Given a passage and a query based on the passage, generate an unambiguous, concise and simple answer to the query from information in the passage. Note that the answer may not be present in exact form.
Q: ORTHOVISC is a non–avian sourced viscosupplementation with lasting efficacy for up to 6 months. ORTHOVISC is derived from bacterial cells. ORTHOVISC is given as an injection into your knee joint (administered by a health professional) once a week for 3-4 consecutive weeks. After 3-4 injections, studies have shown pain relief that lasts for up to 6 months. 1 Although individual results vary, some people feel relief after the first injection. Okay, long enough post, lol. If one of the mods/auth want to modify the name of this topic, I'd prefer to remove the reference to Synvisc and just let this thread talk about the arthritis. It might bring more comment to the discussion.  alt= height=20 /> I'm 54 and been getting synvisc 1 shots once a yr. for the past 5 yrs. with very good results. It was like a miracle to me because it would last for 8 months to a yr. before pain in my right knee would return. I just had a synvisc one injection last week and was surprised because I developed severe pain and hardly can function with knee. Last week received orthovisc and to my surprise doctor administered all three in one shot saying studies have shown no difference in 3 different sessions or all at once (I wasn't going to argue she went to med school not me) so I did it an unfortunately 10 days later I don't feel any better at all it's as if I never went. Synvisc is the only ... Stars: 86 Updated: December 15th,2017 86: December 15th,2017: Synvisc perisynovitis. Synvisc (hylan G-F 20) is a high molecular weight hyaluronan which is manufactured from chicken combs. It is currently one of the options used in the tr... Stars: 29 Updated: December 15th,2017 Debbie's Story. Debbie is a longtime nanny and caregiver. After trying almost everything for her knee pain, Debbie didn’t know where to turn. She and her doctor decided to try ORTHOVISC® High Molecular Weight Hyaluronan for her knee OA. Find out how Debbie was able to get to her passion for helping others. Now he is suggesting Synvisc injections. This is injected once a week for three weeks and is supposed to provide up to 6 months of knee pain relief. I was wondering if anyone has had this treatment and if there are any side effects from it? And does it really work and last as long as they claim????? Thanks, Kikko Yes, Synvisc-One can be repeated safely. In a medical study involving 160 patients, 77 received a second injection of Synvisc-One. When your osteoarthritis knee pain returns, talk to your doctor to see if Synvisc-One is right for you. Bone-on-Bone Arthritis - Synvisc injections. Well, I couldn't be content just with back and neck pain, I had to get my knee into the picture, lol. Just got home from seeing an orthopedic knee specialist who did an xray and showed me the bone-on-bone arthritis in my right knee. Synvisc side effects . I suffered an adverse reaction yesterday to my 3rd injection of Synvisc. My knee was swollen, warm to the touch but NOT any redness. It was painful to walk and would not bend. It is better today and my doctor said that it would eventually subside,... ... Conditions and Diseases - Arthritis Query: how long does synvisc last
A: 
Synvisc lasts for 8 months to a year.