Talk to your doctor before using hylan G-F 20 if you have an allergy to birds or bird products, feathers, or egg products.
Hylan G-F 20 should not be used if there is an infection or skin disease at the site of injection.
It is not known whether hylan G-F 20 will be harmful to an unborn baby.
It is not known whether hylan G-F 20 will be harmful to a nursing baby.
Hylan G-F 20 is administered by a healthcare professional as an intra-articular (into the joint) injection.
Temporary pain or swelling of the affected joint may occur after injection of hylan G-F 20.
Avoid strenuous activity or prolonged (longer than one hour) weight-bearing activity such as jogging, tennis, or lifting weights for 48 hours following an injection, unless otherwise directed by your doctor.
Contact your doctor if a dose of hylan G-F 20 is missed.
Notify your doctor immediately if you experience a rare but serious allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives) to hylan G-F 20.
Other less serious side effects may also occur. Talk to your doctor if you experience
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temporary pain or swelling of the affected joint;
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rash or bruising at the injection site;
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headache; or
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upset stomach.
Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
Talk to your doctor before using hylan G-F 20 if you have an allergy to birds or bird products, feathers, or egg products.
Avoid strenuous activity or prolonged (longer than one hour) weight-bearing activity such as jogging, tennis, or lifting weights for 48 hours following an injection, unless otherwise directed by your doctor.
It is not known whether other medications will interact with hylan G-F 20. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines, including herbal products during treatment with hylan G-F 20.
An overdose of hylan G-F 20 is unlikely to threaten life. Contact your doctor or seek emergency medical attention if an overdose of hylan G-F 20 is suspected.
