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Asfotase alfa Solution for injection
What is this medicine?
ASFOTASE ALFA (AZ fo tase AL fa) is a drug that is used to replace an enzyme in patients with hypophosphatasia (HPP). It is not a cure.
How should I use this medicine?
This medicine is for injection under the skin. You will be taught how to prepare and give this medicine. Use exactly as directed. Take your medicine at regular intervals. Do not take your medicine more often than directed.
It is important that you put your used needles and syringes in a special sharps container. Do not put them in a trash can. If you do not have a sharps container, call your pharmacist or healthcare provider to get one.
Talk to your pediatrician regarding the use of this medicine. While this drug may be prescribed for children and infants for selected conditions, precautions do apply.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
blood in the urine, pain in the lower back or side, pain when urinating
changes in vision
fever or chills
Side effects that usually do not require medical attention (Report these to your doctor or health care professional if they continue or are bothersome.):
pain, bruising, redness, or irritation at site where injected
skin thickening or pits in the skin due to overuse of a particular injection site
What may interact with this medicine?
Interactions are not expected.
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Where should I keep my medicine?
Keep out of the reach of children.
Store unopened vials in the refrigerator between 2 and 8 degrees C (36 and 46 degrees F). Do not freeze. Do not shake. Protect from light. Keep in the original carton until time of use. Use within 1 hour upon removal of the vial(s) from refrigeration. Throw away any unused medicine in an opened vial. Throw away any unused unopened vials after the expiration date on the carton.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
kidney stones or other kidney disease
an unusual reaction to asfotase alfa, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
What should I watch for while using this medicine?
Visit your doctor for regular check ups. Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse. You may need blood work or kidney tests done while you are taking this medicine. You will also receive eye exams regularly. Tell your doctor or health care professional if you have any change in your eyesight.
You can be a part of a registry for patients with hypophosphatasia. This registry may ask for information over a long time. Ask your healthcare professional for more information.