This medication is usually given by injection into a vein as directed by your doctor, usually every 6 hours. It should be injected slowly over 20 to 60 minutes. Erythromycin may also be given continuously.

You should use this injectable medication only until you are able to take an antibiotic by mouth or until your treatment is finished. The dosage and length of treatment are based on your medical condition, weight, and response to treatment.

If you are using this medication at home, learn all preparation and usage instructions from your health care professional. 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, use this antibiotic at evenly spaced times. To help you remember, use this medication at the same time(s) every day.

If you are using this medication to treat an infection, continue to use this medication until the full prescribed amount is finished, 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.

If you are using this medication to prevent certain bacterial infections, use it exactly as directed by your doctor. Do not stop using the medication without your doctor's approval.