 <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]  down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.The uses of Bicillin L-A Intramuscular: Penicillin G benzathine is used to treat a wide variety of bacterial infections. It may also be used to prevent certain bacterial infections (such as rheumatic fever). This medication is a long-acting penicillin antibiotic. It works by stopping the growth of bacteria. How to use Bicillin L-A Syringe This medication is given by injection into a large muscle as directed by your doctor. The dosage is based on your medical condition and response to treatment. For children, the dosage is also based on age and weight. If you are using this medication at home, learn all preparation and usage instructions from your health care professional. Do not inject into or near an artery, nerve, or vein. See also Warning section. Change the injection site each time to lessen injury to the muscle. Before using, check this product visually for particles or discoloration. If either is present, do not use the liquid. Learn how to store and discard medical supplies safely. For the best effect </s>