It is important to take an active role in healthcare when a rare disease such as hypophosphatasia affects you or your child. The same is true even after starting Strensiq®.
Suggested questions to ask your doctor, nurse, or pharmacist
- Will Strensiq affect any other medications being taken?
- Once Strensiq is started, how often should we visit the doctor?
Keep a list of any other questions you may have for the doctor and bring them to your next appointment.
Important Safety InformationWhat is Strensiq® (asfotase alfa)?
Strensiq is a prescription medicine used to treat people with perinatal/infantile- and juvenile-onset hypophosphatasia (HPP).What are the possible side effects of Strensiq?
Strensiq may cause serious side effects, including
- Serious allergic (hypersensitivity) reactions. Serious allergic reactions have happened in some people who use Strensiq. Stop using Strensiq and go to the nearest hospital emergency room right away if you have any of the signs and symptoms of a serious allergic reaction, including
- Difficulty breathing
- Swelling of your eyes, lips, or tongue
- Feeling faint
- Nausea or vomiting
- Itching of your lips, tongue, or throat
- Choking sensation
- Skin thickening or pits at the injection site (lipodystrophy). Lipodystrophy at the injection site has happened several months after using Strensiq
- Calcium buildup in your eyes and kidneys. Your healthcare provider should check your eyes and kidneys while you use Strensiq
Tell your doctor if you are pregnant or plan to become pregnant, or are breastfeeding or plan to breastfeed.
These are not all of the possible side effects of Strensiq. For more information, ask your healthcare provider or pharmacist. Call your healthcare provider for medical advice about side effects. You may report side effects to the US Food and Drug Administration at 1-800-FDA-1088.