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General Information ⬇

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Use ⬆ ⬇

WHY is this medicine prescribed?

Leuprolide injection is used to treat

Leuprolide injection is in a class of medications called gonadotropin-releasing hormone (GnRH) agonists. It works by decreasing the amount of certain hormones in the body.

HOW should this medicine be used?

Leuprolide injection comes as a long-acting suspension (liquid) that is injected intramuscularly (into a muscle) or subcutaneously (just under the skin) by a doctor or nurse in a medical office or clinic. It is given once a month or once every 3, 4, or 6 months. Your doctor will tell you how often you will receive long-acting leuprolide injection. Leuprolide injection also comes as a solution (that is injected subcutaneously once a day. Your doctor will select the best product for your condition and tell you how long your treatment will last.

Leuprolide may cause an increase in certain hormones in the first few weeks after injection. Your doctor will monitor you carefully for any new or worsening symptoms during this time.

If you are injecting leuprolide injection solution, you may receive your first in your doctor's office. After that, your doctor may allow you or a caregiver to give the injections at home. Before you use leuprolide injection solution yourself the first time, read the manufacturer's information for the patient that comes with the medication. Ask your doctor or pharmacist to show you or your caregiver how to inject it.

Ask your pharmacist or doctor for a copy of the manufacturer's information for the patient.

Are there OTHER USES for this medication?

Leuprolide injection may also be used to treat certain types of breast cancer.

This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.

Special ⬆ ⬇

What SPECIAL PRECAUTIONS should I follow?

Before receiving leuprolide injection,

What SPECIAL DIETARY instructions should I follow?

Unless your doctor tells you otherwise, continue your normal diet.

What should I do IF I FORGET to take a dose?

If you miss an appointment to receive an injection of leuprolide, you should call your healthcare provider right away to reschedule your appointment.

Side Effects ⬆ ⬇

What SIDE EFFECTS can this medicine cause?

Leuprolide injection may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:

Some side effects can be serious. If you experience any of these symptoms, call your doctor immediately:

Leuprolide injection may cause a decrease in the density of your bones which can increase the chance of broken bones. Talk to your doctor about the risks of using this medication and to find out what you can do to decrease these risks.

In children receiving leuprolide injection for precocious puberty, new or worsening symptoms of sexual development may occur during the first few weeks of treatment. In girls receiving leuprolide injection for precocious puberty, the onset of menstruation or spotting (light vaginal bleeding) may occur during the first two months of treatment. If bleeding continues beyond the second month, call your doctor.

Leuprolide injection may cause other side effects. Call your doctor if you have any unusual problems while receiving this medication.

If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online (http://www.fda.gov/Safety/MedWatch) or by phone (1-800-332-1088).

Overdose ⬆ ⬇

What should I do in case of OVERDOSE?

In case of overdose, call the poison control helpline at 1-800-222-1222. Information is also available online at http://www.poisonhelp.org/help. If the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened, immediately call emergency services at 911.

Storage ⬆ ⬇

What should I know about STORAGE and DISPOSAL of this medication?

If you are using leuprolide injection solution, your healthcare provider will tell you how to store your medication. Store your medication only as directed. Make sure you understand how to store your medication properly

Keep all medication out of sight and reach of children as many containers are not child-resistant. Always lock safety caps. Place the medication in a safe location - one that is up and away and out of their sight and reach.http://www.upandaway.org

Dispose of unneeded medications in a way so that pets, children, and other people cannot take them. Do not flush this medication down the toilet. Use a medicine take-back program. Talk to your pharmacist about take-back programs in your community. Visit the FDA's Safe Disposal of Medicines websitehttp://goo.gl/c4Rm4p for more information.

Miscellaneous ⬆

What OTHER INFORMATION should I know?

Keep all appointments with your doctor and the laboratory. Your doctor will order certain lab tests to check your body's response to leuprolide injection.

Ask your pharmacist any questions you have about leuprolide injection.

Keep a written list of all of the prescription and nonprescription (over-the-counter) medicines vitamins, minerals, and dietary supplements you are taking. Bring this list with you each time you visit a doctor or if you are admitted to the hospital. You should carry the list with you in case of emergencies.

This branded product is no longer on the market. Generic alternatives may be available.

This report on medications is for your information only, and is not considered individual patient advice. Because of the changing nature of drug information, please consult your physician or pharmacist about specific clinical use.

The American Society of Health-System Pharmacists, Inc. represents that the information provided hereunder was formulated with a reasonable standard of care, and in conformity with professional standards in the field. The American Society of Health-System Pharmacists, Inc. makes no representations or warranties, express or implied, including, but not limited to, any implied warranty of merchantability and/or fitness for a particular purpose, with respect to such information and specifically disclaims all such warranties. Users are advised that decisions regarding drug therapy are complex medical decisions requiring the independent, informed decision of an appropriate health care professional, and the information is provided for informational purposes only. The entire monograph for a drug should be reviewed for a thorough understanding of the drug's actions, uses and side effects. The American Society of Health-System Pharmacists, Inc. does not endorse or recommend the use of any drug. The information is not a substitute for medical care.

AHFS® Patient Medication Information™ Copyright, 2026. The American Society of Health-System Pharmacists®, 4500 East-West Highway, Suite 900, Bethesda, Maryland. All Rights Reserved. Duplication for commercial use must be authorized by ASHP.

Selected Revisions: April 15, 2026.