Literary DÃ©jÃ  vu: Leitmotif Defined Have you ever seen the movie The Sixth Sense? If you have, maybe you remember seeing the color red pop up again and again.
Synvisc-One Â® (hylan G-F 20) is an injection that supplements the fluid in your knee to help lubricate and cushion the joint, and can provide up to six months of osteoarthritis knee pain relief.
Comparing Adverse Effects. Understanding the possibility of complications and adverse effects is important in making any treatment decision. Possible side effects of Synvisc-One include: 1  pain, redness, swelling at the injection site. 2  fluid buildup around the joint. 3  rash (seen less frequently).