In this Article

• What is hylan G-F 20 (Synvisc)?
• What are the possible side effects of hylan G-F 20 (Synvisc)?
• What is the most important information I should know about hylan G-F 20 (Synvisc)?
• What should I discuss with my health care provider before receiving hylan G-F 20 (Synvisc)?
• How is hylan G-F 20 given (Synvisc)?
• What happens if I miss a dose (Synvisc)?
• What happens if I overdose (Synvisc)?
• What should I avoid after receiving hylan G-F 20 (Synvisc)?
• What other drugs will affect hylan G-F 20 (Synvisc)?
• Where can I get more information?

What should I discuss with my health care provider before receiving hylan G-F 20 (Synvisc)?

You should not receive hylan G-F 20 if you are allergic to it, or if you have an infection in your knee or in the skin around your knee.

To make sure you can safely receive hylan G-F 20, tell your doctor if you have:

• blood clots or circulation problems in your legs; or
• an allergy to birds, feathers, or egg products.

It is not known whether hylan G-F 20 will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication.

It is not known whether hylan G-F 20 passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

Hylan G-F 20 is generally not used in anyone younger than 21 years old.

How is hylan G-F 20 given (Synvisc)?

Hylan G-F 20 is injected directly into your knee joint. A healthcare provider will give you this injection.

Hylan G-F 20 is usually given once every week for 3 weeks. Follow your doctor's dosing instructions very carefully.

To prevent pain and swelling, your doctor may recommend resting your knee or applying ice for a short time after your injection.