- Early-Stage Breast Cancer: Given as an adjuvant (follow-up) therapy to lower the risk of cancer returning in postmenopausal women who have already taken tamoxifen for 2 to 3 years, completing a total of 5 years of hormonal treatment. [1]
- Standard Dose: One 25 mg tablet taken orally once daily.
- Hot flashes and increased sweating
- Fatigue, headache, and trouble sleeping (insomnia)
- Joint pain (arthralgia) and back pain
What is Aromasin used for in men?
- Lowers estrogen: It reduces circulating estrogen levels in the body.
- Raises testosterone: By decreasing estrogen and changing the testosterone-to-estrogen ratio, it can increase natural luteinizing hormone (LH), follicle-stimulating hormone (FSH), and testosterone levels. Studies show short-term use in healthy men can boost testosterone by around 38% to 60%.
National Institutes of Health (NIH) | (.gov) +3
- Late-onset hypogonadism: Sometimes prescribed to help normalize testosterone in men with low testosterone
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National Institutes of Health (NIH) | (.gov)
- Obesity-associated hypogonadism: In men with obesity, excess fat tissue converts more testosterone into estrogen; Aromasin can help lower excess estrogen and raise testosterone in these specific cases.
ScienceDirect.com
- Delayed puberty / short stature: Used under specialist care to delay bone maturation and help increase adult height in boys with constitutional delay or growth concerns.
National Institutes of Health (NIH) | (.gov) +1
- Male breast cancer: Rarely used (though tamoxifen is typically preferred).
Journal of Hematology Oncology Pharmacy
- Bone health risks: Lowering estrogen too much in men can lead to decreased bone mineral density, weakened bones, and a higher risk of fractures.
Medical News Today +1
- Sexual and mood side effects: Can cause joint pain, fatigue, high blood pressure, headaches, as well as lower libido and erectile dysfunction if estrogen drops too low.
YouTube·Pacific Northwest Urology Specialists, PLLC +1
- Bodybuilding misuse: It is sometimes misused by athletes or bodybuilders trying to prevent estrogenic side effects (like gynecomastia) from anabolic steroids. The World Anti-Doping Agency bans it for this reason, and clinical guidelines generally advise against routine use alongside Testosterone Replacement Therapy (TRT) because it can worsen outcomes like bone density and libido
What is Exemestane (Aromasin) 25 mg?
Exemestane (brand name Aromasin®) is a prescription medication used to treat hormone-receptor-positive (ER+) breast cancer in postmenopausal women.
Each tablet contains 25 mg of the active substance.
🛡️ Mechanism of Action
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Aromatase Inhibitor: It blocks the aromatase enzyme, which converts androgen hormones into estrogen in the body.
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Irreversible Binding: It binds permanently (suicide inhibition) to the enzyme, effectively shutting down estrogen production.
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Halts Cancer Growth: By severely lowering estrogen levels, it starves the cancer cells that rely on this hormone to grow.
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📌 Main Uses
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Sequential Therapy: Taken after 2–3 years of tamoxifen treatment to complete a total 5-year course of hormone therapy.
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Advanced Breast Cancer: Used when the cancer has progressed despite other treatments like tamoxifen.
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⚠️ Important Usage Details
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Dosage: The standard dose is one 25 mg tablet taken once daily, preferably after a meal.
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Bone Health: Lowering estrogen can cause bone loss (osteoporosis), so regular bone density monitoring is usually recommended.
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