This medication is given by injection into a vein as directed by your doctor, usually every 8 or 12 hours. The dosage is based on your medical condition and response to treatment. Children's 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. Before using, check the 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, use this antibiotic at evenly spaced times. To help you remember, use this medication at the same time(s) every day.

Continue to use this medication for the full time prescribed, even if symptoms disappear after a few days. Stopping the medication too early may result in a return of the infection.

Tell your doctor if your condition lasts or gets worse.