Read the Patient Information Leaflet if available from your pharmacist before you start using laronidase 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 vein as directed by your doctor, usually every week. The injection is given by a health care professional, usually over 3 to 4 hours. The dosage is based on your medical condition, weight, and response to treatment.

Infusion reactions may happen during the infusion of this drug. Your doctor may prescribe other medications 60 minutes before each treatment to help prevent these side effects. Tell your doctor right away if you have any symptoms of infusion reactions such as flushing, fever, headache, or abdominal pain. Your doctor may slow down or stop your treatment for some time. See also Warning section.

Use this medication regularly to get the most benefit from it. To help you remember, it may help to mark your calendar with a reminder.

Tell your doctor if your condition gets worse.