 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  no longer needed. Consult your pharmacist or local waste disposal company.The uses of Leuprolide (4 Month) Intramuscular: Leuprolide is used to treat advanced prostate cancer. It is not a cure. Most types of prostate cancer need the hormone testosterone to grow and spread. Leuprolide works by reducing the amount of testosterone that the body makes. This helps slow or stop the growth of cancer cells and helps relieve symptoms such as painful/difficult urination. Talk to your doctor about the risks and benefits of treatment. How to use Leuprolide (4 Month) Syringe Kit Read the Patient Information Leaflet if available from your pharmacist before you start using leuprolide and each time you get a refill. If you have any questions, ask your doctor or pharmacist. This medication is given by injection into a muscle by a health care professional. It is given as directed by your doctor, usually once every 4 months (every 16 weeks). This product slowly releases the medication into your blood over a 4-month period. If you are using this medication at home, learn all preparation and usage instructions from your health care professional and the product package. Learn how to store and discard medical supplies safely. Wash your </s>