Hylan polymers a and b (injection route, intra-articular route)

Synvisc, Synvisc Hylan G-F, Synvisc One

Hylan polymers A and B injection is used to treat knee pain caused by osteoarthritis (OA) in patients who have already been treated with pain relievers (eg, acetaminophen) and other non-drug treatments that did not work well. Hylan polymers A and B is similar to a substance that occurs naturally in the joints. It works by acting like a lubricant and shock absorber in the joints and helps the joints to work properly. This medicine is to be administered only by or under the immediate supervision of your doctor. This product is available in the following dosage forms:

In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered: Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully. Appropriate studies have not been performed on the relationship of age to the effects of hylan polymers A and B injection in children 21 years of age and younger. Safety and efficacy have not been established. No information is available on the relationship of age to the effects of hylan polymers A and B injection in geriatric patients. There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding. Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine. Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco. The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially: