Buy Aromasin
Aromasin

4.73
A hormone therapy used to treat certain types of breast cancer in women who have gone through menopause.


Ingredient
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
Aromasin
Active Ingredient(s)
Exemestane
Primary Category
Cancer Treatment
Therapeutic Class
Endocrine therapy, Aromatase inhibitors
Pharmacological Class
Irreversible Steroidal Aromatase Inactivators
Indications
Breast cancer in postmenopausal women
Contraindications
Pregnancy, Premenopausal status, Hypersensitivity to exemestane
Minor Side Effects
Hot flushes, Nausea, Fatigue, Increased sweating
Moderate Side Effects
Joint pain, Insomnia, Dizziness, Carpal tunnel syndrome
Serious Side Effects
Bone fractures, Osteoporosis, Liver toxicity, Blood clots
Dosage Forms
Tablet
Administration Route
Oral
Mechanism of Action
It works by binding to and inhibiting the enzyme aromatase, which is responsible for producing oestrogen in postmenopausal women. By lowering oestrogen levels, it slows or stops the growth of breast tumours that need oestrogen to grow.
Prescription Status
Rx
Manufacturer
Pfizer
Patient Summary
A hormone therapy used to treat certain types of breast cancer in women who have gone through menopause.
Onset Time
Several weeks for therapeutic effect
Duration
24 hours
Storage Instructions
Store at room temperature
Drug Interactions
Rifampicin, St John's Wort, Oestrogen-containing medicines
Age Restrictions
Not for use in children or premenopausal women
Pregnancy Use
Contraindicated in pregnancy and breastfeeding.
Alternative Drugs
Letrozole, Anastrozole, Tamoxifen

Aromasin: Exemestane Overview

Aromasin (generic name exemestane) is a prescription medication classified as an aromatase inhibitor and is used as part of oncology support for hormone-responsive breast cancer. It is supplied as a 25 mg oral pill. In Hong Kong, the drug is regulated by the Department of Health under the Pharmacy and Poisons Ordinance and is available only with a medical prescription.

How Exemestane Works in the Body

Exemestane belongs to the steroidal aromatase inhibitor class. Aromatase is an enzyme that converts androgens (such as testosterone) into estrogens. By binding irreversibly to the aromatase enzyme, exemestane reduces estrogen production throughout the body. Lower estrogen levels help to slow the growth of estrogen-dependent breast cancer cells.

  • Onset: Hormone suppression begins within a few days of the first dose.
  • Peak effect: Maximum estrogen reduction is typically reached after 1-2 weeks of continuous therapy.
  • Duration: The inhibitory effect persists for the lifespan of the enzyme, allowing once-daily dosing.

Conditions Treated with Aromasin

Approved Medical Uses

Aromasin is approved for the adjuvant treatment of post-menopausal women with hormone-receptor-positive early breast cancer. It may also be used in the metastatic setting when disease progression occurs after prior endocrine therapy. The indication is consistent with approvals from the U.S. FDA, the European EMA, and the Hong Kong Department of Health.

  • Primary patient population: Post-menopausal women who have completed surgery, radiation, or chemotherapy and require hormonal suppression to lower recurrence risk.

Off-Label and Investigational Applications

Exemestane has been studied off-label for conditions such as gynecomastia prevention in men receiving androgen deprivation therapy and male breast cancer. These uses are not approved by regulatory agencies in Hong Kong.

Disclaimer: Off-label use requires medical supervision and individualized risk assessment.

Who Should (and Should Not) Use Aromasin?

Absolute Contraindications

  • Known hypersensitivity to exemestane or any pill excipients.
  • Pregnancy or breastfeeding (exemestane can harm a developing fetus and is contraindicated).

Relative Contraindications

  • Severe hepatic impairment (exemestane is metabolized in the liver).
  • History of thromboembolic events, as estrogen suppression can increase clotting risk.

Special Populations

  • Pregnancy & lactation: Not recommended; effective contraception is required for women of child-bearing potential.
  • Elderly patients: May require dose assessment if liver function is compromised.
  • Men: Use only when specifically prescribed for off-label indications, with careful monitoring.

Safety Profile: Side Effects and Interactions

Common Side Effects

  • Hot flashes
  • Joint or muscle aches (arthralgia, myalgia)
  • Fatigue
  • Nausea or mild stomach upset

These effects are typically mild to moderate and often improve with continued therapy or supportive measures such as lifestyle adjustments and over-the-counter analgesics.

Serious Adverse Events

  • Bone loss/osteoporosis: Long-term estrogen suppression can reduce bone mineral density. Periodic bone density testing is advised.
  • Venous thromboembolism (VTE): Signs include unexplained leg swelling, pain, or shortness of breath; seek urgent medical care.
  • Severe hepatic dysfunction: Jaundice, dark urine, or persistent nausea may indicate liver injury.

Drug Interactions

  • CYP3A4 inducers (e.g., rifampin, carbamazepine) may lower exemestane levels, reducing effectiveness.
  • Anticoagulants (e.g., warfarin) can have altered INR values; close monitoring is required.

If you are taking other prescription drugs, supplements, or herbal products, discuss potential interactions with your pharmacist or oncologist.

Food and Lifestyle Interactions

  • Exemestane can be taken with or without food; consistency with meals helps maintain steady absorption.
  • Moderate alcohol consumption does not generally affect exemestane, but excessive intake can worsen liver strain.
  • No known effects on driving or the use of machinery, but severe fatigue or dizziness should be reported.

How to Take Aromasin

  • Standard dosing: One 25 mg pill taken once daily, preferably at the same time each day.
  • Administration: Swallow the pill whole with a glass of water. Do not crush or split unless instructed by a healthcare professional.
  • Missed dose: Take the missed dose as soon as you remember unless it is close to the time of the next scheduled dose; in that case, skip the missed dose and continue with the regular schedule. Do not double-dose.
  • Overdose: Symptoms may include nausea, vomiting, or severe fatigue. Seek emergency medical attention; there is no specific antidote.
  • Discontinuation: Do not stop abruptly without consulting your oncologist. A gradual taper is not required for exemestane, but a medical review is essential to assess disease status and manage any lingering side effects.

Monitoring and Follow-Up

  • Liver function tests (LFTs): Baseline and periodic monitoring are recommended, especially in patients with pre-existing hepatic conditions.
  • Bone health: Dual-energy X-ray absorptiometry (DEXA) scans at baseline and annually to detect osteoporosis. Calcium and vitamin D supplementation may be advised.
  • Clinical assessment: Routine oncology visits to evaluate tumor response, side-effect burden, and overall wellbeing.

Storage and Handling

  • Store the pills at room temperature (20-25 °C / 68-77 °F), away from moisture, heat, and direct sunlight.
  • Keep the container tightly closed and out of reach of children.
  • Do not use the medication after the expiration date printed on the label.
  • For safe disposal, return unused pills to a pharmacy take-back program or follow local hazardous waste guidelines.

Medication-Specific Glossary

Aromatase Inhibitor
A class of drugs that block the aromatase enzyme, preventing the conversion of androgens to estrogens.
Bone Mineral Density (BMD)
A measurement of the amount of mineral matter per square centimeter of bone, used to assess osteoporosis risk.
Irreversible Inhibition
A type of enzyme inhibition where the inhibitor forms a permanent bond, rendering the enzyme inactive for its lifespan.

Medical Disclaimer

This article provides educational information about Aromasin (exemestane) 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.

Aromasin FAQ

What should I do if I experience severe joint pain while taking Aromasin?

Severe joint pain may be a side effect of estrogen suppression. Discuss the symptom with your oncologist; they may recommend analgesics, physical therapy, or a temporary dose adjustment.

Can Aromasin affect my cholesterol levels?

Aromatase inhibitors can modestly increase LDL cholesterol and decrease HDL cholesterol in some patients. Periodic lipid panel testing is advisable, and dietary modifications may be recommended.

Is it safe to take calcium supplements while on Aromasin?

Yes, calcium (with vitamin D) is often prescribed to counteract bone loss associated with aromatase inhibition. Follow the dosage guidance provided by your healthcare team.

How long will I need to stay on Aromasin after completing breast cancer treatment?

The duration of adjuvant therapy varies; many protocols prescribe 5 years of continuous aromatase inhibition, but your oncologist will tailor the schedule based on individual risk factors.

Will Aromasin interfere with hormone replacement therapy (HRT)?

Exemestane suppresses estrogen production, so it counteracts the effects of HRT. Concurrent use is generally avoided unless a specialist explicitly recommends a combined approach.

Can I travel internationally with Aromasin pills?

Yes, but keep the medication in its original labeled container, carry a copy of the prescription, and be aware of any country-specific import restrictions for prescription drugs.

What imprint or appearance distinguishes genuine Aromasin tablets?

Aromasin 25 mg tablets are typically round, white, and bear the imprint “EXE 25”. Verify the imprint and packaging against the pharmacist’s label.

Are there any dietary restrictions while taking Aromasin?

No specific foods must be avoided, but a balanced diet rich in calcium and vitamin D supports bone health. Excessive grapefruit juice can affect drug metabolism and should be limited.

How does Aromasin compare to other aromatase inhibitors like letrozole?

Both suppress estrogen, but exemestane is a steroidal (irreversible) inhibitor, whereas letrozole is non-steroidal (reversible). Clinical choice depends on patient tolerance, prior therapy, and physician preference.

Is a medication review required before starting Aromasin if I take over-the-counter supplements?

Yes. Supplements such as St. John’s wort can induce liver enzymes and lower exemestane levels. Provide a complete list of all products you use to your pharmacist or oncologist.

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