Buy Edarbi
Edarbi

1.5
A prescription medicine used to lower high blood pressure in adults.


Availability
In Stock
Delivery
Airmail (14-21 days) | EMS trackable (5-9 days)
Product is shipped in a fully discreet envelope with no content disclosure, including all required documentation inside

Product Sheet

Alternative/Local Brand
Edarbi
Active Ingredient(s)
Azilsartan Medoxomil
Primary Category
Blood Pressure
Therapeutic Class
Cardiovascular System, Antihypertensives, Angiotensin II Receptor Blockers (ARBs)
Pharmacological Class
Angiotensin II Receptor Antagonist
Indications
High blood pressure, Hypertension
Contraindications
Pregnancy, Severe kidney impairment, Diabetes patients taking aliskiren, Hypersensitivity to azilsartan
Minor Side Effects
Dizziness, Lightheadedness
Moderate Side Effects
Diarrhoea, Low blood pressure, Fatigue
Serious Side Effects
Severe allergic reaction, Fainting, Changes in kidney function, High potassium levels
Dosage Forms
Tablets
Administration Route
Oral
Mechanism of Action
Edarbi works by blocking the action of a natural substance called angiotensin II, which causes blood vessels to tighten. By relaxing these blood vessels, it helps to lower blood pressure and improve blood flow throughout the body.
Prescription Status
Rx
Manufacturer
Takeda Pharmaceuticals
Patient Summary
A prescription medicine used to lower high blood pressure in adults.
Onset Time
2 to 4 hours
Duration
24 hours
Storage Instructions
Store in the original package at room temperature away from moisture.
Drug Interactions
Aliskiren, Lithium, NSAIDs, Potassium supplements, Other blood pressure medicines
Age Restrictions
Not recommended for children under 18
Pregnancy Use
Not recommended during pregnancy and breastfeeding. Contact your GP.
Alternative Drugs
Candesartan, Losartan, Valsartan

Edarbi: What Is It and How Does It Work?

Edarbi is a prescription medication that contains azilsartan medoxomil as its active component. It belongs to the class of angiotensin II receptor blockers (ARBs) and is used to manage high blood pressure (hypertension). In Hong Kong, Edarbi is approved by the Department of Health and is available as a 40 mg oral pill.

How Edarbi Works in the Body

Azilsartan medoxomil is a pro-drug that is rapidly converted after absorption to azilsartan, the active ARB. It blocks the binding of angiotensin II to the AT₁ receptors on blood vessels and adrenal tissue. By preventing this interaction:

  • Vasodilation occurs, reducing peripheral resistance.
  • Sodium and water retention are decreased, lowering blood volume.
  • Renin-angiotensin-aldosterone system (RAAS) activity is attenuated, leading to sustained blood-pressure reduction.

The onset of antihypertensive effect typically begins within a few hours of dosing, with peak blood-pressure lowering seen after 2-4 weeks of consistent therapy. The drug’s half-life supports once-daily dosing.

Treating Hypertension with Edarbi

Edarbi is approved in Hong Kong for the treatment of essential hypertension in adult patients. It may be prescribed as monotherapy or in combination with other antihypertensive agents when additional blood-pressure control is needed. The medication is intended for patients who require a once-daily oral regimen and who have no contraindications to ARB therapy.

Evidence-Based Off-Label Uses

Research studies have explored azilsartan in conditions such as heart failure with reduced ejection fraction and diabetic nephropathy. These investigations remain experimental, and the drug is not approved for these indications by regulatory agencies. Off-label use should only be undertaken under close supervision of a qualified healthcare professional, with individualized risk assessment.

Who Should Use Edarbi? Contraindications and Special Populations

Absolute Contraindications

  • Known hypersensitivity to azilsartan medoxomil or any component of the formulation.
  • Pregnancy: ARBs can cause fetal toxicity, especially in the second and third trimesters.
  • Severe hepatic impairment (Child-Pugh class C).

Relative Contraindications

  • Moderate hepatic impairment (dose adjustment may be required).
  • Renal artery stenosis or severe renal dysfunction (eGFR < 30 mL/min/1.73 m²) - heightened risk of worsening renal function.
  • Concurrent use with potassium-sparing diuretics, ACE inhibitors, or direct renin inhibitors in patients at risk for hyperkalaemia.

Special Populations

  • Elderly patients may be more sensitive to blood-pressure lowering effects; start at the recommended dose and monitor closely.
  • Patients with mild to moderate hepatic or renal impairment generally can use the standard 40 mg dose, but clinical judgment is required.
  • Breastfeeding: Not recommended as azilsartan is excreted in milk.

Safety Profile: Side Effects and Interactions

Common Side Effects

  • Dizziness or light-headedness, especially after the first dose.
  • Headache.
  • Fatigue.
  • Minor gastrointestinal discomfort (e.g., nausea, abdominal pain).

These effects are usually mild and tend to resolve with continued therapy.

Serious Adverse Events

  • Angioedema (swelling of face, lips, tongue, or throat) - requires immediate medical attention.
  • Significant hypotension leading to fainting or shock, particularly in volume-depleted patients.
  • Acute kidney injury manifested by abrupt rise in serum creatinine.
  • Hyperkalaemia (elevated blood potassium) that may be life-threatening.

Drug Interactions

  • Potassium-sparing diuretics (e.g., spironolactone), ACE inhibitors, or aliskiren (in diabetic patients) - increase risk of hyperkalaemia.
  • Non-steroidal anti-inflammatory drugs (NSAIDs) - may blunt antihypertensive effect and aggravate renal function.
  • Lithium - concurrent use can raise lithium levels, risking toxicity.
  • Cyclosporine or tacrolimus - may raise azilsartan concentrations; monitor renal function and drug levels.

Food and Lifestyle Interactions

  • Edarbi can be taken with or without food; food does not markedly affect absorption.
  • Excessive alcohol intake may enhance the blood-pressure-lowering effect and increase dizziness.
  • No specific dietary restrictions, but patients with high potassium intake should discuss dietary plans with their clinician.

How to Take Edarbi

  • Standard dosing: One 40 mg pill taken once daily, preferably at the same time each day.
  • Missed dose: Take the missed dose as soon as remembered unless it is near the time of the next scheduled dose; do not double the dose.
  • Overdose: Symptoms may include severe hypotension, dizziness, and renal impairment. Seek emergency medical care; treatment is supportive, and there is no specific antidote.
  • Renal or hepatic impairment: No routine dose reduction is required for mild to moderate impairment, but clinicians may adjust based on laboratory monitoring.
  • Administration: Swallow the pill whole with a glass of water. Do not crush or chew the tablet.
  • Discontinuation: The medication can be stopped without tapering, but blood pressure should be monitored for rebound hypertension.

Monitoring and Follow-Up

  • Blood pressure: Check regularly (e.g., weekly until stable, then at routine visits).
  • Renal function: Serum creatinine and eGFR at baseline, then within 1-2 weeks after initiation and periodically thereafter.
  • Electrolytes: Serum potassium at baseline and periodically, especially if using concomitant potassium-affecting agents.
  • Liver enzymes: May be monitored in patients with hepatic disease.

Patients should contact their healthcare provider if they experience persistent dizziness, swelling, or a sudden increase in blood pressure.

Storage and Handling

  • Store the tablet below 30 °C, in a dry place away from direct sunlight and moisture.
  • Keep the medication out of reach of children; use child-resistant containers if available.
  • Do not use after the expiration date printed on the package.
  • Dispose of unused tablets according to local pharmacy or hazardous waste guidelines.

Medication-Specific Glossary

Angiotensin II Receptor Blocker (ARB)
A class of drugs that inhibit the effects of angiotensin II on AT₁ receptors, promoting vasodilation and reduced blood pressure.
Hyperkalaemia
An abnormally high level of potassium in the blood, which can cause cardiac arrhythmias.
Angioedema
Rapid swelling of the deeper layers of the skin and mucosa, potentially affecting the airway.
Bioavailability
The proportion of the active drug that reaches systemic circulation after oral administration; azilsartan medoxomil has high oral bioavailability after conversion to azilsartan.
Renin-Angiotensin-Aldosterone System (RAAS)
A hormonal cascade that regulates blood pressure, fluid, and electrolyte balance; ARBs target this system to lower blood pressure.

Medical Disclaimer

This article provides educational information about Edarbi and is not a substitute for professional medical advice. Treatment decisions, including use for unapproved indications, must be made under the guidance of a qualified healthcare provider. The content is intended for informational purposes and does not constitute medical recommendations. Always consult a physician before starting, stopping, or changing any medication regimen.

Edarbi FAQ

Can I take Edarbi with my morning coffee?

Yes, Edarbi may be taken with or without food, and coffee does not interfere with its absorption. However, excessive caffeine can raise blood pressure, so moderate intake is advisable.

What should I do if I feel dizzy after the first dose?

Dizziness is a common early side effect as blood pressure drops. Sit or lie down until the feeling passes, and rise slowly. If dizziness persists or is severe, contact your healthcare provider for evaluation.

Is Edarbi safe for people with a history of kidney stones?

Edarbi does not directly affect stone formation, but it can influence renal function. Patients with chronic kidney disease should have their kidney function monitored regularly.

Does Edarbi interact with over-the-counter herbal supplements?

Certain herbs, such as St. John’s wort or potassium-rich supplements, may alter blood pressure control or potassium levels. Discuss all supplements with your clinician before starting Edarbi.

Can I travel internationally with Edarbi tablets?

Yes, but keep the medication in its original prescription label, carry a copy of the prescription, and store it in your carry-on luggage. Some countries may require a doctor’s note for antihypertensive drugs.

How does Edarbi compare to other ARBs like losartan?

Both belong to the ARB class and lower blood pressure by similar mechanisms. Clinical trials suggest azilsartan may achieve slightly greater blood-pressure reductions at equivalent doses, but individual response varies.

Will Edarbi affect my cholesterol levels?

ARBs have a neutral effect on lipid profiles; Edarbi is not known to raise or lower cholesterol.

What imprint appears on Edarbi tablets?

In Hong Kong, 40 mg Edarbi tablets typically bear the imprint “ED40” on one side and the manufacturer's logo on the other. Verify imprint details with your pharmacist.

Is a generic version of azilsartan medoxomil available in Hong Kong?

As of the latest information, Edarbi is the branded form approved in Hong Kong. Generic azilsartan may become available pending regulatory review; consult your pharmacist for current options.

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