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Leuprorelin

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Also called: Leuprorelin Acetate, GH + Leuprorelin, Leuprorelin acetate microspheres

By The Health Stacks Research TeamUpdated September 15, 2026

Leuprorelin is a special kind of medicine known as a hormone drug. It is often used by doctors to help people with specific health issues like certain cancers or conditions that affect the reproductive system. It works by talking to the body's control center to change how it makes hormones. This drug is usually given as a shot by a nurse or doctor, rather than being a pill you take at home.

The main job of this drug is to lower the amount of certain hormones in the body. For men with prostate cancer, it helps reduce testosterone to slow the cancer down. For women with health problems like endometriosis, it helps manage pain and other symptoms by calming down the cycle of hormones. It is very strong and is used when other simpler treatments have not worked well enough.

Because it is so strong, it can cause side effects like hot flashes or changes in mood. It is important to have a doctor watch over the treatment closely. While it helps with serious conditions, it is not a cure for everything and needs to be part of a larger plan with your doctor. Newer pills might be coming out that work in similar ways, but the shot form is the one most commonly used right now.

ApprovedApproved by a regulator (e.g. FDA) for a specific medical use — the highest research-status tier. High confidence60–79 — backed by solid sources with good corroboration across multiple citations.

Benefits

What Leuprorelin Helps With

The benefits people report — backed by research.

Cancer / tumor (4)

Treatment of advanced prostate carcinoma 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →Treatment of premenopausal breast cancer 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →Ovarian Function Suppression in HR+ Breast Cancer 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →Advanced Prostate Cancer Treatment 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →

Reproductive & hormonal (2)

Growth Enhancement in Children with Pituitary Microadenoma 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →Reduces the size of endometriosis implanted tissue 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →

Neuroprotection & cognitive (1)

Reduces endometriosis symptoms including pelvic pain, painful periods, and pain during sex 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →

More reported benefits (2)

Treatment of central precocious puberty 72/100Rated 72/100Source typeEstablished referenceIndependent sources2Every claim links to the page it came from, and stronger sources rate higher. Full methodology →· 2 srcSuppresses the natural hormonal cycle for IVF preparation 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →

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How People Use It

1 reported routine — each line links to the source it came from.

From published sources

Routines as reported in peer-reviewed papers, clinical guidance, or vetted media — each linked to the source it came from.

SubQ

  • 45 mg subcutaneous Q6M, 24 mo 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →↗ source

mg vs mcg: one milligram (mg) equals 1,000 micrograms (mcg) — multiply by 1,000 going from mg to mcg, divide by 1,000 going from mcg to mg. Mixing the two up is a thousand-fold dosing error: 1 mg taken instead of 1 mcg is a 1,000× overdose; 1 mcg instead of 1 mg is a 1,000× underdose. Always double-check the unit label and the decimal place.

Safety

Known Side Effects

Adverse effects reported in the research and by community use.

  • Hot flashesModerate 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →synapse.patsnap.com
  • PainModerate 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →synapse.patsnap.com
  • FatigueModerate 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →synapse.patsnap.com
  • Psychiatric disordersModerate 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →synapse.patsnap.com
  • Global health degradationModerate 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →synapse.patsnap.com
  • AcneMild 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →medicalnewstoday.com
  • Swelling and fluid retentionMild 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →medicalnewstoday.com
  • Night sweats and hot flashesModerate 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →medicalnewstoday.com
  • Breast pain and tendernessMild 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →medicalnewstoday.com
  • Joint pain and body achesModerate 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →medicalnewstoday.com
  • HeadachesMild 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →medicalnewstoday.com
  • Reduced sex driveMild 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →medicalnewstoday.com
  • AnxietyModerate 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →medicalnewstoday.com
  • Nausea and vomitingMild 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →medicalnewstoday.com
  • Loss of bone density (potentially irreversible)Severe 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →medicalnewstoday.com
  • Worsening of existing depression symptomsModerate 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →medicalnewstoday.com
  • Fetal harm / congenital abnormalities (Pregnancy Category X)LifeThreatening 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →medicalnewstoday.com
  • depressionModerate 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →medicalnewstoday.com
  • and mood swingsModerate 72/100Rated 72/100Source typeEstablished referenceIndependent sources1Every claim links to the page it came from, and stronger sources rate higher. Full methodology →medicalnewstoday.com

Reported in research and community sources — not exhaustive. Discontinue use and consult a healthcare professional if side effects occur.

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