Side Effects
It's important to talk to your doctor if you have concerns about side effects. When taking FORTEO, you may experience side effects.
What is the most important information I should know about FORTEO?
WARNING: POTENTIAL RISK OF OSTEOSARCOMA
During the drug testing process, the medicine in FORTEO caused some rats to develop a bone cancer called osteosarcoma. In people, osteosarcoma is a serious but rare cancer. Osteosarcoma has been reported rarely in people who took FORTEO. It is not known if people who take FORTEO have a higher chance of getting osteosarcoma. Before you take FORTEO, you should tell your healthcare provider if you have Paget's disease of bone, are a child or young adult whose bones are still growing, or have had radiation therapy.
- You should not take FORTEO for more than 2 years over your lifetime
Other serious side effects include:
- A decrease in blood pressure when you change positions. Some people feel dizzy, get a fast heartbeat, or feel faint right after the first few doses. This usually happens within 4 hours of taking FORTEO and goes away within a few hours. For the first few doses, take your injections of FORTEO in a place where you can sit or lie down right away if you get these symptoms. If your symptoms get worse or do not go away, stop taking FORTEO and call your healthcare provider
- Increased calcium in your blood. Tell your healthcare provider if you have nausea, vomiting, constipation, low energy, or muscle weakness. These may be signs there is too much calcium in your blood
Common side effects of FORTEO include:
Tell your healthcare provider if you have any side effect that bothers you or that does not go away. These are not all the possible side effects of FORTEO. For more information, ask your doctor or pharmacist. Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
Who Should Not use FORTEO?
Do not use FORTEO if you:
- are allergic to any of the ingredients in FORTEO. (see the Medication Guide for a complete list of the ingredients in FORTEO)
What should I tell my healthcare provider before taking FORTEO?
Before you take FORTEO, tell your healthcare provider if you:
- have the condition listed in the section above “Who should not use FORTEO?”
- have Paget’s disease or other bone disease
- have cancer in your bones
- have trouble injecting yourself and do not have someone who can help you
- are a child or young adult whose bones are still growing
- have or have had kidney stones
- have had radiation therapy
- have or had too much calcium in your blood
- have any other medical conditions
- are pregnant or thinking about becoming pregnant. It is not known if FORTEO will harm your unborn baby
- are breast-feeding or plan to breast-feed. It is not known if FORTEO passes into your breast milk. You and your doctor should decide if you will take FORTEO or breast feed. You should not do both
Be sure to be completely open with your doctors about any medical conditions you have, so they can make sure FORTEO is appropriate for you.
Indications for FORTEO:
- FORTEO® (teriparatide [rDNA origin] injection) is used in both men and postmenopausal women with osteoporosis who are at high risk for having broken bones (fractures).
- FORTEO is used in both men and women with osteoporosis due to use of glucocorticoid medicines, such as prednisone, for several months, who are at high risk for having broken bones (fractures).
- FORTEO can be used by people who have had a fracture related to osteoporosis, or who have several risk factors for fracture, or who can not use other osteoporosis treatments.
FORTEO is a prescription medicine given as a 20 microgram once-daily dose available in a 2.4 mL delivery device for subcutaneous injection over 28 days.
Important Safety Information about FORTEO
What is the most important information I should know about FORTEO?
WARNING: POTENTIAL RISK OF OSTEOSARCOMA
During the drug testing process, the medicine in FORTEO caused some rats to develop a bone cancer called osteosarcoma. In people, osteosarcoma is a serious but rare cancer. Osteosarcoma has been reported rarely in people who took FORTEO. It is not known if people who take FORTEO have a higher chance of getting osteosarcoma. Before you take FORTEO, you should tell your healthcare provider if you have Paget’s disease of bone, are a child or young adult whose bones are still growing, or have had radiation therapy.
Who should not take FORTEO?
- You should not take FORTEO for more than 2 years over your lifetime.
- Do not use FORTEO if you are allergic to any of the ingredients in FORTEO. Serious allergic reactions have been reported.
What should I tell my healthcare provider before taking FORTEO?
- Before you take FORTEO, you should tell your healthcare provider if you have a bone disease other than osteoporosis, have cancer in your bones, have trouble injecting yourself and do not have someone who can help you, have or have had kidney stones, have or have had too much calcium in your blood, take medications that contain digoxin (Digoxin, Lanoxicaps, Lanoxin), or have any other medical conditions.
- You should also tell your healthcare provider, before you take FORTEO, if you are pregnant or thinking about becoming pregnant. It is not known if FORTEO will harm your unborn baby. If you are breastfeeding or plan to breastfeed, it is not known if FORTEO passes into your breast milk. You and your healthcare provider should decide if you will take FORTEO or breastfeed. You should not do both.
What are the possible side effects of FORTEO?
- FORTEO can cause serious side effects including a decrease in blood pressure when you change positions. Some people feel dizzy, get a fast heartbeat, or feel faint right after the first few doses. This usually happens within 4 hours of taking FORTEO and goes away within a few hours. For the first few doses, take your injections of FORTEO in a place where you can sit or lie down right away if you get these symptoms. If your symptoms get worse or do not go away, stop taking FORTEO and call your healthcare provider. FORTEO may also cause increased calcium in your blood. Tell your healthcare provider if you have nausea, vomiting, constipation, low energy, or muscle weakness. These may be signs there is too much calcium in your blood.
- Common side effects of FORTEO include nausea, joint aches, pain, leg cramps, and injection site reactions including injection site pain, swelling and bruising. These are not all the possible side effects of FORTEO. You are encouraged to report negative side effects of Prescription drugs to the FDA. Visit or call 1-800-FDA-1088.
Additional safety information about FORTEO
How should I store FORTEO?
- Keep your FORTEO Delivery Device in the refrigerator between 36° to 46°F (2° to 8°C). Do not freeze the FORTEO Delivery Device. Do not use FORTEO if it has been frozen. Do not use FORTEO after the expiration date printed on the delivery device and packaging. Throw away the FORTEO Delivery Device after 28 days even if it has medicine in it (see the User Manual).
TE Con ISI 07Mar2011
Please see Important Safety Information, including Boxed Warning regarding osteosarcoma above, full Prescribing Information, and Medication Guide.
See FORTEO Delivery Device User Manual that accompanies the Delivery Device.