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What Is Eulexin?

Eulexin is a prescription flutamide capsule. Flutamide is a nonsteroidal antiandrogen used with luteinizing hormone-releasing hormone agonists for selected prostate cancers. Each capsule contains 125 mg of flutamide, and current DailyMed labeling describes combination treatment rather than flutamide use by itself.

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What Is Eulexin?

Eulexin is a prescription flutamide capsule. Flutamide is a nonsteroidal antiandrogen used with luteinizing hormone-releasing hormone agonists for selected prostate cancers. Each capsule contains 125 mg of flutamide, and current DailyMed labeling describes combination treatment rather than flutamide use by itself.

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How Does Eulexin Block Androgen Activity?

Flutamide interferes with androgen activity in target tissues by inhibiting androgen uptake, nuclear androgen binding, or both. Prostate cancer cells can depend on androgen signaling for growth. Blocking androgen effects complements the reduction in testicular androgen production produced by an LHRH agonist.

Which Prostate Cancers Are Treated With Eulexin?

Eulexin is indicated with an LHRH agonist for locally confined stage B2 to C prostate cancer and stage D2 metastatic prostate cancer. For stage B2 to C disease, treatment begins before radiation and continues during radiation. For metastatic disease, flutamide begins with the LHRH agonist and continues until progression.

How Is Eulexin Dosed?

The recommended dose is two 125 mg capsules three times daily at eight-hour intervals. This equals 250 mg per dose and 750 mg total each day. The medicine is used as part of combined androgen blockade with an LHRH agonist.

What Serious Risks Are Linked to Eulexin?

Eulexin carries a boxed warning for serious liver injury, including liver failure requiring hospitalization and rare deaths. Liver enzymes are measured before treatment, monthly during the first four months, and periodically afterward. Severe hepatic impairment is a contraindication, and treatment stops if jaundice develops or ALT rises above the labeled threshold.

Frequently Asked Questions About Eulexin

What medicine is in Eulexin?

Eulexin contains flutamide, a nonsteroidal antiandrogen.

Is Eulexin used by itself for prostate cancer?

No. Current labeling uses Eulexin together with an LHRH agonist.

What is the Eulexin dose?

The recommended dose is 250 mg three times daily at eight-hour intervals.

Why are liver tests needed with Eulexin?

Flutamide can cause severe liver injury, including rare fatal liver failure.

References

DailyMed - EULEXIN (flutamide) capsule. https://www.dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=0a905e25-42b6-4937-a689-f01a8f22e644. Date Accessed September 30, 2026.

Flutamide. LiverTox. https://www.ncbi.nlm.nih.gov/books/NBK548908/. Date Accessed September 30, 2026.

Flutamide. MedlinePlus. https://www.medlineplus.gov/druginfo/meds/a697045.html. Date Accessed September 30, 2026.

Flutamide. National Cancer Institute. https://www.cancer.gov/about-cancer/treatment/drugs/flutamide. Date Accessed September 30, 2026.

Flutamide. PubChem. https://pubchem.ncbi.nlm.nih.gov/compound/Flutamide. Date Accessed September 30, 2026.