This medication is usually given by injection into a vein as directed by your doctor, usually once a day. It should be injected slowly over 2 hours. The dosage is based on your medical condition, weight, and response to treatment.

If you are giving this medication to yourself 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.

Infusion reactions may happen during the infusion of this drug. Your doctor may prescribe other medications (including acetaminophen, diphenhydramine, corticosteroids such as hydrocortisone) before each treatment to help prevent these side effects. Tell your doctor right away if you have any symptoms of infusion reactions such as fever, shaking, chills, flushing, loss of appetite, dizziness, nausea, vomiting, headache, shortness of breath, or fast breathing. Your doctor may give you other medications to help with these side effects.

It may be necessary to continue this medication for several weeks to several months in order to treat certain infections. Stopping the medication too early may result in a return of the infection.

Tell your doctor if your condition lasts or gets worse.