What is Aldurazyme?

Life-threatening anaphylactic reactions have been reported in some patients during laronidase infusions. Therefore, when laronidase is administered, appropriate medical support should be readily available. Patients with compromised respiratory function or acute respiratory disease may be at risk of serious acute exacerbation of their respiratory condition due to infusion reactions and need additional monitoring .

Laronidase is used to treat Hurler and Hurler-Schele syndrome forms of mucopolysaccharidosis (MPS I) disease caused by the lack of a certain enzyme called α-L-iduronidasein the body.

Laronidase is available only with your doctor's prescription.

A nurse or other trained health professional will give you this medicine. This medicine is given through a needle placed in one of your veins .

You may also be given other medicines to keep you from having a fever or to prevent allergic reactions before you receive the injection .

In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:

Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.

Appropriate studies have not been performed on the relationship of age to the effects of laronidase in children younger than 5 years of age. Safety and efficacy have not been established .

Appropriate studies on the relationship of age to the effects of laronidase have not been performed in the geriatric population .

There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.

The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:

• Breathing problems or
• Lung disease—Use with caution. May make these conditions worse .

It is very important that your doctor check your progress at regular visits. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to take it .

This medicine may cause a serious type of allergic reaction called anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention. Call your doctor right away if you have a rash; itching; swelling of the face, tongue, and throat; lightheadedness; slow or irregular heartbeat; shortness of breath; trouble breathing; or chest pain or tightness after you get the injection .