side Effects
Moderate Side Effects
Dosage Forms
Tablets
Administration Route
Oral
Mechanism of Action
Relaxes and widens blood vessels, allowing blood to flow more easily to the heart muscle, which helps prevent chest pain.
Prescription Status
Rx
Manufacturer
UCB Pharma
Patient Summary
Used to prevent chest pain caused by reduced blood flow to the heart muscle.
Onset Time
Within 1 hour
Duration
Up to 12 hours
Storage Instructions
Store at room temperature, away from moisture and heat
Age Restrictions
Consult doctor
Pregnancy Use
Consult doctor before use during pregnancy or breastfeeding

About Monoket

Monoket (isosorbide mononitrate) is a long-acting nitrate commonly prescribed to help maintain heart health in adults. It works by gently relaxing and widening blood vessels, which eases the workload on the heart and reduces the frequency of angina attacks. In Singapore, Monoket is available in 20 mg and 40 mg tablets and is generally classified as a prescription-only medication. While its primary purpose is the prophylaxis of stable angina, clinicians may occasionally consider it for other cardiac conditions when supported by clinical judgement. Understanding how this nitrate functions and how to use it safely can empower patients to achieve better symptom control and a more active lifestyle.

What is Generic Monoket (Isosorbide)?

Generic Monoket (Isosorbide) belongs to the class of organic nitrates, a group of drugs that act as vasodilators. The Singapore Health Sciences Authority (HSA) approved isosorbide mononitrate for the prevention of angina pectoris in 1995, and it remains a cornerstone of chronic angina management. As a generic product, it contains the same active molecule as brand-name formulations such as Imdur, offering the same therapeutic benefits at a lower cost. The tablet formulation is designed for once-daily oral administration, providing steady plasma levels over a 12-hour period.

How Monoket Works

Isosorbide mononitrate is a prodrug that is converted in the body to nitric oxide (NO). NO activates guanylate cyclase in vascular smooth muscle, increasing cyclic guanosine monophosphate (cGMP). Elevated cGMP leads to relaxation of smooth muscle fibers, dilating both veins and arteries. The venous dilation reduces preload (the amount of blood returning to the heart), while arterial dilation lowers afterload (resistance the heart must pump against). Together, these effects decrease myocardial oxygen demand and lessen the likelihood of angina episodes. Peak plasma concentrations are reached within 1-2 hours after ingestion, and the drug’s half-life of about 5 hours supports once-daily dosing.

Why Monoket Is Used for Heart Health Conditions

  • Prevention of stable angina - By lowering cardiac workload, Monoket reduces the frequency of chest pain episodes, fitting first-line recommendations in the Singapore Cardiac Society guidelines.
  • Adjunct in chronic heart failure - Though not a primary therapy, nitrates can improve symptoms in patients with concurrent angina and reduced ejection fraction, complementing β-blockers and ACE inhibitors.
  • Improved exercise tolerance - The vasodilatory effect allows patients to engage in moderate activity without triggering ischemic pain, supporting cardiac rehabilitation goals.
  • Cost-effective alternative - As a generic, Monoket offers bioequivalence to branded nitrates while delivering savings that can improve medication adherence.
  • Predictable pharmacokinetics - Once-daily dosing reduces the risk of plasma level fluctuations that can cause breakthrough angina, making it easier to integrate into daily routines.

Off-Label and Investigational Uses of Monoket

Current peer-reviewed literature provides limited evidence for off-label applications of isosorbide mononitrate. Small trials have explored its role in pulmonary hypertension and peripheral arterial disease, showing modest hemodynamic improvements, but regulatory agencies in Singapore have not approved these uses. Off-label use should only be considered under the supervision of a qualified healthcare provider.

Is Monoket Right for You?

Monoket is most suitable for adults with documented stable angina who require long-term symptom control. Patients with severe hypotension, recent myocardial infarction, or those taking phosphodiesterase-5 inhibitors (e.g., sildenafil) should avoid nitrates due to the risk of profound blood pressure drops. Elderly patients often tolerate the drug well, though dose adjustments may be needed for renal or hepatic impairment. Pregnant or breastfeeding individuals are generally advised against routine use unless the benefits clearly outweigh potential risks. As always, individual treatment decisions should reflect a comprehensive assessment of medical history, concomitant medications, and lifestyle factors.

Taking Monoket Effectively

  • Timing - Take Monoket at the same time each day, preferably in the morning to reduce the chance of nighttime hypotension.
  • Food interactions - The tablet can be swallowed with or without food; however, a high-fat meal may delay absorption slightly.
  • Alcohol - Moderate alcohol consumption is permissible, but excessive intake can amplify vasodilatory effects and cause dizziness.
  • Missed dose - If you forget a dose and it is less than 12 hours until the next scheduled tablet, skip the missed one and continue as usual; do not double-dose.
  • Travel - When crossing time zones, maintain the same interval between doses rather than adjusting to local time, to keep plasma levels stable.
  • Lifestyle - Combine Monoket with regular aerobic exercise, a heart-healthy diet, and stress-management techniques for optimal symptom control.

Understanding Side Effects and How to Manage Them

Common side effects arise from the vasodilatory action of nitric oxide:

  • Headache - Often a mild throbbing sensation that improves after a few days as tolerance develops. Over-the-counter acetaminophen can provide relief.
  • Dizziness or light-headedness - Arise from transient drops in blood pressure, especially when standing quickly. Rising slowly from a seated position and staying hydrated can mitigate these episodes.
  • Flushing - Warm-red skin, particularly on the face and neck, usually subsides with continued use. Wearing loose clothing and avoiding hot environments helps.

Less frequent but serious reactions include sustained hypotension, palpitations, or allergic skin rash. Seek immediate medical attention if you experience fainting, chest pain that worsens, or swelling of the face and throat. Understanding the mechanistic link between nitrate-induced vasodilation and these symptoms can guide timely self-care and professional follow-up.

Buying Monoket from Our Online Pharmacy

Why Choose Our Service?

Accessing Monoket through our online pharmacy eliminates the need to travel to specialty clinics, especially when local pharmacies face stock constraints. Our platform offers a discreet, secure ordering process backed by licensed international partners.

Quality & Safety

We partner with licensed international pharmacies that comply with WHO Good Manufacturing Practice standards, ensuring each tablet meets stringent potency and purity criteria.

Pricing & Access

Because Monoket is a generic, we can pass on significant savings compared with branded alternatives. Customers also enjoy a Lifetime 10 % discount on all reorders, making long-term therapy more affordable.

Discreet Delivery

Orders are packaged in plain, tamper-evident boxes and dispatched via trusted couriers. Express shipping typically arrives within 7 days, while standard delivery takes up to 3 weeks, all with full confidentiality.

Frequently Asked Questions

  • Can I take Monoket with my blood pressure medication? Monoket can be combined with many antihypertensives, but caution is needed when paired with other vasodilators, as the combined effect may cause excessive blood pressure reduction. Your physician can adjust doses accordingly.

  • How long does it take to notice a reduction in angina attacks? Most patients experience fewer episodes within a week of regular dosing, though full benefit may emerge after two to three weeks as the body stabilizes nitrate tolerance.

  • Is there a risk of developing tolerance to Monoket? Long-term daily use can lead to modest tolerance, but the once-daily formulation and steady plasma levels minimize this risk compared with short-acting nitrates.

  • What should I do if I feel a sudden, severe headache? A severe, pounding headache could indicate a high nitrate level. Sit down, hydrate, and consider an over-the-counter analgesic. If the pain persists or is accompanied by visual changes, contact a healthcare professional promptly.

  • Can Monoket be used in patients with asthma? While nitrates do not directly affect bronchial tone, the accompanying hypotension may exacerbate asthma symptoms in some individuals. Discuss your respiratory history with a doctor before starting therapy.

  • Is Monoket safe for people with diabetes? Diabetes does not contraindicate Monoket, but patients with autonomic neuropathy may be more prone to orthostatic dizziness. Monitoring blood pressure regularly is advisable.

  • How does Monoket compare with short-acting nitrates like nitroglycerin? Monoket provides continuous prophylaxis, reducing the need for rescue medication, whereas nitroglycerin acts quickly to relieve acute attacks. Long-acting nitrates improve adherence by requiring only once-daily dosing.

  • Will taking Monoket affect my ability to drive? Once steady dosing is achieved, most patients report no impairment. However, during the initial titration period, dizziness may occur; avoid driving or operating heavy machinery until you know how the medication affects you.

  • Can I switch from a branded nitrate to Monoket? Yes, because Monoket is bioequivalent to other isosorbide mononitrate brands. Your prescriber may recommend a gradual switch to monitor tolerance and side-effect profiles.

  • Is it necessary to have regular blood tests while on Monoket? Routine laboratory monitoring is not mandatory for most patients, but periodic assessment of liver and kidney function is prudent, especially in those with existing organ impairment.

Glossary

Nitrate
A class of compounds that release nitric oxide, leading to vasodilation and decreased cardiac workload.
cGMP (Cyclic Guanosine Monophosphate)
A second messenger that mediates smooth-muscle relaxation after nitric oxide activation of guanylate cyclase.
Preload
The volume of blood returning to the heart before contraction; reduction eases myocardial oxygen demand.
Afterload
The resistance the heart must overcome to eject blood; lowering it helps improve cardiac output.
Bioequivalence
Demonstrates that a generic product delivers the same amount of active ingredient into the bloodstream as its branded counterpart.

Disclaimer

The information provided about Monoket is for general knowledge only. It does not replace professional medical consultation. All treatment decisions, including those regarding off-label use, should be made under the supervision of a qualified healthcare provider. We assume all readers are responsible adults capable of making informed decisions about their health. Our online pharmacy offers access to Monoket for individuals who may have limited availability through traditional pharmacies, prescription-based insurance schemes, or who are seeking affordable generic alternatives. Always consult your doctor before starting, changing, or discontinuing any medication.

External Resources about Monoket


Information Prepared By

Nawin Kittisak
Vikneswaran V Paranjothy